[1] [1] Porzi C, Bogoni A, Contestabile G. Regenerative wavelength conversion of DPSK signals through FWM in an SOA[J]. Ieee Photonic Tech L, 2013, 25(2): 175-178.

[2] [2] 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]. J Lightwave Technol, 2009, 27(24): 5767-5774.

[3] [3] Lu J, Dong Z, Chen L, et al. Polarization insensitive wavelength conversion based on four-wave mixing for polarization multiplexing signal in high-nonlinear fiber[J]. Opt Commun, 2009, 282(7): 1274-1280.

[4] [4] Zhou H, He J, Dong Z, et al. Theoretical and experimental study on wavelength conversion based on FWM for PDM-QPSK signals with digital coherent detection in HNLF[J]. Opt Commun, 2014, 376: 161-167.

[5] [5] Dong Ze, Cao Zizheng, Lu Jia, et al. All optical wavelength conversion based on four-wave mixing in semiconductor optical amplifier for OFDM optical signal[J]. Chinese J Lasers, 2009, 36(11): 2952-2956.

[6] [6] 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.

[7] [7] Dong Z, Yu J, Chien H C, et al. Wavelength conversion for 1.2 Tb/s optical OFDM superchannel based on four-wave mixing in HNLF with digital coherent detection[C]. European Conference and Exhibition on Optical Communication, 2011: 1-3.

[8] [8] Lu J, Yu J, Zhou H, et al. Polarization insensitive wavelength conversion based on dual pump four wave mixing for polarization multiplexing signal in SOA[J]. Opt Commun, 2011, 284(22): 5364-5371.

[9] [9] Zhou H, He J, Dong Z, et al. Theoretical and experimental study on wavelength conversion based on FWM for PDM-QPSK signals with digital coherent detection in HNLF[J]. Opt Commun, 2014, 316(316): 161-167.

[10] [10] Lu Jia, Dong Ze, Cao Zizheng, et al. All-optical wavelength conversion based on parallel dual-pump four-wave mixing in semiconductor optical amplifier for OFDM optical signal[J]. Acta Photonica Sinica, 2009, 38(11): 2858-2862.

[11] [11] 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.

[12] [12] Lu Jia, Meng Jiao, Liu Jianfei, et al. Research on all optical wavelength conversion for cost-effective polarization multiplexing OFDM signal[J]. Journal of Hebei University of Technology, 2016, 45(1): 13-18.

[13] [13] Yu J, Huang M F. Wavelength conversion based on copolarized pumps generated by optical carrier suppression[J]. Ieee Photonic Tech L, 2009, 21(6): 392-394.

[14] [14] Ma J, Yu J, Yu C, et al. Influence of the modulation index of Mach-Zehnder modulator on ROF link with ASK millimeter-wave signal[J]. Opt Laser Technol, 2009, 41(1): 11-16.

[15] [15] Wang Xin, Chen Lin, Cao Zizheng. Influence of modulation depth on optical subcarrier OFDM system[J]. Acta Optica Sinica, 2011, 31(5): 0506002.

[16] [16] Zhao Jiangong, Liu Zengji, Liu Xiangling, et al. Optimum Modulation Index for Single Sideband Radio over Fiber System[J]. Acta Optica Sinica, 2010, 30(7): 1960-1964.