[1] [1] WAUTERS N, VAN Parys W, VAN Caenegem B, et al. Reduction of wavelength blocking through partitioning with wavelength converters［C］. Optical Fiber Communication(OFC), 1997, 122-193.

[2] [2] GRIPP J, DUELK M, SIMSARIAN J, et al. Optical switch fabrics for ultra-high-capacity IP routers［J］. Journal of Lightwave Technology, 2003, 21(11): 2839-2850.

[3] [3] OBERMANN K, KINDT S, BREUER D, et al. Performance analysis of wavelength converters based on cross-gain modulation in semiconductor-optical amplifiers［J］. Journal of Lightwave Technology, 1998, 16(1): 78-85.

[4] [4] WANG Zi-nan, XU Yong-zhao, ZHANG Xia, et al. Wavelength convertion based on cross-phase modulation in microstructure fibers［J］.Chinese Journal of Laser, 2008, 35(3): 414-417.

[5] [5] MEHTA P, HEALY N, DAY T D, et al. Ultrafast wavelength conversion via cross-phase modulation in hydrogenated amorphous silicon optical fibers［J］. Optics Express, 2012, 20(24): 26110-26116.

[6] [6] UESAKA K, WONG K K Y, MARHIC M E, et al. Polarization-insensitive wavelength exchange in highly-nonlinear dispersion-shifted fiber［C］. Optical Fiber Communication(OFC), 2002, Anaheim, CA, ThY3.

[7] [7] YU Jan-jun, JIA Zheng-sheng, YEO Y K, et al. Spectrally non-inverting wavelength conversion based on FWM in HNL-DSF and its application in label switching optical network［C］. European Conference on Optical Communication (ECOC), 2005, 32-35.

[8] [8] GIAMPIERO C, LUCA B, MARCO P, et al. Investigation of transparency of FWM in SOA to advanced modulation formats involving intensity, phase, and polarization multiplexing［J］. Journal of Lightwave Technology, 2009, 27(1): 4256-4261.

[9] [9] LACEY J P R, SUMMERFIELD M A, MADDEN S J. Tunability of polarization insensitive wavelength converters based on four-wave mixing in semiconductor optical ampli ers［J］. Journal of Lightwave Technology, 1998, 16(12): 2419-2427.

[10] [10] DONG Ze, YU Jian-jun, CHIEN Hung-chang, et al. Wavelength conversion for 1.2Tb/s optical OFDM superchannel based on four-wave mixing in HNLF with digital coherent detection［C］. European Conference on Optical Communication(ECOC), 2011, 1-3.

[11] [11] WANG Da-wei, CHENG Tee-hiang, YEO Yong-kee, et al. Optical wavelength multicasting based on four wave mixing in highly nonlinear fiber with reduced polarization sensitivity［C］. Optical Fiber Communication (OFC), 2010, JWA47.

[12] [12] LU Jia, DONG Ze, CAO Zi-zheng, 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): 2857-2862.

[13] [13] RENAUDIER J, CHARLET G, BERTRAN-Pardo O, et al. Transmission of 100Gb/s Coherent PDM-QPSK over 16x100km of standard fiber with allerbium amplifiers［J］. Optics Express, 2009, 17(7): 5112-5119.

[14] [14] ZHOU Xiang, YU Jian-jun. Multi-level, multi-dimensional coding for high-speed and high-spectral-efficiency optical transmission［J］. Journal of Lightwave Technology, 2009, 27(16): 3641-3653.

[15] [15] TANG Jin, CHEN Lin, XIAO Jiang-nan. Experiment on a polarization division multiplexed QPSK coherent optical digital communication system［J］. Journal of Optoelectronics Laser, 2012, 23(10): 1895-1900.

[16] [16] LU Jia, YU Jian-jun, ZHOU Hui, et al. Polarization insensitive wavelength conversion based on dual-pump four-wave mixing for polarization multiplexing signal in SOA［J］. Optical Communication, 2011, 284(22): 5364-5371.

[17] [17] ASTAR W, LENIHAN A S, CARTER G M. Polarization-insensitive wavelength conversion by FWM in a highly nonlinear PCF of polarization-scrambled 10-Gb/s RZ-OOK and RZ-DPSK signals［J］. IEEE Photonics Technology Letters, 2007, 19(20): 1676-1678.

[18] [18] HUANG Ming-fang, YU Jian-jun, CHANG Gee-kung. Demonstration of polarization insensitive wavelength conversion of 112-Gb/s polarization multiplexed RZ-QPSK signals using bismuth-oxide-based nonlinear optical fiber with high SBS threshold［C］. Optical Fiber Communication(OFC), 2010, OWP6.