Abstract

The dielectric constant of potassium tantalate (KTaO3) single crystals at 0.1-0.8 THz is modulated by 532nm continuous-wave laser at room temperature. The dielectric constant decreases with the increasing laser power, especially the real part, which decreases by 3.5% when the laser power is 600mW. This property of KTaO3 crystal is attributed to its soft-mode hardening due to the anharmonic character of its potential. It is also found that the refractive index linearly decreases with the increasing laser power, which is interpreted as the linear electro-optic effect induced by internal space charge field of the crystal.

© 2014 Optical Society of America

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References

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  1. M. Hangyo, M. Tani, and T. Nagashima, “Terahertz Time-Domain Spectroscopy of Solids: A Review,” Int. J. Infrared Millim. Waves 26(12), 1661–1690 (2005).
    [Crossref]
  2. M. Tonouchi, “Cutting-edge terahertz technology,” Nat. Photonics 1(2), 97–105 (2007).
    [Crossref]
  3. Y. Ichikawa, M. Nagai, and K. Tanaka, “Direct observation of the soft-mode dispersion in the incipient ferroelectric KTaO3,” Phys. Rev. B 71(9), 092106 (2005).
    [Crossref]
  4. Y. Ichikawa and K. Tanaka, “Influence of lattice polarizability on interacting Li-induced dipoles distributed in incipient ferroelectric KTaO3,” Phys. Rev. B 77(14), 144102 (2008).
    [Crossref]
  5. S. Glinšek, D. Nuzhnyy, J. Petzelt, B. Malič, S. Kamba, V. Bovtun, M. Kempa, V. Skoromets, P. Kuzĕl, I. Gregora, and M. Kosec, “Lattice dynamics and broad-band properties of the KTaO3 ceramics,” J. Appl. Phys. 111(10), 104101 (2012).
    [Crossref]
  6. V. Skoromets, S. Glinsĕk, V. Bovtun, M. Kempa, J. Petzelt, S. Kamba, B. Malič, M. Kosec, and P. Kuzĕl, “Ferroelectric phase transition in polycrystalline KTaO3 thin film revealed by terahertz spectroscopy,” Appl. Phys. Lett. 99(5), 052908 (2011).
    [Crossref]
  7. A. Pashkin, V. Zelezný, and J. Petzelt, “Infrared spectroscopy of KTa1-xNbxO3 crystals,” J. Phys. Condens. Matter 17(25), L265–L270 (2005).
    [Crossref] [PubMed]
  8. V. Trepakov, A. Skvortsov, N. Poletaev, Z. Potůček, D. Nuzhnyy, L. Jastrabik, and A. Dejneka, “An optical and dielectric spectroscopy study of Er3+-doped KTaO3,” Phys. Status Solidi B 248(12), 2908–2915 (2011).
    [Crossref]
  9. P. Kužel and F. Kadlec, “Tunable structures and modulators for THz light,” C. R. Phys. 9(2), 197–214 (2008).
    [Crossref]
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    [Crossref]
  12. V. Skoromets, F. Kadlec, C. Kadlec, H. Němec, I. Rychetsky, G. Panaitov, V. Müller, D. Fattakhova-Rohlfing, P. Moch, and P. Kužel, “Tuning of dielectric properties of SrTiO3 in the terahertz range,” Phys. Rev. B 84(17), 174121 (2011).
    [Crossref]
  13. R. C. Miller and W. G. Spitzer, “Far infrared dielectric dispersion in KTaO3,” Phys. Rev. 129(1), 94–98 (1963).
    [Crossref]
  14. F. S. Chen, “Optically induced change of refractive indices in LiNbO3 and LiTaO3,” J. Appl. Phys. 40(8), 3389–3396 (1969).
    [Crossref]
  15. V. V. Laguta, M. D. Glinchuk, I. P. Bykov, J. Rosa, L. Jastrabík, R. S. Klein, and G. E. Kugel, “Photochromic centers and impurities in nominally pure KTaO3 and K1-xLixTaO3.,” Phys. Rev. B Condens. Matter 52(10), 7102–7107 (1995).
    [Crossref] [PubMed]
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    [Crossref]
  17. V. Vikhnin, M. Aulich, S. Eden, and S. Kapphan, “Possible nature of the red luminescence in incipient ferroelectric KTaO3,” Radiat. Eff. Defects 149(1-4), 125–130 (1999).
    [Crossref]

2013 (1)

L. Wu, L. Jiang, Q. Sheng, X. Ding, and J. Yao, “Optical tuning of dielectric properties of LiNbO3:Mg in the terahertz range,” J Infrared Milli Terahz Waves 34(10), 639–645 (2013).
[Crossref]

2012 (1)

S. Glinšek, D. Nuzhnyy, J. Petzelt, B. Malič, S. Kamba, V. Bovtun, M. Kempa, V. Skoromets, P. Kuzĕl, I. Gregora, and M. Kosec, “Lattice dynamics and broad-band properties of the KTaO3 ceramics,” J. Appl. Phys. 111(10), 104101 (2012).
[Crossref]

