Abstract

We investigate and demonstrate a 100-Gb/s (4x25-Gb/s) receiver optical sub-assembly (ROSA) based on avalanche photodiodes and a thin-film filter-based de-multiplexer. The overall alignment tolerances of the ROSA are relaxed to have larger than ± 25 μm by improving optical coupling structure. The receiver sensitivity of each lane is also measured to be less than –22.2 dBm, a record minimum to our knowledge, at the bit error ratio of 10−12 for 25.78-Gb/s NRZ signal.

© 2016 Optical Society of America

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References

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  1. IEEE Standard 802.3ba, “40Gb/s and 100Gb/s Ethernet task force,” http://www.ieee802.org/3/ba/ .
  2. IEEE Standard 802.3bs, “200 Gb/s and 400 Gb/s Ethernet task force,” http://www.ieee802.org/3/bs/ .
  3. M. Nada, T. Yoshimatsu, Y. Muramoto, H. Yokoyama, and H. Matsuzaki, “Design and performance of high-speed avalanche photodiodes for 100-Gb/s systems and beyond,” J. Lightwave Technol. 33(5), 984–990 (2015).
    [Crossref]
  4. Y. Doi, M. Oguma, T. Yoshimatsu, T. Ohno, I. Ogawa, E. Yoshida, T. Hashimoto, and H. Sanjo, “Compact high-responsivity receiver optical subassembly with a multimode-output-arrayed waveguide grating for 100-Gb/s Ethernet,” J. Lightwave Technol. 33(15), 3286–3292 (2015).
    [Crossref]
  5. N. Keil, H. H. Yao, C. Zawadzki, W. Schlaak, M. Möhrle, and N. Grote, “Polymer optical motherboard technology,” in Proceedings of European Conference on Integrated Optics (2007), paper ThD2.
  6. B. Pezeshki, J. Heanue, D. Ton, T. Schrans, S. Rangarajan, S. Zou, G. W. Yoffe, A. Liu, M. Sherback, J. Kubicky, and P. Ludwig, “High performance MEMS-based micro-optic assembly for multi-lane transceivers,” J. Lightwave Technol. 32(16), 2796–2799 (2014).
    [Crossref]
  7. J. K. Lee, J. Y. Huh, S.-K. Kang, and Y.-S. Jang, “Analysis of dimensional tolerance for an optical demultiplexer of a highly alignment tolerant 4 × 25 Gb/s ROSA module,” Opt. Express 22(4), 4307–4315 (2014).
    [Crossref] [PubMed]
  8. G. E. Tangdiongga, T. G. Lim, J. Li, C. W. Tan, P. V. Ramana, Y. Y. Chai, S. Maruo, and J. H.-S. Lau, “Optical design of 4-channel TOSA/ROSA for CWDM applications,” Proc. SPIE 6899, 68990I (2008).
    [Crossref]
  9. H. Aruga, K. Mochizuki, H. Itamoto, R. Takemura, K. Yamagishi, M. Nakaji, and A. Sugitatsu, “Four-channel 25Gbps optical receiver for 100Gbps Ethernet with built-in demultiplexer optics,” in Proceedings of European Conference on Optical Communication (2010), paper Th.10.D.4.
    [Crossref]
  10. Y. Fujimura and F. Nakajima, “Receiver optical module for receiving wavelength multiplexed optical signal,” United States patent 14/0346323 (November 27, 2014).
  11. CFP multi-source agreement, “CFP4 hardware specification revision 1.1,” (2015), http://www.cfp-msa.org/Documents/CFP-MSA_CFP4_HW-Spec-rev1.1.pdf .
  12. S. F. F. Committee, “QSFP+ 28 Gb/s 4X pluggable transceiver solution (QSFP28),” (2015), ftp://ftp.seagate.com/sff/SFF-8665.PDF.
  13. S.-K. Kang, J. K. Lee, J. Y. Huh, J. H. Lee, and S. M. Kim, “Receptacle collimator and multi-wavelength optical receiving module including the same,” United States patent 15/010657 (January 29, 2016).
  14. J. K. Lee, S.-K. Kang, J. Y. Huh, K. Kim, and J. Lee, “Multi-wavelength optical signal receiving apparatus and method,” United States patent 9360641 (June 7, 2016).
  15. T. Murao, N. Yasui, K. Mochizuki, M. Shimono, H. Kodera, D. Morita, T. Yamatoya, and H. Aruga, “Lens alignment technique using high-power laser for hybrid integrated multi-channel transmitter optical sub-assemblies,” IEEE Photonics Technol. Lett. 25(20), 1958–1960 (2013).
    [Crossref]
  16. T. Ohyama, Y. Doi, W. Kobayashi, S. Kanazawa, T. Tanaka, K. Takahata, A. Kanda, T. Kurosaki, T. Ohno, H. Sanjoh, and T. Hashimoto, “Compact hybrid-integrated 100-Gb/s TOSA using EADFB laser array and AWG multiplexer,” IEEE Photonics Technol. Lett. 28(7), 802–805 (2016).
    [Crossref]
  17. S.-K. Kang, J. K. Lee, J. Y. Huh, J. C. Lee, K. Kim, and J. Lee, “A cost-effective 40-Gb/s ROSA module employing compact TO-CAN package,” ETRI J. 35(1), 1–6 (2013).
    [Crossref]
  18. M. Huang, P. Cai, S. Li, L. Wang, T. Su, L. Zhao, W. Chen, C. Hong, and D. Pan, “Breakthrough of 25Gb/s germanium on silicon avalanche photodiode,” in Proceedings of Optical Fiber Communication Conference (Optical Society of America, 2016), paper Tu2D.2.
    [Crossref]

