[1] [1] Krzczanowicz L, Connelly M J. 40 Gb/s NRZ-DQPSK data all-optical wavelength conversion using four wave mixing in a bulk SOA［J］. IEEE Photonics Technology Letters, 2013, 25(24): 2439-2441.

[2] [2] Filion B, Amiralizadeh S, An T N, et al. Wideband wavelength conversion of 16 Gbaud 16-QAM signals in a semiconductor optical amplifier［C］. Optical Fiber Communication Conference, 2013: OTh1C.5.

[3] [3] Zhou Hui, Dong Ze, Cao Zizheng, et al. All-optical wavelength conversion for orthogonal frequency division multiplexing optical signal［J］. Acta Optica Sinica, 2010, 30(4): 959-964.

[4] [4] Liu Li, Xu Tiefeng, Dai Zhenxiang, et al. Research progress on optical millimeter-wave generation based on four-wave mixing［J］. Laser & Optoelectronics Progress, 2016, 53(5): 050001.

[5] [5] Mecozzi A, Mork J. Saturation effects in nondegenerate four-wave mixing between short optical pulses in semiconductor laser amplifiers［J］. IEEE Journal Selected Topics Quantum Electronics, 1997, 3(5): 1190-1207.

[6] [6] Wu B, Fu S, Wu J, et al. 40 Gb/s multifunction optical format conversion module with wavelength multicast capability using nondegenerate four-wave mixing in a semiconductor optical amplifier［J］. Journal of Lightwave Technology, 2009, 27(20): 4446-4454.

[7] [7] Huang Dexiu, Zhang Xinliang, Huang Lirong. Semiconductor optical amplifier and its application［M］. Beijing: Science Press, 2012.

[8] [8] Kothari N C, Blumenthal D J. Influence of gain saturation, gain asymmetry, and pump/probe depletion on wavelength conversion efficiency of FWM in semiconductor optical amplifiers［J］. IEEE Journal of Quantum Electronics, 1996, 32(10): 1810-1816.

[9] [9] Li P L, Huang D X, Zhang X L, et al. Ultrahigh-speed all-optical half adder based on four-wave mixing in semiconductor optical amplifier［J］. Optics Express, 2006, 14(24): 11839-11847.

[10] [10] Li Z H, Li G F. Ultrahigh-speed reconfigurable logic gates based on four-wave mixing in a semiconductor optical amplifier［J］. IEEE Photonics Technology Letters, 2006, 18(12): 1341-1343.

[11] [11] Mukai T, Saitoh T. Detuning characteristics and conversion efficiency of nearly degenerate four-wave mixing in a 1.5-μm traveling-wave semiconductor laser amplifier［J］. IEEE Journal of Quantum Electronics, 1990, 26(5): 865-875.

[12] [12] Mecozzi A. Analytical theory of four-wave mixing in semiconductor amplifiers［J］. Optics Letters, 1994, 19(12): 892-894.

[13] [13] Cassioli D, Scotti S, Mecozzi A. Time-domain computer simulator of the nonlinear response of semiconductor optical amplifiers［J］. IEEE Journal of Quantum Electronics, 2000, 36(9): 1072-1080.

[14] [14] Lu J, Chen L, Dong Z, et al. Polarization insensitive wavelength conversion based on orthogonal pump four-wave mixing for polarization multiplexing signal in high-nonlinear fiber［J］. Journal of Lightwave Technology, 2009, 27(24): 5767-5774.

[15] [15] Mark M W K, Tsang H K, Chan K. Widely tunable polarization-independent all-optical wavelength converter using a semiconductor optical amplifier［J］. IEEE Photonics Technology Letters, 2000, 12(5): 525-527.

[16] [16] Lu J, Yu J J, Zhou H, et al. Polarization insensitive wavelength conversion based on dual pump four wave mixing for polarization multiplexing signal in SOA［J］. Optics Communications, 2011, 284(22): 5364-5371.

[17] [17] Lu Jia, Ma Jie, Liu Jianfei, et al. Influence of orthogonal dual-pump PM-OFDM signal on all-optical wavelength conversion system［J］. Chinese J Lasers, 2016, 43(6): 0606001.

[18] [18] Lu Jia, Hu Yuanyuan, Liu Jianfei, et al. All-optical wavelength conversion based on parallel dual-pump for polarization multiplexing OFDM signal in SOA［J］. Chinese J Lasers, 2015, 42(2): 0205005.

[19] [19] Zeng Xiangye, Liu Jianfei, Wang Jingyi, et al. An improved ISFA channel estimation algorithm［J］. Journal of Optoelectronics·Laser, 2014, 25(8): 1481-1487.

[20] [20] Liu Jianfei, Shi Huimin, Zeng Xiangye, et al. Channel estimation method based on wavelet and improved ISFA for CO-OFDM systems［J］. Chinese J Lasers, 2015, 42(12): 1205002.