2011 (3)

V. Skoromets, S. Glinsĕk, V. Bovtun, M. Kempa, J. Petzelt, S. Kamba, B. Malič, M. Kosec, and P. Kuzĕl, “Ferroelectric phase transition in polycrystalline KTaO3 thin film revealed by terahertz spectroscopy,” Appl. Phys. Lett. 99(5), 052908 (2011).
[Crossref]

V. Trepakov, A. Skvortsov, N. Poletaev, Z. Potůček, D. Nuzhnyy, L. Jastrabik, and A. Dejneka, “An optical and dielectric spectroscopy study of Er3+-doped KTaO3,” Phys. Status Solidi B 248(12), 2908–2915 (2011).
[Crossref]

V. Skoromets, F. Kadlec, C. Kadlec, H. Němec, I. Rychetsky, G. Panaitov, V. Müller, D. Fattakhova-Rohlfing, P. Moch, and P. Kužel, “Tuning of dielectric properties of SrTiO3 in the terahertz range,” Phys. Rev. B 84(17), 174121 (2011).
[Crossref]

2008 (2)

P. Kužel and F. Kadlec, “Tunable structures and modulators for THz light,” C. R. Phys. 9(2), 197–214 (2008).
[Crossref]

Y. Ichikawa and K. Tanaka, “Influence of lattice polarizability on interacting Li-induced dipoles distributed in incipient ferroelectric KTaO3,” Phys. Rev. B 77(14), 144102 (2008).
[Crossref]

2007 (1)

M. Tonouchi, “Cutting-edge terahertz technology,” Nat. Photonics 1(2), 97–105 (2007).
[Crossref]

2005 (3)

Y. Ichikawa, M. Nagai, and K. Tanaka, “Direct observation of the soft-mode dispersion in the incipient ferroelectric KTaO3,” Phys. Rev. B 71(9), 092106 (2005).
[Crossref]

M. Hangyo, M. Tani, and T. Nagashima, “Terahertz Time-Domain Spectroscopy of Solids: A Review,” Int. J. Infrared Millim. Waves 26(12), 1661–1690 (2005).
[Crossref]

A. Pashkin, V. Zelezný, and J. Petzelt, “Infrared spectroscopy of KTa1-xNbxO3 crystals,” J. Phys. Condens. Matter 17(25), L265–L270 (2005).
[Crossref] [PubMed]

1999 (1)

V. Vikhnin, M. Aulich, S. Eden, and S. Kapphan, “Possible nature of the red luminescence in incipient ferroelectric KTaO3,” Radiat. Eff. Defects 149(1-4), 125–130 (1999).
[Crossref]

1998 (1)

V. V. Laguta, M. I. Zaritskii, M. D. Glinchuk, I. P. Bykov, J. Rosa, and L. Jastrabík, “Symmetry-breaking Ta4+ centers in KTaO3,” Phys. Rev. B 58(1), 156–163 (1998).
[Crossref]

1995 (1)

V. V. Laguta, M. D. Glinchuk, I. P. Bykov, J. Rosa, L. Jastrabík, R. S. Klein, and G. E. Kugel, “Photochromic centers and impurities in nominally pure KTaO3 and K1-xLixTaO3.,” Phys. Rev. B Condens. Matter 52(10), 7102–7107 (1995).
[Crossref] [PubMed]

1969 (1)

F. S. Chen, “Optically induced change of refractive indices in LiNbO3 and LiTaO3,” J. Appl. Phys. 40(8), 3389–3396 (1969).
[Crossref]

1963 (1)

R. C. Miller and W. G. Spitzer, “Far infrared dielectric dispersion in KTaO3,” Phys. Rev. 129(1), 94–98 (1963).
[Crossref]

Aulich, M.

V. Vikhnin, M. Aulich, S. Eden, and S. Kapphan, “Possible nature of the red luminescence in incipient ferroelectric KTaO3,” Radiat. Eff. Defects 149(1-4), 125–130 (1999).
[Crossref]

Bovtun, V.

S. Glinšek, D. Nuzhnyy, J. Petzelt, B. Malič, S. Kamba, V. Bovtun, M. Kempa, V. Skoromets, P. Kuzĕl, I. Gregora, and M. Kosec, “Lattice dynamics and broad-band properties of the KTaO3 ceramics,” J. Appl. Phys. 111(10), 104101 (2012).
[Crossref]

V. Skoromets, S. Glinsĕk, V. Bovtun, M. Kempa, J. Petzelt, S. Kamba, B. Malič, M. Kosec, and P. Kuzĕl, “Ferroelectric phase transition in polycrystalline KTaO3 thin film revealed by terahertz spectroscopy,” Appl. Phys. Lett. 99(5), 052908 (2011).
[Crossref]

Bykov, I. P.

