Abstract

We demonstrate broadband THz generation driven by an ultrafast thin-disk laser (TDL) oscillator. By optical rectification of 50-fs pulses at 61 MHz repetition rate in a collinear geometry in crystalline GaP, THz radiation with a central frequency at around 3.4 THz and a spectrum extending from below 1 THz to nearly 7 THz are generated. We realized a spectroscopic characterization of a GaP crystal and a benchmark measurement of the water-vapor absorption spectrum in the THz range. Sub-50-GHz resolution is achieved within a 5 THz bandwidth. Our experiments show the potential of ultrafast TDL oscillators for driving MHz-repetition-rate broadband THz systems.

© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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    [Crossref] [PubMed]
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2018 (3)

T. A. A. Oliver, “Recent advances in multidimensional ultrafast spectroscopy,” R. Soc. Open Sci. 5(1), 171425 (2018).
[Crossref] [PubMed]

C. J. Saraceno, “Mode-locked thin-disk lasers and their potential application for high-power terahertz generation,” J. Opt. 20(4), 044010 (2018).
[Crossref]

J. Xu, B. Globisch, C. Hofer, N. Lilienfein, T. Butler, N. Karpowicz, and I. Pupeza, “Three-octave terahertz pulses from optical rectification of 20-fs, 1-μm, 78-MHz pulses in GaP,” J. Phys. At. Mol. Opt. Phys. 51(15), 154002 (2018).
[Crossref]

2017 (2)

2016 (3)

M. Müller, M. Kienel, A. Klenke, T. Gottschall, E. Shestaev, M. Plötner, J. Limpert, and A. Tünnermann, “1 kW 1 mJ eight-channel ultrafast fiber laser,” Opt. Lett. 41(15), 3439–3442 (2016).
[Crossref] [PubMed]

J. Hamazaki, K. Furusawa, N. Sekine, A. Kasamatsu, and I. Hosako, “Effects of chirp of pump pulses on broadband terahertz pulse spectra generated by optical rectification,” Jpn. J. Appl. Phys. 55(11), 110305 (2016).
[Crossref]

T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
[Crossref]

2015 (4)

Y. Ochi, K. Nagashima, M. Maruyama, M. Tsubouchi, F. Yoshida, N. Kohno, M. Mori, and A. Sugiyama, “Yb:YAG thin-disk chirped pulse amplification laser system for intense terahertz pulse generation,” Opt. Express 23(11), 15057–15064 (2015).
[Crossref] [PubMed]

J.-P. Negel, A. Loescher, A. Voss, D. Bauer, D. Sutter, A. Killi, M. A. Ahmed, and T. Graf, “Ultrafast thin-disk multipass laser amplifier delivering 1.4 kW (4.7 mJ, 1030 nm) average power converted to 820 W at 515 nm and 234 W at 343 nm,” Opt. Express 23(16), 21064–21077 (2015).
[Crossref] [PubMed]

C. Kränkel, “Rare-earth-doped sesquioxides for diode-pumped high-power lasers in the 1-, 2-, and 3-µm spectral range,” IEEE J. Sel. Top. Quantum Electron. 21(1), 250–262 (2015).
[Crossref]

C. J. Saraceno, F. Emaury, C. Schriber, A. Diebold, M. Hoffmann, M. Golling, T. Südmeyer, and U. Keller, “Toward millijoule-level high-power ultrafast thin-disk oscillators,” IEEE J. Sel. Top. Quantum Electron. 21(1), 106–123 (2015).
[Crossref]

2014 (1)

2013 (1)

J. Li, L. Chai, J. Shi, F. Liu, B. Liu, B. Xu, M. Hu, Y. Li, Q. Xing, C. Wang, A. B. Fedotov, and A. M. Zheltikov, “Generation of 0.3 mW high-power broadband terahertz pulses from GaP crystal pumped by negatively chirped femtosecond laser pulses,” Laser Phys. Lett. 10(12), 125404 (2013).
[Crossref]

2012 (4)

I. D. Vugmeyster, J. F. Whitaker, and R. Merlin, “GaP based terahertz time-domain spectrometer optimized for the 5-8 THz range,” Appl. Phys. Lett. 101(18), 181101 (2012).
[Crossref]

C. J. Saraceno, O. H. Heckl, C. R. E. Baer, C. Schriber, M. Golling, K. Beil, C. Kränkel, T. Südmeyer, G. Huber, and U. Keller, “Sub-100 femtosecond pulses from a SESAM modelocked thin disk laser,” Appl. Phys. B 106(3), 559–562 (2012).
[Crossref]

C. J. Saraceno, F. Emaury, O. H. Heckl, C. R. E. Baer, M. Hoffmann, C. Schriber, M. Golling, T. Südmeyer, and U. Keller, “275 W average output power from a femtosecond thin disk oscillator operated in a vacuum environment,” Opt. Express 20(21), 23535–23541 (2012).
[Crossref] [PubMed]

B. Clough, J. Dai, and X.-C. Zhang, “Laser air photonics: beyond the terahertz gap,” Mater. Today 15(1), 50–58 (2012).
[Crossref]

2011 (2)

Y. Li, F. Liu, Y. Li, L. Chai, Q. Xing, M. Hu, and C. Wang, “Experimental study on GaP surface damage threshold induced by a high repetition rate femtosecond laser,” Appl. Opt. 50(13), 1958–1962 (2011).
[Crossref] [PubMed]

P. U. Jepsen, D. G. Cooke, and M. Koch, “Terahertz spectroscopy and imaging – Modern techniques and applications,” Laser Photonics Rev. 5(1), 124–166 (2011).
[Crossref]

2010 (2)

2008 (1)

S. Casalbuoni, H. Schlarb, B. Schmidt, P. Schmüser, B. Steffen, and A. Winter, “Numerical studies on the electro-optic detection of femtosecond electron bunches,” Phys. Rev. Spec. Top. Accel. Beams 11(7), 072802 (2008).
[Crossref]

2007 (2)

2006 (1)

2002 (1)

B. Ferguson and X.-C. Zhang, “Materials for terahertz science and technology,” Nat. Mater. 1(1), 26–33 (2002).
[Crossref] [PubMed]

1999 (1)

