Abstract

The bandwidth limit of devices and the chromatic dispersion (CD) of optical fiber severely distort the high-speed signal in a passive optical network (PON). In this paper, an efficient equalization scheme is proposed for optical amplified 50-Gb/s PAM4-PON with a 10G-class transmitter. The proposed equalization scheme is based on fast frequency domain equalization (FDE) with circular convolution, an optimized post-filter, and a low-complexity maximum likelihood sequence detector (MLSD), which requires only total 23 real-valued multiplications for each output symbol. Experimental results show that up to 33.2 dB power budget is successfully achieved over 20 km transmission without using any optical CD compensation module in the C-band. Moreover, there is only 0.5 dB penalty of receiver sensitivity compared to optical back to back (BTB) transmission. Therefore, the CD distortion has been nearly compensated for by the proposed equalization scheme. To the best of our knowledge, this is the best performance of an optical amplified 50-Gb/s PAM4-PON system in the C-band.

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

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2018 (8)

S. Zhou, X. Liu, F. Effenberger, and J. Chao, “Low-latency High-Efficiency Mobile Fronthaul With TDM-PON (Mobile-PON),” J. Opt. Commun. Netw. 10(1), A20–A26 (2018).
[Crossref]

V. Houtsma and D. van Veen, “Bi-Directional 25G/50G TDM-PON With Extended Power Budget Using 25G APD and Coherent Detection,” J. Lightwave Technol. 36(1), 122–127 (2018).

L. Xue, L. Yi, H. Ji, P. Li, and W. Hu, “Symmetric 100-Gb/s TWDM-PON in O-Band Based on 10G-Class Optical Devices Enabled by Dispersion-Supported Equalization,” J. Lightwave Technol. 36(2), 580–586 (2018).
[Crossref]

X. Tang, J. Zhou, M. Guo, J. Qi, S. Liu, X. Xu, Y. Lu, and Y. Qiao, “Experimental Demonstration of 40-Gb/s I-SC-FDM With 10G-Class Optics and Low-Complexity DSP for Next-Generation PON,” IEEE Photonics J. 10(3), 7202509 (2018).
[Crossref]

J. Wei and E. Giacoumidis, “Multi-band CAP for Next-Generation Optical Access Networks Using 10-G Optics,” J. Lightwave Technol. 36(2), 551–559 (2018).
[Crossref]

X. Chen, C. Antonelli, S. Chandrasekhar, G. Raybon, A. Mecozzi, M. Shtaif, and P. Winzer, “Kramers–Kronig Receivers for 100-km Datacenter Interconnects,” J. Lightwave Technol. 36(1), 79–89 (2018).
[Crossref]

K. Zhong, X. Zhou, J. Huo, C. Yu, C. Lu, and A. P. T. Lau, “Digital Signal Processing for Short-Reach Optical Communications: A Review of Current Technologies and Future Trends,” J. Lightwave Technol. 36(2), 377–400 (2018).
[Crossref]

T. Xu, Z. Li, J. Peng, A. Tan, Y. Song, Y. Li, J. Chen, and M. Wang, “Decoding of 10-G Optics-Based 50-Gb/s PAM-4 Signal Using Simplified MLSE,” IEEE Photonics J. 10(4), 7905508 (2018).
[Crossref]

2017 (8)

T. C. Tzu, Y. Hsu, C. Y. Chuang, X. Wu, C. W. Chow, J. Chen, C. H. Yeh, and H. K. Tsang, “Equalization of PAM-4 Signal Generated by Silicon Microring Modulator for 64-Gbit/s Transmission,” J. Lightwave Technol. 35(22), 4943–4948 (2017).
[Crossref]

Z. Li, J. Xia, Y. Guo, Y. Yin, Y. Li, Y. Song, J. Chen, and M. Wang, “Investigation on the equalization techniques for 10G-class optics enabled 25G-EPON,” Opt. Express 25(14), 16228–16234 (2017).
[Crossref] [PubMed]

X. Miao, M. Bi, Y. Fu, L. Li, and W. Hu, “Experimental Study of NRZ, Duobinary, and PAM-4 in O-Band DML-Based 100G-EPON,” IEEE Photonics Technol. Lett. 29(17), 1490–1493 (2017).
[Crossref]

S. Yin, V. Houtsma, D. van Veen, and P. Vetter, “Optical Amplified 40-Gbps Symmetrical TDM-PON Using 10-Gbps Optics and DSP,” J. Lightwave Technol. 35(4), 1067–1074 (2017).
[Crossref]

V. Houtsma and D. van Veen, “A Study of Options for High-Speed TDM-PON Beyond 10G,” J. Lightwave Technol. 35(4), 1059–1066 (2017).
[Crossref]

H. Ji, L. Yi, Z. Li, L. Xue, X. Li, Q. Yang, S. Wang, Y. Yang, S. Yu, and W. Hu, “Field Demonstration of a Real-Time 100-Gb/s PON Based on 10G-Class Optical Devices,” J. Lightwave Technol. 35(10), 1914–1921 (2017).
[Crossref]

D. Nesset, “PON roadmap [invited],” J. Opt. Commun. Netw. 9(1), A71–A76 (2017).
[Crossref]

J. Kani, J. Terada, K. Suzuki, and A. Otaka, “Solutions for Future Mobile Fronthaul and Access-Network Convergence,” J. Lightwave Technol. 35(3), 527–534 (2017).