V. V. Laguta, M. I. Zaritskii, M. D. Glinchuk, I. P. Bykov, J. Rosa, and L. Jastrabík, “Symmetry-breaking Ta4+ centers in KTaO3,” Phys. Rev. B 58(1), 156–163 (1998).
[Crossref]

V. V. Laguta, M. D. Glinchuk, I. P. Bykov, J. Rosa, L. Jastrabík, R. S. Klein, and G. E. Kugel, “Photochromic centers and impurities in nominally pure KTaO3 and K1-xLixTaO3.,” Phys. Rev. B Condens. Matter 52(10), 7102–7107 (1995).
[Crossref] [PubMed]

Chen, F. S.

F. S. Chen, “Optically induced change of refractive indices in LiNbO3 and LiTaO3,” J. Appl. Phys. 40(8), 3389–3396 (1969).
[Crossref]

Dejneka, A.

V. Trepakov, A. Skvortsov, N. Poletaev, Z. Potůček, D. Nuzhnyy, L. Jastrabik, and A. Dejneka, “An optical and dielectric spectroscopy study of Er3+-doped KTaO3,” Phys. Status Solidi B 248(12), 2908–2915 (2011).
[Crossref]

Ding, X.

L. Wu, L. Jiang, Q. Sheng, X. Ding, and J. Yao, “Optical tuning of dielectric properties of LiNbO3:Mg in the terahertz range,” J Infrared Milli Terahz Waves 34(10), 639–645 (2013).
[Crossref]

Eden, S.

V. Vikhnin, M. Aulich, S. Eden, and S. Kapphan, “Possible nature of the red luminescence in incipient ferroelectric KTaO3,” Radiat. Eff. Defects 149(1-4), 125–130 (1999).
[Crossref]

Fattakhova-Rohlfing, D.

V. Skoromets, F. Kadlec, C. Kadlec, H. Němec, I. Rychetsky, G. Panaitov, V. Müller, D. Fattakhova-Rohlfing, P. Moch, and P. Kužel, “Tuning of dielectric properties of SrTiO3 in the terahertz range,” Phys. Rev. B 84(17), 174121 (2011).
[Crossref]

Glinchuk, M. D.

V. V. Laguta, M. I. Zaritskii, M. D. Glinchuk, I. P. Bykov, J. Rosa, and L. Jastrabík, “Symmetry-breaking Ta4+ centers in KTaO3,” Phys. Rev. B 58(1), 156–163 (1998).
[Crossref]

V. V. Laguta, M. D. Glinchuk, I. P. Bykov, J. Rosa, L. Jastrabík, R. S. Klein, and G. E. Kugel, “Photochromic centers and impurities in nominally pure KTaO3 and K1-xLixTaO3.,” Phys. Rev. B Condens. Matter 52(10), 7102–7107 (1995).
[Crossref] [PubMed]

Glinsek, S.

V. Skoromets, S. Glinsĕk, V. Bovtun, M. Kempa, J. Petzelt, S. Kamba, B. Malič, M. Kosec, and P. Kuzĕl, “Ferroelectric phase transition in polycrystalline KTaO3 thin film revealed by terahertz spectroscopy,” Appl. Phys. Lett. 99(5), 052908 (2011).
[Crossref]

Glinšek, S.

S. Glinšek, D. Nuzhnyy, J. Petzelt, B. Malič, S. Kamba, V. Bovtun, M. Kempa, V. Skoromets, P. Kuzĕl, I. Gregora, and M. Kosec, “Lattice dynamics and broad-band properties of the KTaO3 ceramics,” J. Appl. Phys. 111(10), 104101 (2012).
[Crossref]

Gregora, I.

S. Glinšek, D. Nuzhnyy, J. Petzelt, B. Malič, S. Kamba, V. Bovtun, M. Kempa, V. Skoromets, P. Kuzĕl, I. Gregora, and M. Kosec, “Lattice dynamics and broad-band properties of the KTaO3 ceramics,” J. Appl. Phys. 111(10), 104101 (2012).
[Crossref]

Hangyo, M.

M. Hangyo, M. Tani, and T. Nagashima, “Terahertz Time-Domain Spectroscopy of Solids: A Review,” Int. J. Infrared Millim. Waves 26(12), 1661–1690 (2005).
[Crossref]

Ichikawa, Y.

Y. Ichikawa and K. Tanaka, “Influence of lattice polarizability on interacting Li-induced dipoles distributed in incipient ferroelectric KTaO3,” Phys. Rev. B 77(14), 144102 (2008).
[Crossref]

Y. Ichikawa, M. Nagai, and K. Tanaka, “Direct observation of the soft-mode dispersion in the incipient ferroelectric KTaO3,” Phys. Rev. B 71(9), 092106 (2005).
[Crossref]

Jastrabik, L.