A. Leitenstorfer, S. Hunsche, J. Shah, M. C. Nuss, and W. H. Knox, “Detectors and sources for ultrabroadband electro-optic sampling: experiment and theory,” Appl. Phys. Lett. 74(11), 1516–1518 (1999).
[Crossref]

1997 (2)

Q. Wu and X.-C. Zhang, “Free-space electro-optics sampling of mid-infrared pulses,” Appl. Phys. Lett. 71(10), 1285–1286 (1997).
[Crossref]

Q. Wu and X.-C. Zhang, “7 terahertz broadband GaP electro-optic sensor,” Appl. Phys. Lett. 70(14), 1784–1786 (1997).
[Crossref]

1996 (1)

A. Nahata, D. H. Auston, T. F. Heinz, and C. Wu, “Coherent detection of freely propagating terahertz radiation by electro‐optic sampling,” Appl. Phys. Lett. 68(2), 150–152 (1996).
[Crossref]

1995 (1)

Q. Wu and X.-C. Zhang, “Free‐space electro‐optic sampling of terahertz beams,” Appl. Phys. Lett. 67(24), 3523–3525 (1995).
[Crossref]

1992 (1)

X.-C. Zhang, X. F. Ma, Y. Jin, T.-M. Lu, E. P. Boden, P. D. Phelps, K. R. Stewart, and C. P. Yakymyshyn, “Terahertz optical rectification from a nonlinear organic crystal,” Appl. Phys. Lett. 61(26), 3080–3082 (1992).
[Crossref]

1990 (1)

1989 (1)

1986 (1)

K. P. Cheung and D. H. Auston, “A novel technique for measuring far-infrared absorption and dispersion,” Infrared Phys. 26(1), 23–27 (1986).
[Crossref]

1971 (1)

1965 (1)

W. L. Bond, “Measurement of the refractive indices of several crystals,” J. Appl. Phys. 36(5), 1674–1677 (1965).
[Crossref]

Ahmed, M. A.

Alismail, A.

Almási, G.

Apolonskiy, A.

Auston, D. H.

A. Nahata, D. H. Auston, T. F. Heinz, and C. Wu, “Coherent detection of freely propagating terahertz radiation by electro‐optic sampling,” Appl. Phys. Lett. 68(2), 150–152 (1996).
[Crossref]

K. P. Cheung and D. H. Auston, “A novel technique for measuring far-infrared absorption and dispersion,” Infrared Phys. 26(1), 23–27 (1986).
[Crossref]

Baer, C. R. E.

C. J. Saraceno, O. H. Heckl, C. R. E. Baer, C. Schriber, M. Golling, K. Beil, C. Kränkel, T. Südmeyer, G. Huber, and U. Keller, “Sub-100 femtosecond pulses from a SESAM modelocked thin disk laser,” Appl. Phys. B 106(3), 559–562 (2012).
[Crossref]

C. J. Saraceno, F. Emaury, O. H. Heckl, C. R. E. Baer, M. Hoffmann, C. Schriber, M. Golling, T. Südmeyer, and U. Keller, “275 W average output power from a femtosecond thin disk oscillator operated in a vacuum environment,” Opt. Express 20(21), 23535–23541 (2012).
[Crossref] [PubMed]

Barros, H. G.

Bauer, D.

Beaurepaire, E.

T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
[Crossref]

Beil, K.

C. J. Saraceno, O. H. Heckl, C. R. E. Baer, C. Schriber, M. Golling, K. Beil, C. Kränkel, T. Südmeyer, G. Huber, and U. Keller, “Sub-100 femtosecond pulses from a SESAM modelocked thin disk laser,” Appl. Phys. B 106(3), 559–562 (2012).
[Crossref]

Boden, E. P.

X.-C. Zhang, X. F. Ma, Y. Jin, T.-M. Lu, E. P. Boden, P. D. Phelps, K. R. Stewart, and C. P. Yakymyshyn, “Terahertz optical rectification from a nonlinear organic crystal,” Appl. Phys. Lett. 61(26), 3080–3082 (1992).
[Crossref]

Bond, W. L.

W. L. Bond, “Measurement of the refractive indices of several crystals,” J. Appl. Phys. 36(5), 1674–1677 (1965).
[Crossref]

Braun, L.

T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
[Crossref]

Brons, J.

Butler, T.

J. Xu, B. Globisch, C. Hofer, N. Lilienfein, T. Butler, N. Karpowicz, and I. Pupeza, “Three-octave terahertz pulses from optical rectification of 20-fs, 1-μm, 78-MHz pulses in GaP,” J. Phys. At. Mol. Opt. Phys. 51(15), 154002 (2018).
[Crossref]

Casalbuoni, S.

S. Casalbuoni, H. Schlarb, B. Schmidt, P. Schmüser, B. Steffen, and A. Winter, “Numerical studies on the electro-optic detection of femtosecond electron bunches,” Phys. Rev. Spec. Top. Accel. Beams 11(7), 072802 (2008).
[Crossref]

Chai, L.

J. Li, L. Chai, J. Shi, F. Liu, B. Liu, B. Xu, M. Hu, Y. Li, Q. Xing, C. Wang, A. B. Fedotov, and A. M. Zheltikov, “Generation of 0.3 mW high-power broadband terahertz pulses from GaP crystal pumped by negatively chirped femtosecond laser pulses,” Laser Phys. Lett. 10(12), 125404 (2013).
[Crossref]

Y. Li, F. Liu, Y. Li, L. Chai, Q. Xing, M. Hu, and C. Wang, “Experimental study on GaP surface damage threshold induced by a high repetition rate femtosecond laser,” Appl. Opt. 50(13), 1958–1962 (2011).
[Crossref] [PubMed]

Chang, G.

Cheung, K. P.

K. P. Cheung and D. H. Auston, “A novel technique for measuring far-infrared absorption and dispersion,” Infrared Phys. 26(1), 23–27 (1986).
[Crossref]

Clough, B.

B. Clough, J. Dai, and X.-C. Zhang, “Laser air photonics: beyond the terahertz gap,” Mater. Today 15(1), 50–58 (2012).
[Crossref]

Coleman, P. D.

Cooke, D. G.

P. U. Jepsen, D. G. Cooke, and M. Koch, “Terahertz spectroscopy and imaging – Modern techniques and applications,” Laser Photonics Rev. 5(1), 124–166 (2011).
[Crossref]

Dai, J.