2016 (4)

2012 (1)

2005 (1)

1987 (1)

H. Sorensen, D. Jones, M. Heideman, and C. Burrus, “Real-valued fast Fourier transform algorithms,” IEEE Trans. Acoust. Speech Sig. Process..  35(6), 849–863 (1987).
[Crossref]

Agazzi, O. E.

Andrekson, P. A.

Antonelli, C.

Bi, M.

X. Miao, M. Bi, Y. Fu, L. Li, and W. Hu, “Experimental Study of NRZ, Duobinary, and PAM-4 in O-Band DML-Based 100G-EPON,” IEEE Photonics Technol. Lett. 29(17), 1490–1493 (2017).
[Crossref]

Burrus, C.

H. Sorensen, D. Jones, M. Heideman, and C. Burrus, “Real-valued fast Fourier transform algorithms,” IEEE Trans. Acoust. Speech Sig. Process..  35(6), 849–863 (1987).
[Crossref]

Carrer, Hugo S.

Chandrasekhar, S.

Chao, J.

Chen, C.

C. Chen, X. Tang, and Z. Zhang, “Transmission of 56-Gb/s PAM-4 over 26-km Single Mode Fiber Using Maximum Likelihood Sequence Estimation,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2015), paper Th4A.5.
[Crossref]

Chen, J.

Chen, X.

Chow, C. W.

Chow, H.

Chuang, C. Y.

Crivelli, Diego E.

Dang, J.

T. Ye, J. Zhang, J. Dang, Y. Song, X. Yi, C. Yu, and K. Qiu, “Experimental Demonstration of 50 Gb/s PAM-4 Transmission Over 50-km SSMF Using 10-GHz DML,” in Asia Communications and Photonics Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper ATh3C.4.

Effenberger, F.

Eiselt, M. H.

Eiselt, N.

Elbers, J.-P.

Eriksson, T.

Fan, S.

K. Zhang, Q. Zhuge, H. Xin, Z. Xing, M. Xiang, S. Fan, L. Yi, W. Hu, and D. V. Plant, “Demonstration of 50Gb/s/λ Symmetric PAM4 TDM-PON with 10G-class Optics and DSP-free ONUs in the O-band,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.5.

Fu, Y.

X. Miao, M. Bi, Y. Fu, L. Li, and W. Hu, “Experimental Study of NRZ, Duobinary, and PAM-4 in O-Band DML-Based 100G-EPON,” IEEE Photonics Technol. Lett. 29(17), 1490–1493 (2017).
[Crossref]

Giacoumidis, E.

J. Wei and E. Giacoumidis, “Multi-band CAP for Next-Generation Optical Access Networks Using 10-G Optics,” J. Lightwave Technol. 36(2), 551–559 (2018).
[Crossref]

J. Wei and E. Giacoumidis, “40 Gb/s/λ optical amplified PAM-4 PON with transmission over 30 km SMF using 10-G Optics and simple DSP,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017) paper Tu3G.3.
[Crossref]

Griesser, H.

Grobe, K.

Guo, M.

X. Tang, J. Zhou, M. Guo, J. Qi, S. Liu, X. Xu, Y. Lu, and Y. Qiao, “Experimental Demonstration of 40-Gb/s I-SC-FDM With 10G-Class Optics and Low-Complexity DSP for Next-Generation PON,” IEEE Photonics J. 10(3), 7202509 (2018).
[Crossref]

J. Zhou, F. Xu, E. Sun, T. Zhang, Z. Zhang, M. Guo, X. Tang, Z. Wang, and Y. Qiao, “Coherent Optical Interleaved SC-FDM Uplink Scheme for Long-Reach Passive Optical Network,” IEEE Photonics J. 8(2), 7902208 (2016).
[Crossref]

Guo, Y.

Z. Li, J. Xia, Y. Guo, Y. Yin, Y. Li, Y. Song, J. Chen, and M. Wang, “Investigation on the equalization techniques for 10G-class optics enabled 25G-EPON,” Opt. Express 25(14), 16228–16234 (2017).
[Crossref] [PubMed]

J. Zhang, J. S. Wey, J. Yu, Z. Tu, B. Yang, W. Yang, Y. Guo, X. Huang, and Z. Ma, “Symmetrical 50-Gb/s/λ PAM-4 TDM-PON in O-band with DSP and Semiconductor Optical Amplifier Supporting PR-30 Link Loss Budget,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.4.

J. Zhang, J. Yu, J. Shi, J. S. Wey, X. Huang, Y. Guo, Z. Ma, and M. Li, “64-Gb/s/λ Downstream Transmission for PAM-4 TDM-PON with Centralized DSP and 10G Low-Complexity Receiver in C-Band,” in Proceedings of European Conference on Optical Communication (ECOC2017), pp 1–3.

Harstead, E.

Heideman, M.

H. Sorensen, D. Jones, M. Heideman, and C. Burrus, “Real-valued fast Fourier transform algorithms,” IEEE Trans. Acoust. Speech Sig. Process..  35(6), 849–863 (1987).
[Crossref]

Houtsma, V.

Hsu, Y.

Hu, W.