2016 (1)

T. Ohyama, Y. Doi, W. Kobayashi, S. Kanazawa, T. Tanaka, K. Takahata, A. Kanda, T. Kurosaki, T. Ohno, H. Sanjoh, and T. Hashimoto, “Compact hybrid-integrated 100-Gb/s TOSA using EADFB laser array and AWG multiplexer,” IEEE Photonics Technol. Lett. 28(7), 802–805 (2016).
[Crossref]

2015 (2)

2014 (2)

2013 (2)

S.-K. Kang, J. K. Lee, J. Y. Huh, J. C. Lee, K. Kim, and J. Lee, “A cost-effective 40-Gb/s ROSA module employing compact TO-CAN package,” ETRI J. 35(1), 1–6 (2013).
[Crossref]

T. Murao, N. Yasui, K. Mochizuki, M. Shimono, H. Kodera, D. Morita, T. Yamatoya, and H. Aruga, “Lens alignment technique using high-power laser for hybrid integrated multi-channel transmitter optical sub-assemblies,” IEEE Photonics Technol. Lett. 25(20), 1958–1960 (2013).
[Crossref]

2008 (1)

G. E. Tangdiongga, T. G. Lim, J. Li, C. W. Tan, P. V. Ramana, Y. Y. Chai, S. Maruo, and J. H.-S. Lau, “Optical design of 4-channel TOSA/ROSA for CWDM applications,” Proc. SPIE 6899, 68990I (2008).
[Crossref]

Aruga, H.

T. Murao, N. Yasui, K. Mochizuki, M. Shimono, H. Kodera, D. Morita, T. Yamatoya, and H. Aruga, “Lens alignment technique using high-power laser for hybrid integrated multi-channel transmitter optical sub-assemblies,” IEEE Photonics Technol. Lett. 25(20), 1958–1960 (2013).
[Crossref]

Cai, P.

M. Huang, P. Cai, S. Li, L. Wang, T. Su, L. Zhao, W. Chen, C. Hong, and D. Pan, “Breakthrough of 25Gb/s germanium on silicon avalanche photodiode,” in Proceedings of Optical Fiber Communication Conference (Optical Society of America, 2016), paper Tu2D.2.
[Crossref]

Chai, Y. Y.

G. E. Tangdiongga, T. G. Lim, J. Li, C. W. Tan, P. V. Ramana, Y. Y. Chai, S. Maruo, and J. H.-S. Lau, “Optical design of 4-channel TOSA/ROSA for CWDM applications,” Proc. SPIE 6899, 68990I (2008).
[Crossref]

Chen, W.

M. Huang, P. Cai, S. Li, L. Wang, T. Su, L. Zhao, W. Chen, C. Hong, and D. Pan, “Breakthrough of 25Gb/s germanium on silicon avalanche photodiode,” in Proceedings of Optical Fiber Communication Conference (Optical Society of America, 2016), paper Tu2D.2.
[Crossref]

Doi, Y.