V. Trepakov, A. Skvortsov, N. Poletaev, Z. Potůček, D. Nuzhnyy, L. Jastrabik, and A. Dejneka, “An optical and dielectric spectroscopy study of Er3+-doped KTaO3,” Phys. Status Solidi B 248(12), 2908–2915 (2011).
[Crossref]

Jastrabík, L.

V. V. Laguta, M. I. Zaritskii, M. D. Glinchuk, I. P. Bykov, J. Rosa, and L. Jastrabík, “Symmetry-breaking Ta4+ centers in KTaO3,” Phys. Rev. B 58(1), 156–163 (1998).
[Crossref]

V. V. Laguta, M. D. Glinchuk, I. P. Bykov, J. Rosa, L. Jastrabík, R. S. Klein, and G. E. Kugel, “Photochromic centers and impurities in nominally pure KTaO3 and K1-xLixTaO3.,” Phys. Rev. B Condens. Matter 52(10), 7102–7107 (1995).
[Crossref] [PubMed]

Jiang, L.

L. Wu, L. Jiang, Q. Sheng, X. Ding, and J. Yao, “Optical tuning of dielectric properties of LiNbO3:Mg in the terahertz range,” J Infrared Milli Terahz Waves 34(10), 639–645 (2013).
[Crossref]

Kadlec, C.

V. Skoromets, F. Kadlec, C. Kadlec, H. Němec, I. Rychetsky, G. Panaitov, V. Müller, D. Fattakhova-Rohlfing, P. Moch, and P. Kužel, “Tuning of dielectric properties of SrTiO3 in the terahertz range,” Phys. Rev. B 84(17), 174121 (2011).
[Crossref]

Kadlec, F.

V. Skoromets, F. Kadlec, C. Kadlec, H. Němec, I. Rychetsky, G. Panaitov, V. Müller, D. Fattakhova-Rohlfing, P. Moch, and P. Kužel, “Tuning of dielectric properties of SrTiO3 in the terahertz range,” Phys. Rev. B 84(17), 174121 (2011).
[Crossref]

P. Kužel and F. Kadlec, “Tunable structures and modulators for THz light,” C. R. Phys. 9(2), 197–214 (2008).
[Crossref]

Kamba, S.

S. Glinšek, D. Nuzhnyy, J. Petzelt, B. Malič, S. Kamba, V. Bovtun, M. Kempa, V. Skoromets, P. Kuzĕl, I. Gregora, and M. Kosec, “Lattice dynamics and broad-band properties of the KTaO3 ceramics,” J. Appl. Phys. 111(10), 104101 (2012).
[Crossref]

V. Skoromets, S. Glinsĕk, V. Bovtun, M. Kempa, J. Petzelt, S. Kamba, B. Malič, M. Kosec, and P. Kuzĕl, “Ferroelectric phase transition in polycrystalline KTaO3 thin film revealed by terahertz spectroscopy,” Appl. Phys. Lett. 99(5), 052908 (2011).
[Crossref]

Kapphan, S.

V. Vikhnin, M. Aulich, S. Eden, and S. Kapphan, “Possible nature of the red luminescence in incipient ferroelectric KTaO3,” Radiat. Eff. Defects 149(1-4), 125–130 (1999).
[Crossref]

Kempa, M.

S. Glinšek, D. Nuzhnyy, J. Petzelt, B. Malič, S. Kamba, V. Bovtun, M. Kempa, V. Skoromets, P. Kuzĕl, I. Gregora, and M. Kosec, “Lattice dynamics and broad-band properties of the KTaO3 ceramics,” J. Appl. Phys. 111(10), 104101 (2012).
[Crossref]

V. Skoromets, S. Glinsĕk, V. Bovtun, M. Kempa, J. Petzelt, S. Kamba, B. Malič, M. Kosec, and P. Kuzĕl, “Ferroelectric phase transition in polycrystalline KTaO3 thin film revealed by terahertz spectroscopy,” Appl. Phys. Lett. 99(5), 052908 (2011).
[Crossref]

Klein, R. S.

V. V. Laguta, M. D. Glinchuk, I. P. Bykov, J. Rosa, L. Jastrabík, R. S. Klein, and G. E. Kugel, “Photochromic centers and impurities in nominally pure KTaO3 and K1-xLixTaO3.,” Phys. Rev. B Condens. Matter 52(10), 7102–7107 (1995).
[Crossref] [PubMed]

Kosec, M.

S. Glinšek, D. Nuzhnyy, J. Petzelt, B. Malič, S. Kamba, V. Bovtun, M. Kempa, V. Skoromets, P. Kuzĕl, I. Gregora, and M. Kosec, “Lattice dynamics and broad-band properties of the KTaO3 ceramics,” J. Appl. Phys. 111(10), 104101 (2012).
[Crossref]

V. Skoromets, S. Glinsĕk, V. Bovtun, M. Kempa, J. Petzelt, S. Kamba, B. Malič, M. Kosec, and P. Kuzĕl, “Ferroelectric phase transition in polycrystalline KTaO3 thin film revealed by terahertz spectroscopy,” Appl. Phys. Lett. 99(5), 052908 (2011).
[Crossref]

Kugel, G. E.