L. Xue, L. Yi, H. Ji, P. Li, and W. Hu, “Symmetric 100-Gb/s TWDM-PON in O-Band Based on 10G-Class Optical Devices Enabled by Dispersion-Supported Equalization,” J. Lightwave Technol. 36(2), 580–586 (2018).
[Crossref]

H. Ji, L. Yi, Z. Li, L. Xue, X. Li, Q. Yang, S. Wang, Y. Yang, S. Yu, and W. Hu, “Field Demonstration of a Real-Time 100-Gb/s PON Based on 10G-Class Optical Devices,” J. Lightwave Technol. 35(10), 1914–1921 (2017).
[Crossref]

X. Miao, M. Bi, Y. Fu, L. Li, and W. Hu, “Experimental Study of NRZ, Duobinary, and PAM-4 in O-Band DML-Based 100G-EPON,” IEEE Photonics Technol. Lett. 29(17), 1490–1493 (2017).
[Crossref]

K. Zhang, Q. Zhuge, H. Xin, Z. Xing, M. Xiang, S. Fan, L. Yi, W. Hu, and D. V. Plant, “Demonstration of 50Gb/s/λ Symmetric PAM4 TDM-PON with 10G-class Optics and DSP-free ONUs in the O-band,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.5.

Huang, X.

J. Zhang, J. S. Wey, J. Yu, Z. Tu, B. Yang, W. Yang, Y. Guo, X. Huang, and Z. Ma, “Symmetrical 50-Gb/s/λ PAM-4 TDM-PON in O-band with DSP and Semiconductor Optical Amplifier Supporting PR-30 Link Loss Budget,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.4.

J. Zhang, J. Yu, J. Shi, J. S. Wey, X. Huang, Y. Guo, Z. Ma, and M. Li, “64-Gb/s/λ Downstream Transmission for PAM-4 TDM-PON with Centralized DSP and 10G Low-Complexity Receiver in C-Band,” in Proceedings of European Conference on Optical Communication (ECOC2017), pp 1–3.

Hueda, Mario R.

Huo, J.

Ji, H.

Jones, D.

H. Sorensen, D. Jones, M. Heideman, and C. Burrus, “Real-valued fast Fourier transform algorithms,” IEEE Trans. Acoust. Speech Sig. Process..  35(6), 849–863 (1987).
[Crossref]

Kani, J.

Karlsson, M.

Lau, A. P. T.

Li, J.

Li, L.

X. Miao, M. Bi, Y. Fu, L. Li, and W. Hu, “Experimental Study of NRZ, Duobinary, and PAM-4 in O-Band DML-Based 100G-EPON,” IEEE Photonics Technol. Lett. 29(17), 1490–1493 (2017).
[Crossref]

Li, M.

J. Zhang, J. Yu, J. Shi, J. S. Wey, X. Huang, Y. Guo, Z. Ma, and M. Li, “64-Gb/s/λ Downstream Transmission for PAM-4 TDM-PON with Centralized DSP and 10G Low-Complexity Receiver in C-Band,” in Proceedings of European Conference on Optical Communication (ECOC2017), pp 1–3.

Li, P.

Li, S.

M. Tao, L. Zhou, H. Zeng, S. Li, and X. Liu, “50-Gb/s/λ-PON Based on 10G DML and 10G APD Supporting PR10 Link Loss Budget after 20-km Downstream Transmission in the O-band,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu3G.2.
[Crossref]

Li, X.

Li, Y.

T. Xu, Z. Li, J. Peng, A. Tan, Y. Song, Y. Li, J. Chen, and M. Wang, “Decoding of 10-G Optics-Based 50-Gb/s PAM-4 Signal Using Simplified MLSE,” IEEE Photonics J. 10(4), 7905508 (2018).
[Crossref]

Z. Li, J. Xia, Y. Guo, Y. Yin, Y. Li, Y. Song, J. Chen, and M. Wang, “Investigation on the equalization techniques for 10G-class optics enabled 25G-EPON,” Opt. Express 25(14), 16228–16234 (2017).
[Crossref] [PubMed]

Li, Z.

Liu, S.

X. Tang, J. Zhou, M. Guo, J. Qi, S. Liu, X. Xu, Y. Lu, and Y. Qiao, “Experimental Demonstration of 40-Gb/s I-SC-FDM With 10G-Class Optics and Low-Complexity DSP for Next-Generation PON,” IEEE Photonics J. 10(3), 7202509 (2018).
[Crossref]

Liu, X.

S. Zhou, X. Liu, F. Effenberger, and J. Chao, “Low-latency High-Efficiency Mobile Fronthaul With TDM-PON (Mobile-PON),” J. Opt. Commun. Netw. 10(1), A20–A26 (2018).
[Crossref]

M. Tao, L. Zhou, H. Zeng, S. Li, and X. Liu, “50-Gb/s/λ-PON Based on 10G DML and 10G APD Supporting PR10 Link Loss Budget after 20-km Downstream Transmission in the O-band,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu3G.2.
[Crossref]

Lu, C.

Lu, Y.

X. Tang, J. Zhou, M. Guo, J. Qi, S. Liu, X. Xu, Y. Lu, and Y. Qiao, “Experimental Demonstration of 40-Gb/s I-SC-FDM With 10G-Class Optics and Low-Complexity DSP for Next-Generation PON,” IEEE Photonics J. 10(3), 7202509 (2018).
[Crossref]

Ma, Z.

J. Zhang, J. S. Wey, J. Yu, Z. Tu, B. Yang, W. Yang, Y. Guo, X. Huang, and Z. Ma, “Symmetrical 50-Gb/s/λ PAM-4 TDM-PON in O-band with DSP and Semiconductor Optical Amplifier Supporting PR-30 Link Loss Budget,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.4.

J. Zhang, J. Yu, J. Shi, J. S. Wey, X. Huang, Y. Guo, Z. Ma, and M. Li, “64-Gb/s/λ Downstream Transmission for PAM-4 TDM-PON with Centralized DSP and 10G Low-Complexity Receiver in C-Band,” in Proceedings of European Conference on Optical Communication (ECOC2017), pp 1–3.

