[1] Zhang Y C, Chen J, Zhao M X et al. Geometric probability shaping in coherent optical communication system[J]. Acta Optica Sinica, 43, 1906002(2023).

[2] Xie P, Zhao Y F, Guan L Y et al. Performance investigation of multi-aperture digital combining algorithm for satellite-to-ground coherent optical communication[J]. Optics Communications, 545, 129722(2023).

[3] Yu Z H, Wang L H, Wang Y et al. Research progress and development trend of fast steering mirror for satellite laser communication[J]. Laser & Optoelectronics Progress, 60, 1500003(2023).

[4] Arikawa M, Ito T. Performance of mode diversity reception of a polarization-division-multiplexed signal for free-space optical communication under atmospheric turbulence[J]. Optics Express, 26, 28263-28276(2018).

[5] Zhang Y Q, Xu M F, Pu M B et al. Simultaneously enhancing capacity and security in free-space optical chaotic communication utilizing orbital angular momentum[J]. Photonics Research, 11, 2185(2023).

[6] Didier P, Dely H, Bonazzi T et al. High-capacity free-space optical link in the midinfrared thermal atmospheric windows using unipolar quantum devices[J]. Advanced Photonics, 4, 056004(2022).

[7] Ren W J, Sun J F, Zhou Y et al. Multi-system compatible coherent detection technology of satellite laser communication[J]. Acta Optica Sinica, 43, 1206002(2023).

[8] Kaushal H, Kaddoum G. Optical communication in space: challenges and mitigation techniques[J]. IEEE Communications Surveys & Tutorials, 19, 57-96(2017).

[9] Yin H, Song Y X, Li Y C et al. Free-space optical communication atmospheric turbulence compensation based on multiple input multiple output mode diversity coherent reception[J]. Chinese Journal of Lasers, 49, 2306002(2022).

[10] Ando T, Haraguchi E, Tajima K et al. Coherent homodyne receiver with a compensator of Doppler shifts for inter orbit optical communication[J]. Proceedings of SPIE, 7923, 79230J(2011).

[11] Hoffmann S, Bhandare S, Pfau T et al. Frequency and phase estimation for coherent QPSK transmission with unlocked DFB lasers[J]. IEEE Photonics Technology Letters, 20, 1569-1571(2008).

[12] Xu Y X, Wu B, Wang B. Open-loop Doppler frequency shift estimation in satellite coherent optical communication[J]. Infrared and Laser Engineering, 46, 0922004(2017).

[13] Viterbi A J, Viterbi A M. Nonlinear estimation of PSK-modulated carrier phase with application to burst digital transmission[J]. IEEE Transactions on Information Theory, 29, 543-551(1983).

[14] Fang X, Wang Y C, Ding D et al. Pilot-aided phase noise suppression for coherent optical OFDM/OQAM[C](2019).

[15] Pfau T, Hoffmann S, Noé R. Hardware-efficient coherent digital receiver concept with feedforward carrier recovery for M-QAM constellations[J]. Journal of Lightwave Technology, 27, 989-999(2009).

[16] Cao Y W, Yu S, Shen J et al. Frequency estimation for optical coherent MPSK system without removing modulated data phase[J]. IEEE Photonics Technology Letters, 22, 691-693(2010).

[17] Zhang J, Qiu Q. High-precision fourth power carrier phase recovery algorithm[J]. Laser & Optoelectronics Progress, 56, 130604(2019).

[18] Guan H J, Liu Y Q, Zhang F J. Coherent free-space optical communication system with quadrature phase-shift keying modulation using a digital phase recovery algorithm[J]. Chinese Optics, 12, 1131-1138(2019).

[19] He B W. Research on homodyne frequency acquisition technology based on orbit prediction in satellite optical communication[D], 2-4(2020).

[20] Ning J N. Design and implementation of high dynamic optical communication Doppler frequency shift simulator[D], 9-11(2020).

[21] Chen J. Study on phase noise measurement technology of narrow linewidth laser[D](2022).

[22] Qu Q, Cao Z L, Hu L F et al. Greenwood frequency measurement of atmospheric turbulence by phase difference method[J]. Chinese Optics, 8, 121-129(2015).

[23] Li X Y, Jiang W H, Wang C H et al. Power spectra analysis of the disturbed wavefront in laser beam horizontal atmospheric propagation II: wavefront phase and greenwood frequency[J]. Acta Optica Sinica, 20, 1035-1042(2000).

[24] Savory S J. Digital coherent optical receivers: algorithms and subsystems[J]. IEEE Journal of Selected Topics in Quantum Electronics, 16, 1164-1179(2010).