V. V. Laguta, M. D. Glinchuk, I. P. Bykov, J. Rosa, L. Jastrabík, R. S. Klein, and G. E. Kugel, “Photochromic centers and impurities in nominally pure KTaO3 and K1-xLixTaO3.,” Phys. Rev. B Condens. Matter 52(10), 7102–7107 (1995).
[Crossref] [PubMed]

Kuzel, P.

S. Glinšek, D. Nuzhnyy, J. Petzelt, B. Malič, S. Kamba, V. Bovtun, M. Kempa, V. Skoromets, P. Kuzĕl, I. Gregora, and M. Kosec, “Lattice dynamics and broad-band properties of the KTaO3 ceramics,” J. Appl. Phys. 111(10), 104101 (2012).
[Crossref]

V. Skoromets, S. Glinsĕk, V. Bovtun, M. Kempa, J. Petzelt, S. Kamba, B. Malič, M. Kosec, and P. Kuzĕl, “Ferroelectric phase transition in polycrystalline KTaO3 thin film revealed by terahertz spectroscopy,” Appl. Phys. Lett. 99(5), 052908 (2011).
[Crossref]

Kužel, P.

V. Skoromets, F. Kadlec, C. Kadlec, H. Němec, I. Rychetsky, G. Panaitov, V. Müller, D. Fattakhova-Rohlfing, P. Moch, and P. Kužel, “Tuning of dielectric properties of SrTiO3 in the terahertz range,” Phys. Rev. B 84(17), 174121 (2011).
[Crossref]

P. Kužel and F. Kadlec, “Tunable structures and modulators for THz light,” C. R. Phys. 9(2), 197–214 (2008).
[Crossref]

Laguta, V. V.

V. V. Laguta, M. I. Zaritskii, M. D. Glinchuk, I. P. Bykov, J. Rosa, and L. Jastrabík, “Symmetry-breaking Ta4+ centers in KTaO3,” Phys. Rev. B 58(1), 156–163 (1998).
[Crossref]

V. V. Laguta, M. D. Glinchuk, I. P. Bykov, J. Rosa, L. Jastrabík, R. S. Klein, and G. E. Kugel, “Photochromic centers and impurities in nominally pure KTaO3 and K1-xLixTaO3.,” Phys. Rev. B Condens. Matter 52(10), 7102–7107 (1995).
[Crossref] [PubMed]

Malic, B.

S. Glinšek, D. Nuzhnyy, J. Petzelt, B. Malič, S. Kamba, V. Bovtun, M. Kempa, V. Skoromets, P. Kuzĕl, I. Gregora, and M. Kosec, “Lattice dynamics and broad-band properties of the KTaO3 ceramics,” J. Appl. Phys. 111(10), 104101 (2012).
[Crossref]

V. Skoromets, S. Glinsĕk, V. Bovtun, M. Kempa, J. Petzelt, S. Kamba, B. Malič, M. Kosec, and P. Kuzĕl, “Ferroelectric phase transition in polycrystalline KTaO3 thin film revealed by terahertz spectroscopy,” Appl. Phys. Lett. 99(5), 052908 (2011).
[Crossref]

Miller, R. C.

R. C. Miller and W. G. Spitzer, “Far infrared dielectric dispersion in KTaO3,” Phys. Rev. 129(1), 94–98 (1963).
[Crossref]

Moch, P.

V. Skoromets, F. Kadlec, C. Kadlec, H. Němec, I. Rychetsky, G. Panaitov, V. Müller, D. Fattakhova-Rohlfing, P. Moch, and P. Kužel, “Tuning of dielectric properties of SrTiO3 in the terahertz range,” Phys. Rev. B 84(17), 174121 (2011).
[Crossref]

Müller, V.

V. Skoromets, F. Kadlec, C. Kadlec, H. Němec, I. Rychetsky, G. Panaitov, V. Müller, D. Fattakhova-Rohlfing, P. Moch, and P. Kužel, “Tuning of dielectric properties of SrTiO3 in the terahertz range,” Phys. Rev. B 84(17), 174121 (2011).
[Crossref]

Nagai, M.

Y. Ichikawa, M. Nagai, and K. Tanaka, “Direct observation of the soft-mode dispersion in the incipient ferroelectric KTaO3,” Phys. Rev. B 71(9), 092106 (2005).
[Crossref]

Nagashima, T.

M. Hangyo, M. Tani, and T. Nagashima, “Terahertz Time-Domain Spectroscopy of Solids: A Review,” Int. J. Infrared Millim. Waves 26(12), 1661–1690 (2005).
[Crossref]

Nemec, H.

V. Skoromets, F. Kadlec, C. Kadlec, H. Němec, I. Rychetsky, G. Panaitov, V. Müller, D. Fattakhova-Rohlfing, P. Moch, and P. Kužel, “Tuning of dielectric properties of SrTiO3 in the terahertz range,” Phys. Rev. B 84(17), 174121 (2011).
[Crossref]

Nuzhnyy, D.