Mecozzi, A.

Miao, X.

X. Miao, M. Bi, Y. Fu, L. Li, and W. Hu, “Experimental Study of NRZ, Duobinary, and PAM-4 in O-Band DML-Based 100G-EPON,” IEEE Photonics Technol. Lett. 29(17), 1490–1493 (2017).
[Crossref]

Monroy, I. T.

Nesset, D.

Olmos, J. J. V.

Otaka, A.

Peng, J.

T. Xu, Z. Li, J. Peng, A. Tan, Y. Song, Y. Li, J. Chen, and M. Wang, “Decoding of 10-G Optics-Based 50-Gb/s PAM-4 Signal Using Simplified MLSE,” IEEE Photonics J. 10(4), 7905508 (2018).
[Crossref]

Plant, D. V.

K. Zhang, Q. Zhuge, H. Xin, Z. Xing, M. Xiang, S. Fan, L. Yi, W. Hu, and D. V. Plant, “Demonstration of 50Gb/s/λ Symmetric PAM4 TDM-PON with 10G-class Optics and DSP-free ONUs in the O-band,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.5.

Qi, J.

X. Tang, J. Zhou, M. Guo, J. Qi, S. Liu, X. Xu, Y. Lu, and Y. Qiao, “Experimental Demonstration of 40-Gb/s I-SC-FDM With 10G-Class Optics and Low-Complexity DSP for Next-Generation PON,” IEEE Photonics J. 10(3), 7202509 (2018).
[Crossref]

Qiao, Y.

X. Tang, J. Zhou, M. Guo, J. Qi, S. Liu, X. Xu, Y. Lu, and Y. Qiao, “Experimental Demonstration of 40-Gb/s I-SC-FDM With 10G-Class Optics and Low-Complexity DSP for Next-Generation PON,” IEEE Photonics J. 10(3), 7202509 (2018).
[Crossref]

J. Zhou, F. Xu, E. Sun, T. Zhang, Z. Zhang, M. Guo, X. Tang, Z. Wang, and Y. Qiao, “Coherent Optical Interleaved SC-FDM Uplink Scheme for Long-Reach Passive Optical Network,” IEEE Photonics J. 8(2), 7902208 (2016).
[Crossref]

Qiu, K.

T. Ye, J. Zhang, J. Dang, Y. Song, X. Yi, C. Yu, and K. Qiu, “Experimental Demonstration of 50 Gb/s PAM-4 Transmission Over 50-km SSMF Using 10-GHz DML,” in Asia Communications and Photonics Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper ATh3C.4.

Raybon, G.

Shi, J.

J. Zhang, J. Yu, J. Shi, J. S. Wey, X. Huang, Y. Guo, Z. Ma, and M. Li, “64-Gb/s/λ Downstream Transmission for PAM-4 TDM-PON with Centralized DSP and 10G Low-Complexity Receiver in C-Band,” in Proceedings of European Conference on Optical Communication (ECOC2017), pp 1–3.

Shtaif, M.

Song, Y.

T. Xu, Z. Li, J. Peng, A. Tan, Y. Song, Y. Li, J. Chen, and M. Wang, “Decoding of 10-G Optics-Based 50-Gb/s PAM-4 Signal Using Simplified MLSE,” IEEE Photonics J. 10(4), 7905508 (2018).
[Crossref]

Z. Li, J. Xia, Y. Guo, Y. Yin, Y. Li, Y. Song, J. Chen, and M. Wang, “Investigation on the equalization techniques for 10G-class optics enabled 25G-EPON,” Opt. Express 25(14), 16228–16234 (2017).
[Crossref] [PubMed]

T. Ye, J. Zhang, J. Dang, Y. Song, X. Yi, C. Yu, and K. Qiu, “Experimental Demonstration of 50 Gb/s PAM-4 Transmission Over 50-km SSMF Using 10-GHz DML,” in Asia Communications and Photonics Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper ATh3C.4.

Sorensen, H.

H. Sorensen, D. Jones, M. Heideman, and C. Burrus, “Real-valued fast Fourier transform algorithms,” IEEE Trans. Acoust. Speech Sig. Process..  35(6), 849–863 (1987).
[Crossref]

Sun, E.

J. Zhou, F. Xu, E. Sun, T. Zhang, Z. Zhang, M. Guo, X. Tang, Z. Wang, and Y. Qiao, “Coherent Optical Interleaved SC-FDM Uplink Scheme for Long-Reach Passive Optical Network,” IEEE Photonics J. 8(2), 7902208 (2016).
[Crossref]

Suzuki, K.

Tan, A.

T. Xu, Z. Li, J. Peng, A. Tan, Y. Song, Y. Li, J. Chen, and M. Wang, “Decoding of 10-G Optics-Based 50-Gb/s PAM-4 Signal Using Simplified MLSE,” IEEE Photonics J. 10(4), 7905508 (2018).
[Crossref]

Tang, X.

X. Tang, J. Zhou, M. Guo, J. Qi, S. Liu, X. Xu, Y. Lu, and Y. Qiao, “Experimental Demonstration of 40-Gb/s I-SC-FDM With 10G-Class Optics and Low-Complexity DSP for Next-Generation PON,” IEEE Photonics J. 10(3), 7202509 (2018).
[Crossref]

J. Zhou, F. Xu, E. Sun, T. Zhang, Z. Zhang, M. Guo, X. Tang, Z. Wang, and Y. Qiao, “Coherent Optical Interleaved SC-FDM Uplink Scheme for Long-Reach Passive Optical Network,” IEEE Photonics J. 8(2), 7902208 (2016).
[Crossref]

C. Chen, X. Tang, and Z. Zhang, “Transmission of 56-Gb/s PAM-4 over 26-km Single Mode Fiber Using Maximum Likelihood Sequence Estimation,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2015), paper Th4A.5.
[Crossref]

Tao, M.