B. Clough, J. Dai, and X.-C. Zhang, “Laser air photonics: beyond the terahertz gap,” Mater. Today 15(1), 50–58 (2012).
[Crossref]

Deppe, B.

Diebold, A.

C. J. Saraceno, F. Emaury, C. Schriber, A. Diebold, M. Hoffmann, M. Golling, T. Südmeyer, and U. Keller, “Toward millijoule-level high-power ultrafast thin-disk oscillators,” IEEE J. Sel. Top. Quantum Electron. 21(1), 106–123 (2015).
[Crossref]

Divin, C. J.

Emaury, F.

C. J. Saraceno, F. Emaury, C. Schriber, A. Diebold, M. Hoffmann, M. Golling, T. Südmeyer, and U. Keller, “Toward millijoule-level high-power ultrafast thin-disk oscillators,” IEEE J. Sel. Top. Quantum Electron. 21(1), 106–123 (2015).
[Crossref]

C. J. Saraceno, F. Emaury, O. H. Heckl, C. R. E. Baer, M. Hoffmann, C. Schriber, M. Golling, T. Südmeyer, and U. Keller, “275 W average output power from a femtosecond thin disk oscillator operated in a vacuum environment,” Opt. Express 20(21), 23535–23541 (2012).
[Crossref] [PubMed]

Exter, M.

Fattahi, H.

Fattinger, C.

Fedotov, A. B.

J. Li, L. Chai, J. Shi, F. Liu, B. Liu, B. Xu, M. Hu, Y. Li, Q. Xing, C. Wang, A. B. Fedotov, and A. M. Zheltikov, “Generation of 0.3 mW high-power broadband terahertz pulses from GaP crystal pumped by negatively chirped femtosecond laser pulses,” Laser Phys. Lett. 10(12), 125404 (2013).
[Crossref]

Fedulova, E.

Ferguson, B.

B. Ferguson and X.-C. Zhang, “Materials for terahertz science and technology,” Nat. Mater. 1(1), 26–33 (2002).
[Crossref] [PubMed]

Freimuth, F.

T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
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Fülöp, J. A.

Furusawa, K.

J. Hamazaki, K. Furusawa, N. Sekine, A. Kasamatsu, and I. Hosako, “Effects of chirp of pump pulses on broadband terahertz pulse spectra generated by optical rectification,” Jpn. J. Appl. Phys. 55(11), 110305 (2016).
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Globisch, B.

J. Xu, B. Globisch, C. Hofer, N. Lilienfein, T. Butler, N. Karpowicz, and I. Pupeza, “Three-octave terahertz pulses from optical rectification of 20-fs, 1-μm, 78-MHz pulses in GaP,” J. Phys. At. Mol. Opt. Phys. 51(15), 154002 (2018).
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Golling, M.

C. J. Saraceno, F. Emaury, C. Schriber, A. Diebold, M. Hoffmann, M. Golling, T. Südmeyer, and U. Keller, “Toward millijoule-level high-power ultrafast thin-disk oscillators,” IEEE J. Sel. Top. Quantum Electron. 21(1), 106–123 (2015).
[Crossref]

C. J. Saraceno, O. H. Heckl, C. R. E. Baer, C. Schriber, M. Golling, K. Beil, C. Kränkel, T. Südmeyer, G. Huber, and U. Keller, “Sub-100 femtosecond pulses from a SESAM modelocked thin disk laser,” Appl. Phys. B 106(3), 559–562 (2012).
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C. J. Saraceno, F. Emaury, O. H. Heckl, C. R. E. Baer, M. Hoffmann, C. Schriber, M. Golling, T. Südmeyer, and U. Keller, “275 W average output power from a femtosecond thin disk oscillator operated in a vacuum environment,” Opt. Express 20(21), 23535–23541 (2012).
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Gottschall, T.

Graf, T.

Grischkowsky, D.

Hamazaki, J.

J. Hamazaki, K. Furusawa, N. Sekine, A. Kasamatsu, and I. Hosako, “Effects of chirp of pump pulses on broadband terahertz pulse spectra generated by optical rectification,” Jpn. J. Appl. Phys. 55(11), 110305 (2016).
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T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
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T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
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Heckl, O. H.

C. J. Saraceno, O. H. Heckl, C. R. E. Baer, C. Schriber, M. Golling, K. Beil, C. Kränkel, T. Südmeyer, G. Huber, and U. Keller, “Sub-100 femtosecond pulses from a SESAM modelocked thin disk laser,” Appl. Phys. B 106(3), 559–562 (2012).
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C. J. Saraceno, F. Emaury, O. H. Heckl, C. R. E. Baer, M. Hoffmann, C. Schriber, M. Golling, T. Südmeyer, and U. Keller, “275 W average output power from a femtosecond thin disk oscillator operated in a vacuum environment,” Opt. Express 20(21), 23535–23541 (2012).
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A. Nahata, D. H. Auston, T. F. Heinz, and C. Wu, “Coherent detection of freely propagating terahertz radiation by electro‐optic sampling,” Appl. Phys. Lett. 68(2), 150–152 (1996).
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T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
[Crossref]

Hofer, C.

J. Xu, B. Globisch, C. Hofer, N. Lilienfein, T. Butler, N. Karpowicz, and I. Pupeza, “Three-octave terahertz pulses from optical rectification of 20-fs, 1-μm, 78-MHz pulses in GaP,” J. Phys. At. Mol. Opt. Phys. 51(15), 154002 (2018).
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Hoffmann, M.

C. J. Saraceno, F. Emaury, C. Schriber, A. Diebold, M. Hoffmann, M. Golling, T. Südmeyer, and U. Keller, “Toward millijoule-level high-power ultrafast thin-disk oscillators,” IEEE J. Sel. Top. Quantum Electron. 21(1), 106–123 (2015).
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C. J. Saraceno, F. Emaury, O. H. Heckl, C. R. E. Baer, M. Hoffmann, C. Schriber, M. Golling, T. Südmeyer, and U. Keller, “275 W average output power from a femtosecond thin disk oscillator operated in a vacuum environment,” Opt. Express 20(21), 23535–23541 (2012).
[Crossref] [PubMed]

Hosako, I.

