Spectrally sliced heterodyne coherent receiver with halved electrical bandwidth

Qi Wu; Yixiao Zhu; Ziyu Cheng; Longjie Yin; Weisheng Hu

doi:10.3788/COL202220.090601

[1] S. Tsukamoto, D. Ly-Gagnon, K. Katoh, K. Kikuchi. Coherent demodulation of 40-Gbit/s polarization-multiplexed QPSK signals with 16-GHz spacing after 200-km transmission. Optical Fiber Communication Conference, PDP29(2005).

[2] K. Kikuchi. Fundamentals of coherent optical fiber communications. J. Light. Technol., 34, 157(2016).

[3] K. Kikuchi, S. Tsukamoto. Evaluation of sensitivity of the digital coherent receiver. J. Light. Technol., 26, 1817(2008).

[4] S. Lu, Y. Zhou, F. Zhu, J. Sun, Y. Yang, R. Zhu, S. Hu, X. Zhang, X. Zhu, X. Hou, W. Chen. Digital-analog hybrid optical phase-lock loop for optical quadrature phase-shift keying. Chin. Opt. Lett., 18, 090602(2020).

[5] S. J. Savory. Digital filters for coherent optical receivers. Opt. Express, 16, 804(2008).

[6] X. Zhou, J. Yu, D. Qian. A novel DSP algorithm for improving the performance of digital coherent receiver using single-ended photo detection. European Conference on Optical Communication, Mo4D.1(2008).

[7] S. T. Le, V. Aref, J. Cho, X. Chen, D. Che. 882 Gbps transmission over 100 km of SSMF using a self-calibrated single-ended coherent receiver. Optical Fiber Communication Conference, M3I.2(2021).

[8] C. Xie, P. J. Winzer, G. Raybon, A. H. Gnauck, B. Y. Zhu, T. Geisler, B. Edvold. Colorless coherent receiver using 3×3 coupler hybrids and single-ended detection. Opt. Express, 20, 1164(2012).

[9] J. Zhang, Z. Dong, J. Yu, N. Chi, L. Tao, X. Li, Y. Shao. Simplified coherent receiver with heterodyne detection of eight-channel 50 Gb/s PDM-QPSK WDM signal after 1040 km SMF-28 transmission. Opt. Lett., 37, 4050(2012).

[10] X. Li, J. Yu, N. Chi, Z. Dong, J. Zhang, J. Yu. The reduction of the LO number for heterodyne coherent detection. Opt. Express, 20, 29613(2012).

[11] W. Shieh, C. Sun, H. Ji. Carrier-assisted differential detection. Light Sci. Appl., 9, 18(2020).

[12] S. Kumar, G. Papen, K. Schmidtke, C. Xie. Intra-data center interconnects, networking, and architectures. Optical Fiber Telecommunications VII, 627(2020).

[13] H. Hu, L. K. Oxenløwe. Chip-based optical frequency combs for high-capacity optical communications. Nanophotonics, 10, 1367(2021).

[14] N. K. Fontaine, R. P. Scott, L. Zhou, F. M. Soares, J. P. Heritage, S. J. B. Yoo. Real-time full-field arbitrary optical waveform measurement. Nat. Photonics, 4, 248(2010).

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