T. Ohyama, Y. Doi, W. Kobayashi, S. Kanazawa, T. Tanaka, K. Takahata, A. Kanda, T. Kurosaki, T. Ohno, H. Sanjoh, and T. Hashimoto, “Compact hybrid-integrated 100-Gb/s TOSA using EADFB laser array and AWG multiplexer,” IEEE Photonics Technol. Lett. 28(7), 802–805 (2016).
[Crossref]

Y. Doi, M. Oguma, T. Yoshimatsu, T. Ohno, I. Ogawa, E. Yoshida, T. Hashimoto, and H. Sanjo, “Compact high-responsivity receiver optical subassembly with a multimode-output-arrayed waveguide grating for 100-Gb/s Ethernet,” J. Lightwave Technol. 33(15), 3286–3292 (2015).
[Crossref]

Hashimoto, T.

T. Ohyama, Y. Doi, W. Kobayashi, S. Kanazawa, T. Tanaka, K. Takahata, A. Kanda, T. Kurosaki, T. Ohno, H. Sanjoh, and T. Hashimoto, “Compact hybrid-integrated 100-Gb/s TOSA using EADFB laser array and AWG multiplexer,” IEEE Photonics Technol. Lett. 28(7), 802–805 (2016).
[Crossref]

Y. Doi, M. Oguma, T. Yoshimatsu, T. Ohno, I. Ogawa, E. Yoshida, T. Hashimoto, and H. Sanjo, “Compact high-responsivity receiver optical subassembly with a multimode-output-arrayed waveguide grating for 100-Gb/s Ethernet,” J. Lightwave Technol. 33(15), 3286–3292 (2015).
[Crossref]

Heanue, J.

Hong, C.

M. Huang, P. Cai, S. Li, L. Wang, T. Su, L. Zhao, W. Chen, C. Hong, and D. Pan, “Breakthrough of 25Gb/s germanium on silicon avalanche photodiode,” in Proceedings of Optical Fiber Communication Conference (Optical Society of America, 2016), paper Tu2D.2.
[Crossref]

Huang, M.

M. Huang, P. Cai, S. Li, L. Wang, T. Su, L. Zhao, W. Chen, C. Hong, and D. Pan, “Breakthrough of 25Gb/s germanium on silicon avalanche photodiode,” in Proceedings of Optical Fiber Communication Conference (Optical Society of America, 2016), paper Tu2D.2.
[Crossref]

Huh, J. Y.

J. K. Lee, J. Y. Huh, S.-K. Kang, and Y.-S. Jang, “Analysis of dimensional tolerance for an optical demultiplexer of a highly alignment tolerant 4 × 25 Gb/s ROSA module,” Opt. Express 22(4), 4307–4315 (2014).
[Crossref] [PubMed]

S.-K. Kang, J. K. Lee, J. Y. Huh, J. C. Lee, K. Kim, and J. Lee, “A cost-effective 40-Gb/s ROSA module employing compact TO-CAN package,” ETRI J. 35(1), 1–6 (2013).
[Crossref]

Jang, Y.-S.

Kanazawa, S.

T. Ohyama, Y. Doi, W. Kobayashi, S. Kanazawa, T. Tanaka, K. Takahata, A. Kanda, T. Kurosaki, T. Ohno, H. Sanjoh, and T. Hashimoto, “Compact hybrid-integrated 100-Gb/s TOSA using EADFB laser array and AWG multiplexer,” IEEE Photonics Technol. Lett. 28(7), 802–805 (2016).
[Crossref]

Kanda, A.

T. Ohyama, Y. Doi, W. Kobayashi, S. Kanazawa, T. Tanaka, K. Takahata, A. Kanda, T. Kurosaki, T. Ohno, H. Sanjoh, and T. Hashimoto, “Compact hybrid-integrated 100-Gb/s TOSA using EADFB laser array and AWG multiplexer,” IEEE Photonics Technol. Lett. 28(7), 802–805 (2016).
[Crossref]

Kang, S.-K.

J. K. Lee, J. Y. Huh, S.-K. Kang, and Y.-S. Jang, “Analysis of dimensional tolerance for an optical demultiplexer of a highly alignment tolerant 4 × 25 Gb/s ROSA module,” Opt. Express 22(4), 4307–4315 (2014).
[Crossref] [PubMed]

S.-K. Kang, J. K. Lee, J. Y. Huh, J. C. Lee, K. Kim, and J. Lee, “A cost-effective 40-Gb/s ROSA module employing compact TO-CAN package,” ETRI J. 35(1), 1–6 (2013).
[Crossref]

Kim, K.