J. Hamazaki, K. Furusawa, N. Sekine, A. Kasamatsu, and I. Hosako, “Effects of chirp of pump pulses on broadband terahertz pulse spectra generated by optical rectification,” Jpn. J. Appl. Phys. 55(11), 110305 (2016).
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J. Li, L. Chai, J. Shi, F. Liu, B. Liu, B. Xu, M. Hu, Y. Li, Q. Xing, C. Wang, A. B. Fedotov, and A. M. Zheltikov, “Generation of 0.3 mW high-power broadband terahertz pulses from GaP crystal pumped by negatively chirped femtosecond laser pulses,” Laser Phys. Lett. 10(12), 125404 (2013).
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Y. Li, F. Liu, Y. Li, L. Chai, Q. Xing, M. Hu, and C. Wang, “Experimental study on GaP surface damage threshold induced by a high repetition rate femtosecond laser,” Appl. Opt. 50(13), 1958–1962 (2011).
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C. J. Saraceno, O. H. Heckl, C. R. E. Baer, C. Schriber, M. Golling, K. Beil, C. Kränkel, T. Südmeyer, G. Huber, and U. Keller, “Sub-100 femtosecond pulses from a SESAM modelocked thin disk laser,” Appl. Phys. B 106(3), 559–562 (2012).
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A. Leitenstorfer, S. Hunsche, J. Shah, M. C. Nuss, and W. H. Knox, “Detectors and sources for ultrabroadband electro-optic sampling: experiment and theory,” Appl. Phys. Lett. 74(11), 1516–1518 (1999).
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T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
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T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
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P. U. Jepsen, D. G. Cooke, and M. Koch, “Terahertz spectroscopy and imaging – Modern techniques and applications,” Laser Photonics Rev. 5(1), 124–166 (2011).
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T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
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Kampfrath, T.

T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
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J. Xu, B. Globisch, C. Hofer, N. Lilienfein, T. Butler, N. Karpowicz, and I. Pupeza, “Three-octave terahertz pulses from optical rectification of 20-fs, 1-μm, 78-MHz pulses in GaP,” J. Phys. At. Mol. Opt. Phys. 51(15), 154002 (2018).
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J. Hamazaki, K. Furusawa, N. Sekine, A. Kasamatsu, and I. Hosako, “Effects of chirp of pump pulses on broadband terahertz pulse spectra generated by optical rectification,” Jpn. J. Appl. Phys. 55(11), 110305 (2016).
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Keiding, S.

Keller, U.

C. J. Saraceno, F. Emaury, C. Schriber, A. Diebold, M. Hoffmann, M. Golling, T. Südmeyer, and U. Keller, “Toward millijoule-level high-power ultrafast thin-disk oscillators,” IEEE J. Sel. Top. Quantum Electron. 21(1), 106–123 (2015).
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C. J. Saraceno, O. H. Heckl, C. R. E. Baer, C. Schriber, M. Golling, K. Beil, C. Kränkel, T. Südmeyer, G. Huber, and U. Keller, “Sub-100 femtosecond pulses from a SESAM modelocked thin disk laser,” Appl. Phys. B 106(3), 559–562 (2012).
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C. J. Saraceno, F. Emaury, O. H. Heckl, C. R. E. Baer, M. Hoffmann, C. Schriber, M. Golling, T. Südmeyer, and U. Keller, “275 W average output power from a femtosecond thin disk oscillator operated in a vacuum environment,” Opt. Express 20(21), 23535–23541 (2012).
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T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
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Knox, W. H.

A. Leitenstorfer, S. Hunsche, J. Shah, M. C. Nuss, and W. H. Knox, “Detectors and sources for ultrabroadband electro-optic sampling: experiment and theory,” Appl. Phys. Lett. 74(11), 1516–1518 (1999).
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Koch, M.

P. U. Jepsen, D. G. Cooke, and M. Koch, “Terahertz spectroscopy and imaging – Modern techniques and applications,” Laser Photonics Rev. 5(1), 124–166 (2011).
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Kränkel, C.

C. Paradis, N. Modsching, V. J. Wittwer, B. Deppe, C. Kränkel, and T. Südmeyer, “Generation of 35-fs pulses from a Kerr lens mode-locked Yb:Lu2O3 thin-disk laser,” Opt. Express 25(13), 14918–14925 (2017).
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C. J. Saraceno, O. H. Heckl, C. R. E. Baer, C. Schriber, M. Golling, K. Beil, C. Kränkel, T. Südmeyer, G. Huber, and U. Keller, “Sub-100 femtosecond pulses from a SESAM modelocked thin disk laser,” Appl. Phys. B 106(3), 559–562 (2012).
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Kronenberg, A.

T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
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A. Leitenstorfer, S. Hunsche, J. Shah, M. C. Nuss, and W. H. Knox, “Detectors and sources for ultrabroadband electro-optic sampling: experiment and theory,” Appl. Phys. Lett. 74(11), 1516–1518 (1999).
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J. Li, L. Chai, J. Shi, F. Liu, B. Liu, B. Xu, M. Hu, Y. Li, Q. Xing, C. Wang, A. B. Fedotov, and A. M. Zheltikov, “Generation of 0.3 mW high-power broadband terahertz pulses from GaP crystal pumped by negatively chirped femtosecond laser pulses,” Laser Phys. Lett. 10(12), 125404 (2013).
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Lilienfein, N.

J. Xu, B. Globisch, C. Hofer, N. Lilienfein, T. Butler, N. Karpowicz, and I. Pupeza, “Three-octave terahertz pulses from optical rectification of 20-fs, 1-μm, 78-MHz pulses in GaP,” J. Phys. At. Mol. Opt. Phys. 51(15), 154002 (2018).
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Liu, B.

J. Li, L. Chai, J. Shi, F. Liu, B. Liu, B. Xu, M. Hu, Y. Li, Q. Xing, C. Wang, A. B. Fedotov, and A. M. Zheltikov, “Generation of 0.3 mW high-power broadband terahertz pulses from GaP crystal pumped by negatively chirped femtosecond laser pulses,” Laser Phys. Lett. 10(12), 125404 (2013).
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Liu, F.

