[1] T. Wettlin, S. Calabrò, T. Rahman et al. DSP for high-speed short-reach IM/DD systems using PAM. J. Lightwave Technol., 38, 6771(2020).
[2] D. Che, X. Chen. Modulation format and digital signal processing for IM-DD optics at post-200G era. J. Lightwave Technol., 42, 588(2024).
[3] H. Zhang. Power efficient coherent detection for short-reach system. Optical Fiber Communications Conference (OFC), M1E.1(2023).
[4] J. Cheng, C. Xie, Y. Chen et al. Comparison of coherent and IMDD transceivers for intra datacenter optical interconnects. Optical Fiber Communications Conference and Exhibition (OFC), W1F.2(2019).
[5] M. G. Taylor. Coherent detection method using DSP for demodulation of signal and subsequent equalization of propagation impairments. IEEE Photon. Technol. Lett., 16, 674(2004).
[6] R. Nagarajan, I. Lyubomirsky, O. Agazzi. Low power DSP-based transceivers for data center optical fiber communications [Invited Tutorial]. J. Lightwave Technol., 39, 5221(2021).
[7] R. Giddings. Real-time digital signal processing for optical OFDM-based future optical access networks. Optical Fiber Communication Conference, OM3H.5(2013).
[8] M. Y. Sowailem, E. El-Fiky, M. Morsy-Osman et al. Self-homodyne system for next generation intra-datacenter optical interconnects. Opt. Express, 25, 27834(2017).
[9] J. K. Perin, A. Shastri, J. M. Kahn. Design of low-power DSP-free coherent receivers for data center links. J. Lightwave Technol., 35, 4650(2017).
[10] T. Kupfer, A. Bisplinghof, T. Duthel et al. Optimizing power consumption of a coherent DSP for metro and data center interconnects. Optical Fiber Communications Conference (OFC), Th3G.2(2017).
[11] M. Morsy-Osman, M. Sowailem, E. EI-Fiky et al. DSP-free ‘coherent-lite’ transceiver for next generation single wavelength optical intra-datacenter interconnects. Opt. Express, 26, 8890(2018).
[12] E. Börjeson, P. Larsson-Edefors. Energy-efficient implementation of carrier phase recovery for higher-order modulation formats. J. Lightwave Technol., 39, 505(2021).
[13] D. A. Morero, M. A. Castrillón, A. Aguirre et al. Design tradeoffs and challenges in practical coherent optical transceiver implementations. J. Lightwave Technol., 34, 121(2016).
[14] K. Matsuda, N. Suzuki. Hardware-efficient signal processing technologies for coherent PON systems. J. Lightwave Technol., 37, 1614(2019).
[15] J. Cheng, C. Xie, M. Tang et al. A low-complexity adaptive equalizer for digital coherent short-reach optical transmission systems. Optical Fiber Communications Conference and Exhibition (OFC), M3H.2(2019).
[16] X. Zhang, X. Li, T. Zeng et al. Real time low-complexity adaptive channel equalization for coherent optical transmission systems. Opt. Express, 28, 5058(2020).
[17] T. Zhang, Q. Xiang, S. Zhang et al. A high-skew-tolerant and hardware-efficient adaptive equalizer for short-reach coherent transmission. Optical Fiber Communication Conference (OFC), Tu5D.2(2021).
[18] X. Zhang, T. Zeng, X. Li et al. Joint polarization tracking and equalization in real-time coherent optical receiver. IEEE Photon. Technol. Lett., 31, 1421(2019).