S. Glinšek, D. Nuzhnyy, J. Petzelt, B. Malič, S. Kamba, V. Bovtun, M. Kempa, V. Skoromets, P. Kuzĕl, I. Gregora, and M. Kosec, “Lattice dynamics and broad-band properties of the KTaO3 ceramics,” J. Appl. Phys. 111(10), 104101 (2012).
[Crossref]

V. Trepakov, A. Skvortsov, N. Poletaev, Z. Potůček, D. Nuzhnyy, L. Jastrabik, and A. Dejneka, “An optical and dielectric spectroscopy study of Er3+-doped KTaO3,” Phys. Status Solidi B 248(12), 2908–2915 (2011).
[Crossref]

Panaitov, G.

V. Skoromets, F. Kadlec, C. Kadlec, H. Němec, I. Rychetsky, G. Panaitov, V. Müller, D. Fattakhova-Rohlfing, P. Moch, and P. Kužel, “Tuning of dielectric properties of SrTiO3 in the terahertz range,” Phys. Rev. B 84(17), 174121 (2011).
[Crossref]

Pashkin, A.

A. Pashkin, V. Zelezný, and J. Petzelt, “Infrared spectroscopy of KTa1-xNbxO3 crystals,” J. Phys. Condens. Matter 17(25), L265–L270 (2005).
[Crossref] [PubMed]

Petzelt, J.

S. Glinšek, D. Nuzhnyy, J. Petzelt, B. Malič, S. Kamba, V. Bovtun, M. Kempa, V. Skoromets, P. Kuzĕl, I. Gregora, and M. Kosec, “Lattice dynamics and broad-band properties of the KTaO3 ceramics,” J. Appl. Phys. 111(10), 104101 (2012).
[Crossref]

V. Skoromets, S. Glinsĕk, V. Bovtun, M. Kempa, J. Petzelt, S. Kamba, B. Malič, M. Kosec, and P. Kuzĕl, “Ferroelectric phase transition in polycrystalline KTaO3 thin film revealed by terahertz spectroscopy,” Appl. Phys. Lett. 99(5), 052908 (2011).
[Crossref]

A. Pashkin, V. Zelezný, and J. Petzelt, “Infrared spectroscopy of KTa1-xNbxO3 crystals,” J. Phys. Condens. Matter 17(25), L265–L270 (2005).
[Crossref] [PubMed]

Poletaev, N.

V. Trepakov, A. Skvortsov, N. Poletaev, Z. Potůček, D. Nuzhnyy, L. Jastrabik, and A. Dejneka, “An optical and dielectric spectroscopy study of Er3+-doped KTaO3,” Phys. Status Solidi B 248(12), 2908–2915 (2011).
[Crossref]

Potucek, Z.

V. Trepakov, A. Skvortsov, N. Poletaev, Z. Potůček, D. Nuzhnyy, L. Jastrabik, and A. Dejneka, “An optical and dielectric spectroscopy study of Er3+-doped KTaO3,” Phys. Status Solidi B 248(12), 2908–2915 (2011).
[Crossref]

Rosa, J.

V. V. Laguta, M. I. Zaritskii, M. D. Glinchuk, I. P. Bykov, J. Rosa, and L. Jastrabík, “Symmetry-breaking Ta4+ centers in KTaO3,” Phys. Rev. B 58(1), 156–163 (1998).
[Crossref]

V. V. Laguta, M. D. Glinchuk, I. P. Bykov, J. Rosa, L. Jastrabík, R. S. Klein, and G. E. Kugel, “Photochromic centers and impurities in nominally pure KTaO3 and K1-xLixTaO3.,” Phys. Rev. B Condens. Matter 52(10), 7102–7107 (1995).
[Crossref] [PubMed]

Rychetsky, I.

V. Skoromets, F. Kadlec, C. Kadlec, H. Němec, I. Rychetsky, G. Panaitov, V. Müller, D. Fattakhova-Rohlfing, P. Moch, and P. Kužel, “Tuning of dielectric properties of SrTiO3 in the terahertz range,” Phys. Rev. B 84(17), 174121 (2011).
[Crossref]

Sheng, Q.

L. Wu, L. Jiang, Q. Sheng, X. Ding, and J. Yao, “Optical tuning of dielectric properties of LiNbO3:Mg in the terahertz range,” J Infrared Milli Terahz Waves 34(10), 639–645 (2013).
[Crossref]

Skoromets, V.