J. Li, L. Chai, J. Shi, F. Liu, B. Liu, B. Xu, M. Hu, Y. Li, Q. Xing, C. Wang, A. B. Fedotov, and A. M. Zheltikov, “Generation of 0.3 mW high-power broadband terahertz pulses from GaP crystal pumped by negatively chirped femtosecond laser pulses,” Laser Phys. Lett. 10(12), 125404 (2013).
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Y. Li, F. Liu, Y. Li, L. Chai, Q. Xing, M. Hu, and C. Wang, “Experimental study on GaP surface damage threshold induced by a high repetition rate femtosecond laser,” Appl. Opt. 50(13), 1958–1962 (2011).
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Lu, T.-M.

X.-C. Zhang, X. F. Ma, Y. Jin, T.-M. Lu, E. P. Boden, P. D. Phelps, K. R. Stewart, and C. P. Yakymyshyn, “Terahertz optical rectification from a nonlinear organic crystal,” Appl. Phys. Lett. 61(26), 3080–3082 (1992).
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Ma, X. F.

X.-C. Zhang, X. F. Ma, Y. Jin, T.-M. Lu, E. P. Boden, P. D. Phelps, K. R. Stewart, and C. P. Yakymyshyn, “Terahertz optical rectification from a nonlinear organic crystal,” Appl. Phys. Lett. 61(26), 3080–3082 (1992).
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Maldonado, P.

T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
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Martens, U.

T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
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T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
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Müller, M.

Münzenberg, M.

T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
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Nahata, A.

A. Nahata, D. H. Auston, T. F. Heinz, and C. Wu, “Coherent detection of freely propagating terahertz radiation by electro‐optic sampling,” Appl. Phys. Lett. 68(2), 150–152 (1996).
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Negel, J.-P.

Norris, T. B.

Nubbemeyer, T.

Nuss, M. C.

A. Leitenstorfer, S. Hunsche, J. Shah, M. C. Nuss, and W. H. Knox, “Detectors and sources for ultrabroadband electro-optic sampling: experiment and theory,” Appl. Phys. Lett. 74(11), 1516–1518 (1999).
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T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
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Paradis, C.

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Pupeza, I.

J. Xu, B. Globisch, C. Hofer, N. Lilienfein, T. Butler, N. Karpowicz, and I. Pupeza, “Three-octave terahertz pulses from optical rectification of 20-fs, 1-μm, 78-MHz pulses in GaP,” J. Phys. At. Mol. Opt. Phys. 51(15), 154002 (2018).
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C. J. Saraceno, F. Emaury, C. Schriber, A. Diebold, M. Hoffmann, M. Golling, T. Südmeyer, and U. Keller, “Toward millijoule-level high-power ultrafast thin-disk oscillators,” IEEE J. Sel. Top. Quantum Electron. 21(1), 106–123 (2015).
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C. J. Saraceno, O. H. Heckl, C. R. E. Baer, C. Schriber, M. Golling, K. Beil, C. Kränkel, T. Südmeyer, G. Huber, and U. Keller, “Sub-100 femtosecond pulses from a SESAM modelocked thin disk laser,” Appl. Phys. B 106(3), 559–562 (2012).
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C. J. Saraceno, F. Emaury, O. H. Heckl, C. R. E. Baer, M. Hoffmann, C. Schriber, M. Golling, T. Südmeyer, and U. Keller, “275 W average output power from a femtosecond thin disk oscillator operated in a vacuum environment,” Opt. Express 20(21), 23535–23541 (2012).
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Schriber, C.

C. J. Saraceno, F. Emaury, C. Schriber, A. Diebold, M. Hoffmann, M. Golling, T. Südmeyer, and U. Keller, “Toward millijoule-level high-power ultrafast thin-disk oscillators,” IEEE J. Sel. Top. Quantum Electron. 21(1), 106–123 (2015).
[Crossref]

C. J. Saraceno, O. H. Heckl, C. R. E. Baer, C. Schriber, M. Golling, K. Beil, C. Kränkel, T. Südmeyer, G. Huber, and U. Keller, “Sub-100 femtosecond pulses from a SESAM modelocked thin disk laser,” Appl. Phys. B 106(3), 559–562 (2012).
[Crossref]

C. J. Saraceno, F. Emaury, O. H. Heckl, C. R. E. Baer, M. Hoffmann, C. Schriber, M. Golling, T. Südmeyer, and U. Keller, “275 W average output power from a femtosecond thin disk oscillator operated in a vacuum environment,” Opt. Express 20(21), 23535–23541 (2012).
[Crossref] [PubMed]

Seifert, T.

T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
[Crossref]

Sekine, N.

J. Hamazaki, K. Furusawa, N. Sekine, A. Kasamatsu, and I. Hosako, “Effects of chirp of pump pulses on broadband terahertz pulse spectra generated by optical rectification,” Jpn. J. Appl. Phys. 55(11), 110305 (2016).
[Crossref]

Shah, J.

A. Leitenstorfer, S. Hunsche, J. Shah, M. C. Nuss, and W. H. Knox, “Detectors and sources for ultrabroadband electro-optic sampling: experiment and theory,” Appl. Phys. Lett. 74(11), 1516–1518 (1999).
[Crossref]

Shestaev, E.

Shi, J.

J. Li, L. Chai, J. Shi, F. Liu, B. Liu, B. Xu, M. Hu, Y. Li, Q. Xing, C. Wang, A. B. Fedotov, and A. M. Zheltikov, “Generation of 0.3 mW high-power broadband terahertz pulses from GaP crystal pumped by negatively chirped femtosecond laser pulses,” Laser Phys. Lett. 10(12), 125404 (2013).
[Crossref]

Steffen, B.

S. Casalbuoni, H. Schlarb, B. Schmidt, P. Schmüser, B. Steffen, and A. Winter, “Numerical studies on the electro-optic detection of femtosecond electron bunches,” Phys. Rev. Spec. Top. Accel. Beams 11(7), 072802 (2008).
[Crossref]

Stewart, K. R.

X.-C. Zhang, X. F. Ma, Y. Jin, T.-M. Lu, E. P. Boden, P. D. Phelps, K. R. Stewart, and C. P. Yakymyshyn, “Terahertz optical rectification from a nonlinear organic crystal,” Appl. Phys. Lett. 61(26), 3080–3082 (1992).
[Crossref]

Südmeyer, T.