S.-K. Kang, J. K. Lee, J. Y. Huh, J. C. Lee, K. Kim, and J. Lee, “A cost-effective 40-Gb/s ROSA module employing compact TO-CAN package,” ETRI J. 35(1), 1–6 (2013).
[Crossref]

Kobayashi, W.

T. Ohyama, Y. Doi, W. Kobayashi, S. Kanazawa, T. Tanaka, K. Takahata, A. Kanda, T. Kurosaki, T. Ohno, H. Sanjoh, and T. Hashimoto, “Compact hybrid-integrated 100-Gb/s TOSA using EADFB laser array and AWG multiplexer,” IEEE Photonics Technol. Lett. 28(7), 802–805 (2016).
[Crossref]

Kodera, H.

T. Murao, N. Yasui, K. Mochizuki, M. Shimono, H. Kodera, D. Morita, T. Yamatoya, and H. Aruga, “Lens alignment technique using high-power laser for hybrid integrated multi-channel transmitter optical sub-assemblies,” IEEE Photonics Technol. Lett. 25(20), 1958–1960 (2013).
[Crossref]

Kubicky, J.

Kurosaki, T.

T. Ohyama, Y. Doi, W. Kobayashi, S. Kanazawa, T. Tanaka, K. Takahata, A. Kanda, T. Kurosaki, T. Ohno, H. Sanjoh, and T. Hashimoto, “Compact hybrid-integrated 100-Gb/s TOSA using EADFB laser array and AWG multiplexer,” IEEE Photonics Technol. Lett. 28(7), 802–805 (2016).
[Crossref]

Lau, J. H.-S.

G. E. Tangdiongga, T. G. Lim, J. Li, C. W. Tan, P. V. Ramana, Y. Y. Chai, S. Maruo, and J. H.-S. Lau, “Optical design of 4-channel TOSA/ROSA for CWDM applications,” Proc. SPIE 6899, 68990I (2008).
[Crossref]

Lee, J.

S.-K. Kang, J. K. Lee, J. Y. Huh, J. C. Lee, K. Kim, and J. Lee, “A cost-effective 40-Gb/s ROSA module employing compact TO-CAN package,” ETRI J. 35(1), 1–6 (2013).
[Crossref]

Lee, J. C.

S.-K. Kang, J. K. Lee, J. Y. Huh, J. C. Lee, K. Kim, and J. Lee, “A cost-effective 40-Gb/s ROSA module employing compact TO-CAN package,” ETRI J. 35(1), 1–6 (2013).
[Crossref]

Lee, J. K.

J. K. Lee, J. Y. Huh, S.-K. Kang, and Y.-S. Jang, “Analysis of dimensional tolerance for an optical demultiplexer of a highly alignment tolerant 4 × 25 Gb/s ROSA module,” Opt. Express 22(4), 4307–4315 (2014).
[Crossref] [PubMed]

S.-K. Kang, J. K. Lee, J. Y. Huh, J. C. Lee, K. Kim, and J. Lee, “A cost-effective 40-Gb/s ROSA module employing compact TO-CAN package,” ETRI J. 35(1), 1–6 (2013).
[Crossref]

Li, J.

G. E. Tangdiongga, T. G. Lim, J. Li, C. W. Tan, P. V. Ramana, Y. Y. Chai, S. Maruo, and J. H.-S. Lau, “Optical design of 4-channel TOSA/ROSA for CWDM applications,” Proc. SPIE 6899, 68990I (2008).
[Crossref]

Li, S.

M. Huang, P. Cai, S. Li, L. Wang, T. Su, L. Zhao, W. Chen, C. Hong, and D. Pan, “Breakthrough of 25Gb/s germanium on silicon avalanche photodiode,” in Proceedings of Optical Fiber Communication Conference (Optical Society of America, 2016), paper Tu2D.2.
[Crossref]

Lim, T. G.

G. E. Tangdiongga, T. G. Lim, J. Li, C. W. Tan, P. V. Ramana, Y. Y. Chai, S. Maruo, and J. H.-S. Lau, “Optical design of 4-channel TOSA/ROSA for CWDM applications,” Proc. SPIE 6899, 68990I (2008).
[Crossref]

Liu, A.

Ludwig, P.