M. Tao, L. Zhou, H. Zeng, S. Li, and X. Liu, “50-Gb/s/λ-PON Based on 10G DML and 10G APD Supporting PR10 Link Loss Budget after 20-km Downstream Transmission in the O-band,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu3G.2.
[Crossref]

Terada, J.

Tipsuwannakul, E.

Tsang, H. K.

Tu, Z.

J. Zhang, J. S. Wey, J. Yu, Z. Tu, B. Yang, W. Yang, Y. Guo, X. Huang, and Z. Ma, “Symmetrical 50-Gb/s/λ PAM-4 TDM-PON in O-band with DSP and Semiconductor Optical Amplifier Supporting PR-30 Link Loss Budget,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.4.

Tzu, T. C.

van Veen, D.

Vetter, P.

Wang, M.

T. Xu, Z. Li, J. Peng, A. Tan, Y. Song, Y. Li, J. Chen, and M. Wang, “Decoding of 10-G Optics-Based 50-Gb/s PAM-4 Signal Using Simplified MLSE,” IEEE Photonics J. 10(4), 7905508 (2018).
[Crossref]

Z. Li, J. Xia, Y. Guo, Y. Yin, Y. Li, Y. Song, J. Chen, and M. Wang, “Investigation on the equalization techniques for 10G-class optics enabled 25G-EPON,” Opt. Express 25(14), 16228–16234 (2017).
[Crossref] [PubMed]

Wang, S.

Wang, Z.

J. Zhou, F. Xu, E. Sun, T. Zhang, Z. Zhang, M. Guo, X. Tang, Z. Wang, and Y. Qiao, “Coherent Optical Interleaved SC-FDM Uplink Scheme for Long-Reach Passive Optical Network,” IEEE Photonics J. 8(2), 7902208 (2016).
[Crossref]

Wei, J.

Wey, J. S.

J. Zhang, J. Yu, J. Shi, J. S. Wey, X. Huang, Y. Guo, Z. Ma, and M. Li, “64-Gb/s/λ Downstream Transmission for PAM-4 TDM-PON with Centralized DSP and 10G Low-Complexity Receiver in C-Band,” in Proceedings of European Conference on Optical Communication (ECOC2017), pp 1–3.

J. Zhang, J. S. Wey, J. Yu, Z. Tu, B. Yang, W. Yang, Y. Guo, X. Huang, and Z. Ma, “Symmetrical 50-Gb/s/λ PAM-4 TDM-PON in O-band with DSP and Semiconductor Optical Amplifier Supporting PR-30 Link Loss Budget,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.4.

Winzer, P.

Wu, X.

Xia, J.

Xiang, M.

K. Zhang, Q. Zhuge, H. Xin, Z. Xing, M. Xiang, S. Fan, L. Yi, W. Hu, and D. V. Plant, “Demonstration of 50Gb/s/λ Symmetric PAM4 TDM-PON with 10G-class Optics and DSP-free ONUs in the O-band,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.5.

Xin, H.

K. Zhang, Q. Zhuge, H. Xin, Z. Xing, M. Xiang, S. Fan, L. Yi, W. Hu, and D. V. Plant, “Demonstration of 50Gb/s/λ Symmetric PAM4 TDM-PON with 10G-class Optics and DSP-free ONUs in the O-band,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.5.

Xing, Z.

K. Zhang, Q. Zhuge, H. Xin, Z. Xing, M. Xiang, S. Fan, L. Yi, W. Hu, and D. V. Plant, “Demonstration of 50Gb/s/λ Symmetric PAM4 TDM-PON with 10G-class Optics and DSP-free ONUs in the O-band,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.5.

Xu, F.

J. Zhou, F. Xu, E. Sun, T. Zhang, Z. Zhang, M. Guo, X. Tang, Z. Wang, and Y. Qiao, “Coherent Optical Interleaved SC-FDM Uplink Scheme for Long-Reach Passive Optical Network,” IEEE Photonics J. 8(2), 7902208 (2016).
[Crossref]

Xu, T.

T. Xu, Z. Li, J. Peng, A. Tan, Y. Song, Y. Li, J. Chen, and M. Wang, “Decoding of 10-G Optics-Based 50-Gb/s PAM-4 Signal Using Simplified MLSE,” IEEE Photonics J. 10(4), 7905508 (2018).
[Crossref]

Xu, X.

X. Tang, J. Zhou, M. Guo, J. Qi, S. Liu, X. Xu, Y. Lu, and Y. Qiao, “Experimental Demonstration of 40-Gb/s I-SC-FDM With 10G-Class Optics and Low-Complexity DSP for Next-Generation PON,” IEEE Photonics J. 10(3), 7202509 (2018).
[Crossref]

Xue, L.

Yang, B.

J. Zhang, J. S. Wey, J. Yu, Z. Tu, B. Yang, W. Yang, Y. Guo, X. Huang, and Z. Ma, “Symmetrical 50-Gb/s/λ PAM-4 TDM-PON in O-band with DSP and Semiconductor Optical Amplifier Supporting PR-30 Link Loss Budget,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.4.

Yang, Q.

Yang, W.