C. Paradis, N. Modsching, V. J. Wittwer, B. Deppe, C. Kränkel, and T. Südmeyer, “Generation of 35-fs pulses from a Kerr lens mode-locked Yb:Lu2O3 thin-disk laser,” Opt. Express 25(13), 14918–14925 (2017).
[Crossref] [PubMed]

C. J. Saraceno, F. Emaury, C. Schriber, A. Diebold, M. Hoffmann, M. Golling, T. Südmeyer, and U. Keller, “Toward millijoule-level high-power ultrafast thin-disk oscillators,” IEEE J. Sel. Top. Quantum Electron. 21(1), 106–123 (2015).
[Crossref]

C. J. Saraceno, O. H. Heckl, C. R. E. Baer, C. Schriber, M. Golling, K. Beil, C. Kränkel, T. Südmeyer, G. Huber, and U. Keller, “Sub-100 femtosecond pulses from a SESAM modelocked thin disk laser,” Appl. Phys. B 106(3), 559–562 (2012).
[Crossref]

C. J. Saraceno, F. Emaury, O. H. Heckl, C. R. E. Baer, M. Hoffmann, C. Schriber, M. Golling, T. Südmeyer, and U. Keller, “275 W average output power from a femtosecond thin disk oscillator operated in a vacuum environment,” Opt. Express 20(21), 23535–23541 (2012).
[Crossref] [PubMed]

Sugiyama, A.

Sutter, D.

Taylor, A. J.

Tsubouchi, M.

Tünnermann, A.

Turchinovich, D.

T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
[Crossref]

Ueffing, M.

van Exter, M.

Voss, A.

Vugmeyster, I. D.

I. D. Vugmeyster, J. F. Whitaker, and R. Merlin, “GaP based terahertz time-domain spectrometer optimized for the 5-8 THz range,” Appl. Phys. Lett. 101(18), 181101 (2012).
[Crossref]

Wang, C.

J. Li, L. Chai, J. Shi, F. Liu, B. Liu, B. Xu, M. Hu, Y. Li, Q. Xing, C. Wang, A. B. Fedotov, and A. M. Zheltikov, “Generation of 0.3 mW high-power broadband terahertz pulses from GaP crystal pumped by negatively chirped femtosecond laser pulses,” Laser Phys. Lett. 10(12), 125404 (2013).
[Crossref]

Y. Li, F. Liu, Y. Li, L. Chai, Q. Xing, M. Hu, and C. Wang, “Experimental study on GaP surface damage threshold induced by a high repetition rate femtosecond laser,” Appl. Opt. 50(13), 1958–1962 (2011).
[Crossref] [PubMed]

Weitenberg, J.

Whitaker, J. F.

I. D. Vugmeyster, J. F. Whitaker, and R. Merlin, “GaP based terahertz time-domain spectrometer optimized for the 5-8 THz range,” Appl. Phys. Lett. 101(18), 181101 (2012).
[Crossref]

Williamson, S. L.

Winter, A.

S. Casalbuoni, H. Schlarb, B. Schmidt, P. Schmüser, B. Steffen, and A. Winter, “Numerical studies on the electro-optic detection of femtosecond electron bunches,” Phys. Rev. Spec. Top. Accel. Beams 11(7), 072802 (2008).
[Crossref]

Wittwer, V. J.

Wolf, M.

T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
[Crossref]

Wu, C.

A. Nahata, D. H. Auston, T. F. Heinz, and C. Wu, “Coherent detection of freely propagating terahertz radiation by electro‐optic sampling,” Appl. Phys. Lett. 68(2), 150–152 (1996).
[Crossref]

Wu, Q.

Q. Wu and X.-C. Zhang, “Free-space electro-optics sampling of mid-infrared pulses,” Appl. Phys. Lett. 71(10), 1285–1286 (1997).
[Crossref]

Q. Wu and X.-C. Zhang, “7 terahertz broadband GaP electro-optic sensor,” Appl. Phys. Lett. 70(14), 1784–1786 (1997).
[Crossref]

Q. Wu and X.-C. Zhang, “Free‐space electro‐optic sampling of terahertz beams,” Appl. Phys. Lett. 67(24), 3523–3525 (1995).
[Crossref]

Xing, Q.

J. Li, L. Chai, J. Shi, F. Liu, B. Liu, B. Xu, M. Hu, Y. Li, Q. Xing, C. Wang, A. B. Fedotov, and A. M. Zheltikov, “Generation of 0.3 mW high-power broadband terahertz pulses from GaP crystal pumped by negatively chirped femtosecond laser pulses,” Laser Phys. Lett. 10(12), 125404 (2013).
[Crossref]

Y. Li, F. Liu, Y. Li, L. Chai, Q. Xing, M. Hu, and C. Wang, “Experimental study on GaP surface damage threshold induced by a high repetition rate femtosecond laser,” Appl. Opt. 50(13), 1958–1962 (2011).
[Crossref] [PubMed]

Xu, B.

J. Li, L. Chai, J. Shi, F. Liu, B. Liu, B. Xu, M. Hu, Y. Li, Q. Xing, C. Wang, A. B. Fedotov, and A. M. Zheltikov, “Generation of 0.3 mW high-power broadband terahertz pulses from GaP crystal pumped by negatively chirped femtosecond laser pulses,” Laser Phys. Lett. 10(12), 125404 (2013).
[Crossref]

Xu, J.

J. Xu, B. Globisch, C. Hofer, N. Lilienfein, T. Butler, N. Karpowicz, and I. Pupeza, “Three-octave terahertz pulses from optical rectification of 20-fs, 1-μm, 78-MHz pulses in GaP,” J. Phys. At. Mol. Opt. Phys. 51(15), 154002 (2018).
[Crossref]

Yakymyshyn, C. P.

X.-C. Zhang, X. F. Ma, Y. Jin, T.-M. Lu, E. P. Boden, P. D. Phelps, K. R. Stewart, and C. P. Yakymyshyn, “Terahertz optical rectification from a nonlinear organic crystal,” Appl. Phys. Lett. 61(26), 3080–3082 (1992).
[Crossref]

Yoshida, F.

Zhang, X.-C.