Maruo, S.

G. E. Tangdiongga, T. G. Lim, J. Li, C. W. Tan, P. V. Ramana, Y. Y. Chai, S. Maruo, and J. H.-S. Lau, “Optical design of 4-channel TOSA/ROSA for CWDM applications,” Proc. SPIE 6899, 68990I (2008).
[Crossref]

Matsuzaki, H.

Mochizuki, K.

T. Murao, N. Yasui, K. Mochizuki, M. Shimono, H. Kodera, D. Morita, T. Yamatoya, and H. Aruga, “Lens alignment technique using high-power laser for hybrid integrated multi-channel transmitter optical sub-assemblies,” IEEE Photonics Technol. Lett. 25(20), 1958–1960 (2013).
[Crossref]

Morita, D.

T. Murao, N. Yasui, K. Mochizuki, M. Shimono, H. Kodera, D. Morita, T. Yamatoya, and H. Aruga, “Lens alignment technique using high-power laser for hybrid integrated multi-channel transmitter optical sub-assemblies,” IEEE Photonics Technol. Lett. 25(20), 1958–1960 (2013).
[Crossref]

Muramoto, Y.

Murao, T.

T. Murao, N. Yasui, K. Mochizuki, M. Shimono, H. Kodera, D. Morita, T. Yamatoya, and H. Aruga, “Lens alignment technique using high-power laser for hybrid integrated multi-channel transmitter optical sub-assemblies,” IEEE Photonics Technol. Lett. 25(20), 1958–1960 (2013).
[Crossref]

Nada, M.

Ogawa, I.

Oguma, M.

Ohno, T.

T. Ohyama, Y. Doi, W. Kobayashi, S. Kanazawa, T. Tanaka, K. Takahata, A. Kanda, T. Kurosaki, T. Ohno, H. Sanjoh, and T. Hashimoto, “Compact hybrid-integrated 100-Gb/s TOSA using EADFB laser array and AWG multiplexer,” IEEE Photonics Technol. Lett. 28(7), 802–805 (2016).
[Crossref]

Y. Doi, M. Oguma, T. Yoshimatsu, T. Ohno, I. Ogawa, E. Yoshida, T. Hashimoto, and H. Sanjo, “Compact high-responsivity receiver optical subassembly with a multimode-output-arrayed waveguide grating for 100-Gb/s Ethernet,” J. Lightwave Technol. 33(15), 3286–3292 (2015).
[Crossref]

Ohyama, T.

T. Ohyama, Y. Doi, W. Kobayashi, S. Kanazawa, T. Tanaka, K. Takahata, A. Kanda, T. Kurosaki, T. Ohno, H. Sanjoh, and T. Hashimoto, “Compact hybrid-integrated 100-Gb/s TOSA using EADFB laser array and AWG multiplexer,” IEEE Photonics Technol. Lett. 28(7), 802–805 (2016).
[Crossref]

Pan, D.

M. Huang, P. Cai, S. Li, L. Wang, T. Su, L. Zhao, W. Chen, C. Hong, and D. Pan, “Breakthrough of 25Gb/s germanium on silicon avalanche photodiode,” in Proceedings of Optical Fiber Communication Conference (Optical Society of America, 2016), paper Tu2D.2.
[Crossref]

Pezeshki, B.

Ramana, P. V.

G. E. Tangdiongga, T. G. Lim, J. Li, C. W. Tan, P. V. Ramana, Y. Y. Chai, S. Maruo, and J. H.-S. Lau, “Optical design of 4-channel TOSA/ROSA for CWDM applications,” Proc. SPIE 6899, 68990I (2008).
[Crossref]

Rangarajan, S.

Sanjo, H.

Sanjoh, H.

T. Ohyama, Y. Doi, W. Kobayashi, S. Kanazawa, T. Tanaka, K. Takahata, A. Kanda, T. Kurosaki, T. Ohno, H. Sanjoh, and T. Hashimoto, “Compact hybrid-integrated 100-Gb/s TOSA using EADFB laser array and AWG multiplexer,” IEEE Photonics Technol. Lett. 28(7), 802–805 (2016).
[Crossref]

Schrans, T.

Sherback, M.

Shimono, M.

