[1] Vismara F, Grkovic V, Musumeci F, et al.. On the energy efficiency of IP-over-WDM networks[C]. IEEE Latin-American Conference, 2010: 1-6.

[2] Kazovsky L G, Kalogerakis G. Modern coherent optical communications[C]. Lasers and Electro-optical, 2006 and 2006 Quantum Electronics and Laser Science Conference, 2005: 1-2.

[3] Kikuchi K. Coherent transmission systems[C]. European Conference on Optical Communication, 2008: 1-39.

[4] Xie Mengqi, Ke Xizheng.Effect of atmospheric turbulence on the signal-to-noise ratio of free space optical system[J]. Laser & Optoelectronics Progress, 2013, 150(11): 110102.

[5] Ma Xiaoping, Sun Jianfeng, Zhi Yanan, et al.. Reserch of DPSK modulation and self- differential homodyne coherent detection technology to overcome atmospheric turbulence effect in the satellite-to-ground laser communication[J]. Acta Optica Sinica, 2013, 33(7): 0706017.

[6] Ma Xiaoping, Sun Jianfeng, HouPeipei, et al.. Research progress on overcoming the atmospheric turbulence effect in satellite-to-ground laser communication[J]. Laser & Optoelectronics Progress, 2014, 51(12): 120002.

[7] Wu Yunyun, Li Xinyang, Rao Changhui. Effect of atmospheric turbulence aberration on the bit- error performance of homodyne binary phase shift keying coherent optical communication[J]. Acta Optica Sinica, 2013, 33(6): 0606002.

[8] Ma Zongfeng, Zhang Chunxi, Zhang Zhaoyang, et al.. Signal-noise ratio in optical hererodyne detection[J]. Acta Optica Sinica, 2007, 27(5): 889-892.

[9] Wang Qi, Wang Chunhui, Shang Tieliang. Heterodyne efficiency of coherent detection with Gaussian local oscillator and Airy spot signal beam[J]. Chinese J Lasers, 2003, 30(s1): 183-186.

[10] Liu Hongzhan, Ji Yuefeng, Xu Nan, et al.. Effect of amplitude profile difference if signal an local oscillator wave on heterodyne efficiency in the inter-satellite coherent optical communication system[J]. Acta Optica Sinica, 2011, 31(10): 1006001.

[11] Wang Enhong, Hu Yihua, Li Lei, et al.. Influence analysis of atmosphere on heterodyne detection lidar[J]. Infrared and Laser Engineering, 2011, 40(10): 1896-1899.

[12] Wang Qingzheng, Hu Yu, Lin Chongjie. Photoelectric Detection Technology[M]. Beijing: Electronic Industry Press, 1994: 208-211.

[13] Xiaoming Zhu, Joseph M Kahn. Free-space optical communication through atmospheric turbulence channels[J]. IEEE Trans Communications, 2002 , 50(8): 1293-1300.

[14] Zhao Changzheng, Jiao Binliang, Chen Wenxin. Effect of light collimation on heterodyne efficiency for space coherent optical communication[J]. Semiconductor Optoelectronics, 2007, 28(3): 406-413.

[15] Rao Ruizhong. The Light Transmission in Turbulent Atmosphere[M]. Hefei: Anhui Science and Technology Publishing House, 2005.