J. Zhang, J. S. Wey, J. Yu, Z. Tu, B. Yang, W. Yang, Y. Guo, X. Huang, and Z. Ma, “Symmetrical 50-Gb/s/λ PAM-4 TDM-PON in O-band with DSP and Semiconductor Optical Amplifier Supporting PR-30 Link Loss Budget,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.4.

Yang, Y.

Ye, T.

T. Ye, J. Zhang, J. Dang, Y. Song, X. Yi, C. Yu, and K. Qiu, “Experimental Demonstration of 50 Gb/s PAM-4 Transmission Over 50-km SSMF Using 10-GHz DML,” in Asia Communications and Photonics Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper ATh3C.4.

Yeh, C. H.

Yi, L.

L. Xue, L. Yi, H. Ji, P. Li, and W. Hu, “Symmetric 100-Gb/s TWDM-PON in O-Band Based on 10G-Class Optical Devices Enabled by Dispersion-Supported Equalization,” J. Lightwave Technol. 36(2), 580–586 (2018).
[Crossref]

H. Ji, L. Yi, Z. Li, L. Xue, X. Li, Q. Yang, S. Wang, Y. Yang, S. Yu, and W. Hu, “Field Demonstration of a Real-Time 100-Gb/s PON Based on 10G-Class Optical Devices,” J. Lightwave Technol. 35(10), 1914–1921 (2017).
[Crossref]

K. Zhang, Q. Zhuge, H. Xin, Z. Xing, M. Xiang, S. Fan, L. Yi, W. Hu, and D. V. Plant, “Demonstration of 50Gb/s/λ Symmetric PAM4 TDM-PON with 10G-class Optics and DSP-free ONUs in the O-band,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.5.

Yi, X.

T. Ye, J. Zhang, J. Dang, Y. Song, X. Yi, C. Yu, and K. Qiu, “Experimental Demonstration of 50 Gb/s PAM-4 Transmission Over 50-km SSMF Using 10-GHz DML,” in Asia Communications and Photonics Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper ATh3C.4.

Yin, S.

Yin, Y.

Yu, C.

K. Zhong, X. Zhou, J. Huo, C. Yu, C. Lu, and A. P. T. Lau, “Digital Signal Processing for Short-Reach Optical Communications: A Review of Current Technologies and Future Trends,” J. Lightwave Technol. 36(2), 377–400 (2018).
[Crossref]

T. Ye, J. Zhang, J. Dang, Y. Song, X. Yi, C. Yu, and K. Qiu, “Experimental Demonstration of 50 Gb/s PAM-4 Transmission Over 50-km SSMF Using 10-GHz DML,” in Asia Communications and Photonics Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper ATh3C.4.

Yu, J.

J. Zhang, J. Yu, J. Shi, J. S. Wey, X. Huang, Y. Guo, Z. Ma, and M. Li, “64-Gb/s/λ Downstream Transmission for PAM-4 TDM-PON with Centralized DSP and 10G Low-Complexity Receiver in C-Band,” in Proceedings of European Conference on Optical Communication (ECOC2017), pp 1–3.

J. Zhang, J. S. Wey, J. Yu, Z. Tu, B. Yang, W. Yang, Y. Guo, X. Huang, and Z. Ma, “Symmetrical 50-Gb/s/λ PAM-4 TDM-PON in O-band with DSP and Semiconductor Optical Amplifier Supporting PR-30 Link Loss Budget,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.4.

Yu, S.

Zeng, H.

M. Tao, L. Zhou, H. Zeng, S. Li, and X. Liu, “50-Gb/s/λ-PON Based on 10G DML and 10G APD Supporting PR10 Link Loss Budget after 20-km Downstream Transmission in the O-band,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu3G.2.
[Crossref]

Zhang, J.

J. Zhang, J. Yu, J. Shi, J. S. Wey, X. Huang, Y. Guo, Z. Ma, and M. Li, “64-Gb/s/λ Downstream Transmission for PAM-4 TDM-PON with Centralized DSP and 10G Low-Complexity Receiver in C-Band,” in Proceedings of European Conference on Optical Communication (ECOC2017), pp 1–3.

T. Ye, J. Zhang, J. Dang, Y. Song, X. Yi, C. Yu, and K. Qiu, “Experimental Demonstration of 50 Gb/s PAM-4 Transmission Over 50-km SSMF Using 10-GHz DML,” in Asia Communications and Photonics Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper ATh3C.4.

J. Zhang, J. S. Wey, J. Yu, Z. Tu, B. Yang, W. Yang, Y. Guo, X. Huang, and Z. Ma, “Symmetrical 50-Gb/s/λ PAM-4 TDM-PON in O-band with DSP and Semiconductor Optical Amplifier Supporting PR-30 Link Loss Budget,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.4.

Zhang, K.

K. Zhang, Q. Zhuge, H. Xin, Z. Xing, M. Xiang, S. Fan, L. Yi, W. Hu, and D. V. Plant, “Demonstration of 50Gb/s/λ Symmetric PAM4 TDM-PON with 10G-class Optics and DSP-free ONUs in the O-band,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.5.

Zhang, T.

J. Zhou, F. Xu, E. Sun, T. Zhang, Z. Zhang, M. Guo, X. Tang, Z. Wang, and Y. Qiao, “Coherent Optical Interleaved SC-FDM Uplink Scheme for Long-Reach Passive Optical Network,” IEEE Photonics J. 8(2), 7902208 (2016).
[Crossref]

Zhang, Z.