T. Murao, N. Yasui, K. Mochizuki, M. Shimono, H. Kodera, D. Morita, T. Yamatoya, and H. Aruga, “Lens alignment technique using high-power laser for hybrid integrated multi-channel transmitter optical sub-assemblies,” IEEE Photonics Technol. Lett. 25(20), 1958–1960 (2013).
[Crossref]

Su, T.

M. Huang, P. Cai, S. Li, L. Wang, T. Su, L. Zhao, W. Chen, C. Hong, and D. Pan, “Breakthrough of 25Gb/s germanium on silicon avalanche photodiode,” in Proceedings of Optical Fiber Communication Conference (Optical Society of America, 2016), paper Tu2D.2.
[Crossref]

Takahata, K.

T. Ohyama, Y. Doi, W. Kobayashi, S. Kanazawa, T. Tanaka, K. Takahata, A. Kanda, T. Kurosaki, T. Ohno, H. Sanjoh, and T. Hashimoto, “Compact hybrid-integrated 100-Gb/s TOSA using EADFB laser array and AWG multiplexer,” IEEE Photonics Technol. Lett. 28(7), 802–805 (2016).
[Crossref]

Tan, C. W.

G. E. Tangdiongga, T. G. Lim, J. Li, C. W. Tan, P. V. Ramana, Y. Y. Chai, S. Maruo, and J. H.-S. Lau, “Optical design of 4-channel TOSA/ROSA for CWDM applications,” Proc. SPIE 6899, 68990I (2008).
[Crossref]

Tanaka, T.

T. Ohyama, Y. Doi, W. Kobayashi, S. Kanazawa, T. Tanaka, K. Takahata, A. Kanda, T. Kurosaki, T. Ohno, H. Sanjoh, and T. Hashimoto, “Compact hybrid-integrated 100-Gb/s TOSA using EADFB laser array and AWG multiplexer,” IEEE Photonics Technol. Lett. 28(7), 802–805 (2016).
[Crossref]

Tangdiongga, G. E.

G. E. Tangdiongga, T. G. Lim, J. Li, C. W. Tan, P. V. Ramana, Y. Y. Chai, S. Maruo, and J. H.-S. Lau, “Optical design of 4-channel TOSA/ROSA for CWDM applications,” Proc. SPIE 6899, 68990I (2008).
[Crossref]

Ton, D.

Wang, L.

M. Huang, P. Cai, S. Li, L. Wang, T. Su, L. Zhao, W. Chen, C. Hong, and D. Pan, “Breakthrough of 25Gb/s germanium on silicon avalanche photodiode,” in Proceedings of Optical Fiber Communication Conference (Optical Society of America, 2016), paper Tu2D.2.
[Crossref]

Yamatoya, T.

T. Murao, N. Yasui, K. Mochizuki, M. Shimono, H. Kodera, D. Morita, T. Yamatoya, and H. Aruga, “Lens alignment technique using high-power laser for hybrid integrated multi-channel transmitter optical sub-assemblies,” IEEE Photonics Technol. Lett. 25(20), 1958–1960 (2013).
[Crossref]

Yasui, N.

T. Murao, N. Yasui, K. Mochizuki, M. Shimono, H. Kodera, D. Morita, T. Yamatoya, and H. Aruga, “Lens alignment technique using high-power laser for hybrid integrated multi-channel transmitter optical sub-assemblies,” IEEE Photonics Technol. Lett. 25(20), 1958–1960 (2013).
[Crossref]

Yoffe, G. W.

Yokoyama, H.

Yoshida, E.

Yoshimatsu, T.

Zhao, L.

M. Huang, P. Cai, S. Li, L. Wang, T. Su, L. Zhao, W. Chen, C. Hong, and D. Pan, “Breakthrough of 25Gb/s germanium on silicon avalanche photodiode,” in Proceedings of Optical Fiber Communication Conference (Optical Society of America, 2016), paper Tu2D.2.
[Crossref]

Zou, S.