B. Clough, J. Dai, and X.-C. Zhang, “Laser air photonics: beyond the terahertz gap,” Mater. Today 15(1), 50–58 (2012).
[Crossref]

B. Ferguson and X.-C. Zhang, “Materials for terahertz science and technology,” Nat. Mater. 1(1), 26–33 (2002).
[Crossref] [PubMed]

Q. Wu and X.-C. Zhang, “7 terahertz broadband GaP electro-optic sensor,” Appl. Phys. Lett. 70(14), 1784–1786 (1997).
[Crossref]

Q. Wu and X.-C. Zhang, “Free-space electro-optics sampling of mid-infrared pulses,” Appl. Phys. Lett. 71(10), 1285–1286 (1997).
[Crossref]

Q. Wu and X.-C. Zhang, “Free‐space electro‐optic sampling of terahertz beams,” Appl. Phys. Lett. 67(24), 3523–3525 (1995).
[Crossref]

X.-C. Zhang, X. F. Ma, Y. Jin, T.-M. Lu, E. P. Boden, P. D. Phelps, K. R. Stewart, and C. P. Yakymyshyn, “Terahertz optical rectification from a nonlinear organic crystal,” Appl. Phys. Lett. 61(26), 3080–3082 (1992).
[Crossref]

Zheltikov, A. M.

J. Li, L. Chai, J. Shi, F. Liu, B. Liu, B. Xu, M. Hu, Y. Li, Q. Xing, C. Wang, A. B. Fedotov, and A. M. Zheltikov, “Generation of 0.3 mW high-power broadband terahertz pulses from GaP crystal pumped by negatively chirped femtosecond laser pulses,” Laser Phys. Lett. 10(12), 125404 (2013).
[Crossref]

Appl. Opt. (2)

Appl. Phys. B (1)

C. J. Saraceno, O. H. Heckl, C. R. E. Baer, C. Schriber, M. Golling, K. Beil, C. Kränkel, T. Südmeyer, G. Huber, and U. Keller, “Sub-100 femtosecond pulses from a SESAM modelocked thin disk laser,” Appl. Phys. B 106(3), 559–562 (2012).
[Crossref]

Appl. Phys. Lett. (7)

Q. Wu and X.-C. Zhang, “Free‐space electro‐optic sampling of terahertz beams,” Appl. Phys. Lett. 67(24), 3523–3525 (1995).
[Crossref]

A. Nahata, D. H. Auston, T. F. Heinz, and C. Wu, “Coherent detection of freely propagating terahertz radiation by electro‐optic sampling,” Appl. Phys. Lett. 68(2), 150–152 (1996).
[Crossref]

Q. Wu and X.-C. Zhang, “7 terahertz broadband GaP electro-optic sensor,” Appl. Phys. Lett. 70(14), 1784–1786 (1997).
[Crossref]

A. Leitenstorfer, S. Hunsche, J. Shah, M. C. Nuss, and W. H. Knox, “Detectors and sources for ultrabroadband electro-optic sampling: experiment and theory,” Appl. Phys. Lett. 74(11), 1516–1518 (1999).
[Crossref]

Q. Wu and X.-C. Zhang, “Free-space electro-optics sampling of mid-infrared pulses,” Appl. Phys. Lett. 71(10), 1285–1286 (1997).
[Crossref]

I. D. Vugmeyster, J. F. Whitaker, and R. Merlin, “GaP based terahertz time-domain spectrometer optimized for the 5-8 THz range,” Appl. Phys. Lett. 101(18), 181101 (2012).
[Crossref]

X.-C. Zhang, X. F. Ma, Y. Jin, T.-M. Lu, E. P. Boden, P. D. Phelps, K. R. Stewart, and C. P. Yakymyshyn, “Terahertz optical rectification from a nonlinear organic crystal,” Appl. Phys. Lett. 61(26), 3080–3082 (1992).
[Crossref]

IEEE J. Sel. Top. Quantum Electron. (2)

C. Kränkel, “Rare-earth-doped sesquioxides for diode-pumped high-power lasers in the 1-, 2-, and 3-µm spectral range,” IEEE J. Sel. Top. Quantum Electron. 21(1), 250–262 (2015).
[Crossref]

C. J. Saraceno, F. Emaury, C. Schriber, A. Diebold, M. Hoffmann, M. Golling, T. Südmeyer, and U. Keller, “Toward millijoule-level high-power ultrafast thin-disk oscillators,” IEEE J. Sel. Top. Quantum Electron. 21(1), 106–123 (2015).
[Crossref]

Infrared Phys. (1)

K. P. Cheung and D. H. Auston, “A novel technique for measuring far-infrared absorption and dispersion,” Infrared Phys. 26(1), 23–27 (1986).
[Crossref]

J. Appl. Phys. (1)

W. L. Bond, “Measurement of the refractive indices of several crystals,” J. Appl. Phys. 36(5), 1674–1677 (1965).
[Crossref]

J. Opt. (1)

C. J. Saraceno, “Mode-locked thin-disk lasers and their potential application for high-power terahertz generation,” J. Opt. 20(4), 044010 (2018).
[Crossref]

J. Opt. Soc. Am. B (1)

J. Phys. At. Mol. Opt. Phys. (1)

J. Xu, B. Globisch, C. Hofer, N. Lilienfein, T. Butler, N. Karpowicz, and I. Pupeza, “Three-octave terahertz pulses from optical rectification of 20-fs, 1-μm, 78-MHz pulses in GaP,” J. Phys. At. Mol. Opt. Phys. 51(15), 154002 (2018).
[Crossref]

Jpn. J. Appl. Phys. (1)

J. Hamazaki, K. Furusawa, N. Sekine, A. Kasamatsu, and I. Hosako, “Effects of chirp of pump pulses on broadband terahertz pulse spectra generated by optical rectification,” Jpn. J. Appl. Phys. 55(11), 110305 (2016).
[Crossref]

Laser Photonics Rev. (1)

P. U. Jepsen, D. G. Cooke, and M. Koch, “Terahertz spectroscopy and imaging – Modern techniques and applications,” Laser Photonics Rev. 5(1), 124–166 (2011).
[Crossref]

Laser Phys. Lett. (1)