J. Zhou, F. Xu, E. Sun, T. Zhang, Z. Zhang, M. Guo, X. Tang, Z. Wang, and Y. Qiao, “Coherent Optical Interleaved SC-FDM Uplink Scheme for Long-Reach Passive Optical Network,” IEEE Photonics J. 8(2), 7902208 (2016).
[Crossref]

C. Chen, X. Tang, and Z. Zhang, “Transmission of 56-Gb/s PAM-4 over 26-km Single Mode Fiber Using Maximum Likelihood Sequence Estimation,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2015), paper Th4A.5.
[Crossref]

Zhong, K.

Zhou, J.

X. Tang, J. Zhou, M. Guo, J. Qi, S. Liu, X. Xu, Y. Lu, and Y. Qiao, “Experimental Demonstration of 40-Gb/s I-SC-FDM With 10G-Class Optics and Low-Complexity DSP for Next-Generation PON,” IEEE Photonics J. 10(3), 7202509 (2018).
[Crossref]

J. Zhou, F. Xu, E. Sun, T. Zhang, Z. Zhang, M. Guo, X. Tang, Z. Wang, and Y. Qiao, “Coherent Optical Interleaved SC-FDM Uplink Scheme for Long-Reach Passive Optical Network,” IEEE Photonics J. 8(2), 7902208 (2016).
[Crossref]

Zhou, L.

M. Tao, L. Zhou, H. Zeng, S. Li, and X. Liu, “50-Gb/s/λ-PON Based on 10G DML and 10G APD Supporting PR10 Link Loss Budget after 20-km Downstream Transmission in the O-band,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu3G.2.
[Crossref]

Zhou, S.

Zhou, X.

Zhuge, Q.

K. Zhang, Q. Zhuge, H. Xin, Z. Xing, M. Xiang, S. Fan, L. Yi, W. Hu, and D. V. Plant, “Demonstration of 50Gb/s/λ Symmetric PAM4 TDM-PON with 10G-class Optics and DSP-free ONUs in the O-band,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.5.

IEEE Photonics J. (3)

J. Zhou, F. Xu, E. Sun, T. Zhang, Z. Zhang, M. Guo, X. Tang, Z. Wang, and Y. Qiao, “Coherent Optical Interleaved SC-FDM Uplink Scheme for Long-Reach Passive Optical Network,” IEEE Photonics J. 8(2), 7902208 (2016).
[Crossref]

X. Tang, J. Zhou, M. Guo, J. Qi, S. Liu, X. Xu, Y. Lu, and Y. Qiao, “Experimental Demonstration of 40-Gb/s I-SC-FDM With 10G-Class Optics and Low-Complexity DSP for Next-Generation PON,” IEEE Photonics J. 10(3), 7202509 (2018).
[Crossref]

T. Xu, Z. Li, J. Peng, A. Tan, Y. Song, Y. Li, J. Chen, and M. Wang, “Decoding of 10-G Optics-Based 50-Gb/s PAM-4 Signal Using Simplified MLSE,” IEEE Photonics J. 10(4), 7905508 (2018).
[Crossref]

IEEE Photonics Technol. Lett. (1)

X. Miao, M. Bi, Y. Fu, L. Li, and W. Hu, “Experimental Study of NRZ, Duobinary, and PAM-4 in O-Band DML-Based 100G-EPON,” IEEE Photonics Technol. Lett. 29(17), 1490–1493 (2017).
[Crossref]

IEEE Trans. Acoust. Speech Sig. Process. (1)

H. Sorensen, D. Jones, M. Heideman, and C. Burrus, “Real-valued fast Fourier transform algorithms,” IEEE Trans. Acoust. Speech Sig. Process..  35(6), 849–863 (1987).
[Crossref]

J. Lightwave Technol. (15)

T. C. Tzu, Y. Hsu, C. Y. Chuang, X. Wu, C. W. Chow, J. Chen, C. H. Yeh, and H. K. Tsang, “Equalization of PAM-4 Signal Generated by Silicon Microring Modulator for 64-Gbit/s Transmission,” J. Lightwave Technol. 35(22), 4943–4948 (2017).
[Crossref]

K. Zhong, X. Zhou, J. Huo, C. Yu, C. Lu, and A. P. T. Lau, “Digital Signal Processing for Short-Reach Optical Communications: A Review of Current Technologies and Future Trends,” J. Lightwave Technol. 36(2), 377–400 (2018).
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J. Wei and E. Giacoumidis, “Multi-band CAP for Next-Generation Optical Access Networks Using 10-G Optics,” J. Lightwave Technol. 36(2), 551–559 (2018).
[Crossref]

L. Xue, L. Yi, H. Ji, P. Li, and W. Hu, “Symmetric 100-Gb/s TWDM-PON in O-Band Based on 10G-Class Optical Devices Enabled by Dispersion-Supported Equalization,” J. Lightwave Technol. 36(2), 580–586 (2018).
[Crossref]

V. Houtsma and D. van Veen, “Bi-Directional 25G/50G TDM-PON With Extended Power Budget Using 25G APD and Coherent Detection,” J. Lightwave Technol. 36(1), 122–127 (2018).