ETRI J. (1)

S.-K. Kang, J. K. Lee, J. Y. Huh, J. C. Lee, K. Kim, and J. Lee, “A cost-effective 40-Gb/s ROSA module employing compact TO-CAN package,” ETRI J. 35(1), 1–6 (2013).
[Crossref]

IEEE Photonics Technol. Lett. (2)

T. Murao, N. Yasui, K. Mochizuki, M. Shimono, H. Kodera, D. Morita, T. Yamatoya, and H. Aruga, “Lens alignment technique using high-power laser for hybrid integrated multi-channel transmitter optical sub-assemblies,” IEEE Photonics Technol. Lett. 25(20), 1958–1960 (2013).
[Crossref]

T. Ohyama, Y. Doi, W. Kobayashi, S. Kanazawa, T. Tanaka, K. Takahata, A. Kanda, T. Kurosaki, T. Ohno, H. Sanjoh, and T. Hashimoto, “Compact hybrid-integrated 100-Gb/s TOSA using EADFB laser array and AWG multiplexer,” IEEE Photonics Technol. Lett. 28(7), 802–805 (2016).
[Crossref]

J. Lightwave Technol. (3)

Opt. Express (1)

Proc. SPIE (1)

G. E. Tangdiongga, T. G. Lim, J. Li, C. W. Tan, P. V. Ramana, Y. Y. Chai, S. Maruo, and J. H.-S. Lau, “Optical design of 4-channel TOSA/ROSA for CWDM applications,” Proc. SPIE 6899, 68990I (2008).
[Crossref]

Other (10)

H. Aruga, K. Mochizuki, H. Itamoto, R. Takemura, K. Yamagishi, M. Nakaji, and A. Sugitatsu, “Four-channel 25Gbps optical receiver for 100Gbps Ethernet with built-in demultiplexer optics,” in Proceedings of European Conference on Optical Communication (2010), paper Th.10.D.4.
[Crossref]

Y. Fujimura and F. Nakajima, “Receiver optical module for receiving wavelength multiplexed optical signal,” United States patent 14/0346323 (November 27, 2014).

CFP multi-source agreement, “CFP4 hardware specification revision 1.1,” (2015), http://www.cfp-msa.org/Documents/CFP-MSA_CFP4_HW-Spec-rev1.1.pdf .

S. F. F. Committee, “QSFP+ 28 Gb/s 4X pluggable transceiver solution (QSFP28),” (2015), ftp://ftp.seagate.com/sff/SFF-8665.PDF.

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Figures (10)

Fig. 1
Fig. 1 (a) Block diagram of the 4 × 25-Gbps APD-ROSA. (b) Proposed Structure of 4 × 25-Gb/s APD-ROSA. (c) Schematic diagram of a TFF-based DMUX.
Fig. 2
Fig. 2 (a) Optical beam diameter as a function of the propagation distance from a receptacle. (Inset: Fabricated receptacle.) (b) Power penalty as a function of the distance between a receptacle and an APD block. (Inset: Responsivity as a function of the reverse bias voltage of APD.)
Fig. 3
Fig. 3 (a) and (b) Experimental schematic for measuring the tolerance of the axial and the lateral misalignment between the fiber stub & the collimating lens, respectively. (c) and (d) Measurement of the optical beam diameters at the propagation distance of 15 mm from a collimating lens for the axial and the lateral misalignment between the fiber stub & the collimating lens, respectively.
Fig. 4
Fig. 4 (a) and (b) Experimental schematic for measuring the tolerance of the axial and the lateral misalignment between the focusing lens and the APD, respectively. (c) and (d) Measurement of the coupling efficiency of the APD for the axial and the lateral misalignment between the focusing lens and the APD, respectively.
Fig. 5
Fig. 5 Experimental schematic for measuring the alignment tolerance of a receptacle, a TFF-based DMUX and an APD block.
Fig. 6
Fig. 6 Measurement of relative responsivities for four lanes while only moving the APD block in the direction of (a) X-axis and (b) Y-axis, with fixing the receptacle and the DMUX.
Fig. 7
Fig. 7 Measurement of relative responsivity for four lanes while moving the receptacle in the direction of (a) X-axis and (b) Y-axis, with fixing the DMUX and the APD block.
Fig. 8
Fig. 8 Measurement of relative responsivity for four lanes while moving the DMUX in the direction of (a) X-axis and (b) Y-axis, with fixing the receptacle and the APD block. (Inset: Left side view of the DMUX, as shown in Fig. 1(c).)
Fig. 9
Fig. 9 (a) Prototype of the 4 × 25-Gbps APD-ROSA. (b) Optical bandwidth of the 4 × 25-Gbps APD-ROSA.
Fig. 10
Fig. 10 (a) Performance of the ROSA at back-to-back link and 60-km SSMF transmission. (b) Measurement of electrical eye diagrams with the ROSA for four lanes in back-to-back link, when the optical power of each lane was –20 dBm.

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