J. Li, L. Chai, J. Shi, F. Liu, B. Liu, B. Xu, M. Hu, Y. Li, Q. Xing, C. Wang, A. B. Fedotov, and A. M. Zheltikov, “Generation of 0.3 mW high-power broadband terahertz pulses from GaP crystal pumped by negatively chirped femtosecond laser pulses,” Laser Phys. Lett. 10(12), 125404 (2013).
[Crossref]

Mater. Today (1)

B. Clough, J. Dai, and X.-C. Zhang, “Laser air photonics: beyond the terahertz gap,” Mater. Today 15(1), 50–58 (2012).
[Crossref]

Nat. Mater. (1)

B. Ferguson and X.-C. Zhang, “Materials for terahertz science and technology,” Nat. Mater. 1(1), 26–33 (2002).
[Crossref] [PubMed]

Nat. Photonics (1)

T. Seifert, S. Jaiswal, U. Martens, J. Hannegan, L. Braun, P. Maldonado, F. Freimuth, A. Kronenberg, J. Henrizi, I. Radu, E. Beaurepaire, Y. Mokrousov, P. M. Oppeneer, M. Jourdan, G. Jakob, D. Turchinovich, L. M. Hayden, M. Wolf, M. Münzenberg, M. Kläui, and T. Kampfrath, “Efficient metallic spintronic emitters of ultrabroadband terahertz radiation,” Nat. Photonics 10(7), 483–488 (2016).
[Crossref]

Opt. Express (7)

G. Chang, C. J. Divin, C.-H. Liu, S. L. Williamson, A. Galvanauskas, and T. B. Norris, “Power scalable compact THz system based on an ultrafast Yb-doped fiber amplifier,” Opt. Express 14(17), 7909–7913 (2006).
[Crossref] [PubMed]

K. Y. Kim, J. H. Glownia, A. J. Taylor, and G. Rodriguez, “Terahertz emission from ultrafast ionizing air in symmetry-broken laser fields,” Opt. Express 15(8), 4577–4584 (2007).
[Crossref] [PubMed]

C. J. Saraceno, F. Emaury, O. H. Heckl, C. R. E. Baer, M. Hoffmann, C. Schriber, M. Golling, T. Südmeyer, and U. Keller, “275 W average output power from a femtosecond thin disk oscillator operated in a vacuum environment,” Opt. Express 20(21), 23535–23541 (2012).
[Crossref] [PubMed]

J. A. Fülöp, L. Pálfalvi, G. Almási, and J. Hebling, “Design of high-energy terahertz sources based on optical rectification,” Opt. Express 18(12), 12311–12327 (2010).
[Crossref] [PubMed]

C. Paradis, N. Modsching, V. J. Wittwer, B. Deppe, C. Kränkel, and T. Südmeyer, “Generation of 35-fs pulses from a Kerr lens mode-locked Yb:Lu2O3 thin-disk laser,” Opt. Express 25(13), 14918–14925 (2017).
[Crossref] [PubMed]

Y. Ochi, K. Nagashima, M. Maruyama, M. Tsubouchi, F. Yoshida, N. Kohno, M. Mori, and A. Sugiyama, “Yb:YAG thin-disk chirped pulse amplification laser system for intense terahertz pulse generation,” Opt. Express 23(11), 15057–15064 (2015).
[Crossref] [PubMed]

J.-P. Negel, A. Loescher, A. Voss, D. Bauer, D. Sutter, A. Killi, M. A. Ahmed, and T. Graf, “Ultrafast thin-disk multipass laser amplifier delivering 1.4 kW (4.7 mJ, 1030 nm) average power converted to 820 W at 515 nm and 234 W at 343 nm,” Opt. Express 23(16), 21064–21077 (2015).
[Crossref] [PubMed]

Opt. Lett. (5)

Phys. Rev. Spec. Top. Accel. Beams (1)

S. Casalbuoni, H. Schlarb, B. Schmidt, P. Schmüser, B. Steffen, and A. Winter, “Numerical studies on the electro-optic detection of femtosecond electron bunches,” Phys. Rev. Spec. Top. Accel. Beams 11(7), 072802 (2008).
[Crossref]

R. Soc. Open Sci. (1)

T. A. A. Oliver, “Recent advances in multidimensional ultrafast spectroscopy,” R. Soc. Open Sci. 5(1), 171425 (2018).
[Crossref] [PubMed]

Rep. Prog. Phys. (1)

K. Reimann, “Table-top sources of ultrashort THz pulses,” Rep. Prog. Phys. 70(10), 1597–1632 (2007).
[Crossref]

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Figures (5)

Fig. 1
Fig. 1 Experimental setup for THz generation driven by the output of an ultrafast thin-disk laser oscillator. The inset (a) shows (from left to right) the optical spectrum, the autocorrelation trace and the output beam profile of the laser; the inset (b) shows the beam profile of the near-infrared laser at the focus. BPD: balanced photo-detector; DM: dispersive mirror; OAPM: off-axis parabolic mirror; OC: output coupler; QWP: quarter-wave plate; T: transmission; WP, Wollaston prism; wIR: infrared beam radius.
Fig. 2
Fig. 2 (a) Time-resolved THz signals generated and detected in 0.5 mm (blue) and 1.0 mm (orange) thick GaP crystals (an offset in time and electric field has been added for better visibility) and (b) corresponding spectra of the electric field amplitude after Fourier transformation. (c) Corresponding power spectrum represented in logarithmic scale.
Fig. 3
Fig. 3 Refractive index of GaP. In the THz region, it is retrieved from a THz time-domain spectroscopy measurement and compared to values taken from [31,32]. In the near-infrared range, is it measured by spectroscopic ellipsometry combined with transmission data and compared to [33].
Fig. 4
Fig. 4 THz spectra generated in 0.5 mm and 1.0 mm thick GaP crystals (solid lines). The corresponding phase matching curves (dashed lines) are calculated following the model presented in [18], using a value of 3.31 for the optical group index of GaP at 1031 nm and the refractive index in the THz domain given by (1).
Fig. 5
Fig. 5 (a) THz time-domain waveforms and (b) THz power spectra generated in a 1.0 mm GaP crystal at different relative humidity (RH) levels. (c) Frequency-dependent absorption coefficient of the water vapor, compared to the data taken from [34].

Equations (1)

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n 2 =1+ B 1 λ 2 λ 2 λ 1 2 + B 2 λ 2 λ 2 λ 2 2 ,

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