S. Glinšek, D. Nuzhnyy, J. Petzelt, B. Malič, S. Kamba, V. Bovtun, M. Kempa, V. Skoromets, P. Kuzĕl, I. Gregora, and M. Kosec, “Lattice dynamics and broad-band properties of the KTaO3 ceramics,” J. Appl. Phys. 111(10), 104101 (2012).
[Crossref]

V. Skoromets, S. Glinsĕk, V. Bovtun, M. Kempa, J. Petzelt, S. Kamba, B. Malič, M. Kosec, and P. Kuzĕl, “Ferroelectric phase transition in polycrystalline KTaO3 thin film revealed by terahertz spectroscopy,” Appl. Phys. Lett. 99(5), 052908 (2011).
[Crossref]

V. Skoromets, F. Kadlec, C. Kadlec, H. Němec, I. Rychetsky, G. Panaitov, V. Müller, D. Fattakhova-Rohlfing, P. Moch, and P. Kužel, “Tuning of dielectric properties of SrTiO3 in the terahertz range,” Phys. Rev. B 84(17), 174121 (2011).
[Crossref]

Skvortsov, A.

V. Trepakov, A. Skvortsov, N. Poletaev, Z. Potůček, D. Nuzhnyy, L. Jastrabik, and A. Dejneka, “An optical and dielectric spectroscopy study of Er3+-doped KTaO3,” Phys. Status Solidi B 248(12), 2908–2915 (2011).
[Crossref]

Spitzer, W. G.

R. C. Miller and W. G. Spitzer, “Far infrared dielectric dispersion in KTaO3,” Phys. Rev. 129(1), 94–98 (1963).
[Crossref]

Tanaka, K.

Y. Ichikawa and K. Tanaka, “Influence of lattice polarizability on interacting Li-induced dipoles distributed in incipient ferroelectric KTaO3,” Phys. Rev. B 77(14), 144102 (2008).
[Crossref]

Y. Ichikawa, M. Nagai, and K. Tanaka, “Direct observation of the soft-mode dispersion in the incipient ferroelectric KTaO3,” Phys. Rev. B 71(9), 092106 (2005).
[Crossref]

Tani, M.

M. Hangyo, M. Tani, and T. Nagashima, “Terahertz Time-Domain Spectroscopy of Solids: A Review,” Int. J. Infrared Millim. Waves 26(12), 1661–1690 (2005).
[Crossref]

Tonouchi, M.

M. Tonouchi, “Cutting-edge terahertz technology,” Nat. Photonics 1(2), 97–105 (2007).
[Crossref]

Trepakov, V.

V. Trepakov, A. Skvortsov, N. Poletaev, Z. Potůček, D. Nuzhnyy, L. Jastrabik, and A. Dejneka, “An optical and dielectric spectroscopy study of Er3+-doped KTaO3,” Phys. Status Solidi B 248(12), 2908–2915 (2011).
[Crossref]

Vikhnin, V.

V. Vikhnin, M. Aulich, S. Eden, and S. Kapphan, “Possible nature of the red luminescence in incipient ferroelectric KTaO3,” Radiat. Eff. Defects 149(1-4), 125–130 (1999).
[Crossref]

Wu, L.

L. Wu, L. Jiang, Q. Sheng, X. Ding, and J. Yao, “Optical tuning of dielectric properties of LiNbO3:Mg in the terahertz range,” J Infrared Milli Terahz Waves 34(10), 639–645 (2013).
[Crossref]

Yao, J.

L. Wu, L. Jiang, Q. Sheng, X. Ding, and J. Yao, “Optical tuning of dielectric properties of LiNbO3:Mg in the terahertz range,” J Infrared Milli Terahz Waves 34(10), 639–645 (2013).
[Crossref]

Zaritskii, M. I.

V. V. Laguta, M. I. Zaritskii, M. D. Glinchuk, I. P. Bykov, J. Rosa, and L. Jastrabík, “Symmetry-breaking Ta4+ centers in KTaO3,” Phys. Rev. B 58(1), 156–163 (1998).
[Crossref]

Zelezný, V.

A. Pashkin, V. Zelezný, and J. Petzelt, “Infrared spectroscopy of KTa1-xNbxO3 crystals,” J. Phys. Condens. Matter 17(25), L265–L270 (2005).
[Crossref] [PubMed]

Appl. Phys. Lett. (1)

V. Skoromets, S. Glinsĕk, V. Bovtun, M. Kempa, J. Petzelt, S. Kamba, B. Malič, M. Kosec, and P. Kuzĕl, “Ferroelectric phase transition in polycrystalline KTaO3 thin film revealed by terahertz spectroscopy,” Appl. Phys. Lett. 99(5), 052908 (2011).
[Crossref]

C. R. Phys. (1)

P. Kužel and F. Kadlec, “Tunable structures and modulators for THz light,” C. R. Phys. 9(2), 197–214 (2008).
[Crossref]

Int. J. Infrared Millim. Waves (1)

M. Hangyo, M. Tani, and T. Nagashima, “Terahertz Time-Domain Spectroscopy of Solids: A Review,” Int. J. Infrared Millim. Waves 26(12), 1661–1690 (2005).
[Crossref]

J Infrared Milli Terahz Waves (1)