X. Chen, C. Antonelli, S. Chandrasekhar, G. Raybon, A. Mecozzi, M. Shtaif, and P. Winzer, “Kramers–Kronig Receivers for 100-km Datacenter Interconnects,” J. Lightwave Technol. 36(1), 79–89 (2018).
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O. E. Agazzi, Mario R. Hueda, Hugo S. Carrer, and Diego E. Crivelli, “Maximum-Likelihood Sequence Estimation in Dispersive Optical Channels,” J. Lightwave Technol. 23(2), 749–763 (2005).
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J. Li, E. Tipsuwannakul, T. Eriksson, M. Karlsson, and P. A. Andrekson, “Approaching Nyquist Limit in WDM Systems by Low-Complexity Receiver-Side Duobinary Shaping,” J. Lightwave Technol. 30(11), 1664–1676 (2012).
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J. Wei, N. Eiselt, H. Griesser, K. Grobe, M. H. Eiselt, J. J. V. Olmos, I. T. Monroy, and J.-P. Elbers, “Demonstration of the First Real-Time End-to-End 40-Gb/s PAM-4 for Next-Generation Access Applications Using 10-Gb/s Transmitter,” J. Lightwave Technol. 3471628–1635 (2016).
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V. Houtsma, D. van Veen, and H. Chow, “Demonstration of Symmetrical 25 Gb/s TDM-PON With Multilevel Interleaving of Users,” J. Lightwave Technol. 34(8), 2005–2010 (2016).
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V. Houtsma and D. van Veen, “A Study of Options for High-Speed TDM-PON Beyond 10G,” J. Lightwave Technol. 35(4), 1059–1066 (2017).
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V. Houtsma, D. van Veen, and E. Harstead, “Recent Progress on Standardization of Next-Generation 25, 50, and 100G EPON,” J. Lightwave Technol. 35(6), 1228–1234 (2016).
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H. Ji, L. Yi, Z. Li, L. Xue, X. Li, Q. Yang, S. Wang, Y. Yang, S. Yu, and W. Hu, “Field Demonstration of a Real-Time 100-Gb/s PON Based on 10G-Class Optical Devices,” J. Lightwave Technol. 35(10), 1914–1921 (2017).
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J. Opt. Commun. Netw. (2)

Opt. Express (1)

Other (7)

J. Zhang, J. S. Wey, J. Yu, Z. Tu, B. Yang, W. Yang, Y. Guo, X. Huang, and Z. Ma, “Symmetrical 50-Gb/s/λ PAM-4 TDM-PON in O-band with DSP and Semiconductor Optical Amplifier Supporting PR-30 Link Loss Budget,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.4.

K. Zhang, Q. Zhuge, H. Xin, Z. Xing, M. Xiang, S. Fan, L. Yi, W. Hu, and D. V. Plant, “Demonstration of 50Gb/s/λ Symmetric PAM4 TDM-PON with 10G-class Optics and DSP-free ONUs in the O-band,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper M1B.5.

M. Tao, L. Zhou, H. Zeng, S. Li, and X. Liu, “50-Gb/s/λ-PON Based on 10G DML and 10G APD Supporting PR10 Link Loss Budget after 20-km Downstream Transmission in the O-band,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu3G.2.
[Crossref]

J. Zhang, J. Yu, J. Shi, J. S. Wey, X. Huang, Y. Guo, Z. Ma, and M. Li, “64-Gb/s/λ Downstream Transmission for PAM-4 TDM-PON with Centralized DSP and 10G Low-Complexity Receiver in C-Band,” in Proceedings of European Conference on Optical Communication (ECOC2017), pp 1–3.

T. Ye, J. Zhang, J. Dang, Y. Song, X. Yi, C. Yu, and K. Qiu, “Experimental Demonstration of 50 Gb/s PAM-4 Transmission Over 50-km SSMF Using 10-GHz DML,” in Asia Communications and Photonics Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper ATh3C.4.

J. Wei and E. Giacoumidis, “40 Gb/s/λ optical amplified PAM-4 PON with transmission over 30 km SMF using 10-G Optics and simple DSP,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017) paper Tu3G.3.
[Crossref]

C. Chen, X. Tang, and Z. Zhang, “Transmission of 56-Gb/s PAM-4 over 26-km Single Mode Fiber Using Maximum Likelihood Sequence Estimation,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2015), paper Th4A.5.
[Crossref]

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Figures (8)

Fig. 1
Fig. 1 (a) Graphic expression of overlap-add method. (b) Ratio of multiplications between FDE and TDE.
Fig. 2
Fig. 2 The process of Viterbi decoding.
Fig. 3
Fig. 3 Experimental setup of 50-Gb/s optical amplified PAM4-PON.
Fig. 4
Fig. 4 (a) PAPR versus pulse shaping factor α. (b) BER versus pulse shaping factor α.
Fig. 5
Fig. 5 (a) Square errors versus the number of iterations for RLS algorithm. (b) BER versus the number of taps at different received optical power (ROP).
Fig. 6
Fig. 6 (a) Frequency response of different post-filters. (b) BER versus the β-factor with MLSD.
Fig. 7
Fig. 7 (a) BER performance versus FFE tap numbers and DFE tap numbers at the ROP of -23dBm. (b) BER performance versus memory length for VE at the ROP of −23dBm.
Fig. 8
Fig. 8 BER versus received optical power with various equalizations.

Equations (7)

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y ( n ) = l = 0 L 1 w ( l ) x ( n 1 )
w ( n ) = { w ( l ) , 0 n L 1 , 0 , L n N 1 .
x ( n ) = { x ( n ) , 0 n N L , 0 , N L + 1 n N 1 .
w ( n ) x ( n ) = I F F T { F F T [ w ( n ) ] F F T [ x ( n ) ] }
H p o s t   f i l t e r ( Z ) = 1 + β Z 1
DM ( Z k ) = min { abs ( Y k H p o s t f i l t e r X ) }
AM ( Z k ) = A M ( Z k 1 ) + D M ( Z k )

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