L. Wu, L. Jiang, Q. Sheng, X. Ding, and J. Yao, “Optical tuning of dielectric properties of LiNbO3:Mg in the terahertz range,” J Infrared Milli Terahz Waves 34(10), 639–645 (2013).
[Crossref]

J. Appl. Phys. (2)

S. Glinšek, D. Nuzhnyy, J. Petzelt, B. Malič, S. Kamba, V. Bovtun, M. Kempa, V. Skoromets, P. Kuzĕl, I. Gregora, and M. Kosec, “Lattice dynamics and broad-band properties of the KTaO3 ceramics,” J. Appl. Phys. 111(10), 104101 (2012).
[Crossref]

F. S. Chen, “Optically induced change of refractive indices in LiNbO3 and LiTaO3,” J. Appl. Phys. 40(8), 3389–3396 (1969).
[Crossref]

J. Phys. Condens. Matter (1)

A. Pashkin, V. Zelezný, and J. Petzelt, “Infrared spectroscopy of KTa1-xNbxO3 crystals,” J. Phys. Condens. Matter 17(25), L265–L270 (2005).
[Crossref] [PubMed]

Nat. Photonics (1)

M. Tonouchi, “Cutting-edge terahertz technology,” Nat. Photonics 1(2), 97–105 (2007).
[Crossref]

Phys. Rev. (1)

R. C. Miller and W. G. Spitzer, “Far infrared dielectric dispersion in KTaO3,” Phys. Rev. 129(1), 94–98 (1963).
[Crossref]

Phys. Rev. B (4)

V. Skoromets, F. Kadlec, C. Kadlec, H. Němec, I. Rychetsky, G. Panaitov, V. Müller, D. Fattakhova-Rohlfing, P. Moch, and P. Kužel, “Tuning of dielectric properties of SrTiO3 in the terahertz range,” Phys. Rev. B 84(17), 174121 (2011).
[Crossref]

V. V. Laguta, M. I. Zaritskii, M. D. Glinchuk, I. P. Bykov, J. Rosa, and L. Jastrabík, “Symmetry-breaking Ta4+ centers in KTaO3,” Phys. Rev. B 58(1), 156–163 (1998).
[Crossref]

Y. Ichikawa, M. Nagai, and K. Tanaka, “Direct observation of the soft-mode dispersion in the incipient ferroelectric KTaO3,” Phys. Rev. B 71(9), 092106 (2005).
[Crossref]

Y. Ichikawa and K. Tanaka, “Influence of lattice polarizability on interacting Li-induced dipoles distributed in incipient ferroelectric KTaO3,” Phys. Rev. B 77(14), 144102 (2008).
[Crossref]

Phys. Rev. B Condens. Matter (1)

V. V. Laguta, M. D. Glinchuk, I. P. Bykov, J. Rosa, L. Jastrabík, R. S. Klein, and G. E. Kugel, “Photochromic centers and impurities in nominally pure KTaO3 and K1-xLixTaO3.,” Phys. Rev. B Condens. Matter 52(10), 7102–7107 (1995).
[Crossref] [PubMed]

Phys. Status Solidi B (1)

V. Trepakov, A. Skvortsov, N. Poletaev, Z. Potůček, D. Nuzhnyy, L. Jastrabik, and A. Dejneka, “An optical and dielectric spectroscopy study of Er3+-doped KTaO3,” Phys. Status Solidi B 248(12), 2908–2915 (2011).
[Crossref]

Radiat. Eff. Defects (1)

V. Vikhnin, M. Aulich, S. Eden, and S. Kapphan, “Possible nature of the red luminescence in incipient ferroelectric KTaO3,” Radiat. Eff. Defects 149(1-4), 125–130 (1999).
[Crossref]

Other (1)

S. Brian, “miniature terahertz time-domain spectrometry,” (Ph.D. dissertation) (Rensselaer Polytechnic Institute) (2008).

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Figures (4)

Fig. 1
Fig. 1 A sketch of the experimental facility.
Fig. 2
Fig. 2 (a) Time domain transmittance waveforms of KTO crystal under different green laser power. (b) The reference waveform.
Fig. 3
Fig. 3 Frequency dependence of (a) real part and (b) imaginary part of complex dielectric constant of KTO with different green laser power at room temperature. The data points are our measured values, and the solid lines are the fit by Eq. (1).
Fig. 4
Fig. 4 Laser power dependence of variation of refractive index at 0.4 THz and 0.5 THz for KTO samples. The data points are experimental data, and the solid lines are the fit by Eq. (2).

Tables (2)

Tables Icon

Table 1 Parameters (cm−1) in Eq. (1).

Tables Icon

Table 2 Values of ωTO1(I) (cm−1) under different light power (mW) from the fit in Eq. (1).

Equations (2)

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ε(ω)= ε Π j n ω 2 LOj ω 2 +iω γ LOj ω 2 TOj ω 2 +iω γ TOj
ΔnEP

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