[1] [1] Agrawal G P. Nonlinear fiber optics［M］. San Diego: Academic Press, 2001.

[2] [2] Hojfeldt S, Bischoff S, Mork J. All-optical wavelength conversion and signal regeneration using an electroabsorption modulator［J］. Journal of Lightwave Technology, 2000, 18(8): 1121-1127.

[3] [3] Yamashita S, Shahed M. Optical 2R regeneration using cascaded fiber four-wave mixing with suppressed spectral spread［J］. IEEE Photonics Technology Letters, 2006, 18(9): 1064-1066.

[4] [4] Bogoni A, Wu X, Nuccio S R, et al. 640 Gb/s all-optical regenerator based on a periodically poled lithium niobate waveguide［J］. Journal of Lightwave Technology, 2012, 30(12): 1829-1834.

[5] [5] Yan L S, Willner A E, Wu X X, et al. All-optical signal processing for ultrahigh speed optical systems and networks［J］. Journal of Lightwave Technology, 2012, 30(24): 3760-3770.

[6] [6] Wabnitz S, Eggleton B J. All-optical signal processing: data communication and storage applications［M］. Berlin: Springer, 2015.

[7] [7] Mamyshev P V. All-optical data regeneration based on self-phase modulation effect［C］∥ECOC′98 24th European Conference on Optical Communication, September 20-24, 1998, Madrid, Spain. Spain: IEEE, 1998, 1: 475-476.

[8] [8] Suzuki J, Tanemura T, Kikuchi K. All-optical regenerator based on XPM-induced wavelength shift in highly-nonlinear fiber at 40 Gb/s［J］. Lasers and Electro-Optics, 2005, 1: 300-302.

[9] [9] Ciaramella E, Curti F, Trillo S. All-optical signal reshaping by means of four-wave mixing in optical fibers［J］. IEEE Photonics Technology Letters, 2001, 13(2): 142-144.

[10] [10] Qi J, Chi N, Zheng Y, et al. A novel method for wavelength conversion with dual-pump four-wave mixing in a semiconductor optical amplifier［J］. Chinese Journal of Lasers B, 2000, B9(6): 488-492.

[11] [11] Zhou X Y, Wu B J, Wen F, et al. Investigation of crosstalk suppression techniques for multi-wavelength regeneration based on data-pump FWM［J］. Optics Communications, 2013, 308: 1-6.

[12] [12] Geng Y, Wu B, Wen F, et al. Multi-wavelength regeneration experiments using clock-pump FWM in silicon waveguides［C］∥Asia Communications and Photonics Conference, November 2-5, 2016, Wuhan, China. Washington: Optical Society of America, 2016: ATh2H.4.

[13] [13] Wu B J, Wen F, Zhou X Y, et al. All-optical regeneration technologies in optical switching nodes［J］. Journal of Applied Optics, 2013, 34(4): 711-717.

[14] [14] Ito C, Monfils I, Cartledge J. All-optical 3R regeneration using higher-order four-wave mixing in a highly nonlinear fiber with a clock-modulated optical pump signal［C］∥LEOS 2006-19th Annual Meeting of the IEEE Lasers and Electro-Optics Society, October 29-November 2, 2006, Montreal, Quebec, Canada. New York: IEEE, 2007: 223-224.

[15] [15] Ma H D, Wu B J, Wen F, et al. Design and development of fiber-optic parametric 2R regenerators［J］. Acta Optica Sinica, 2013, 33(9): 0906005.

[16] [16] Meng T H, Yu J L, Wang J, et al. 2×40 Gb/s all-optical 3R regeneration system using four-wave mixing in dispersion shifted fiber［J］. Acta Optica Sinica, 2012, 32(8): 0806004.

[17] [17] Yuan H, Wu B J, Zhou X Y, et al. Equalization and regeneration of four-wave mixing for time-interleaved channel［J］. Acta Optica Sinica, 2014, 34(2): 0206002.

[18] [18] Hainberger R, Hoshida T, Watanabe S, et al. BER estimation in optical fiber transmission systems employing all-optical 2R regenerators［J］. Journal of Lightwave Technology, 2004, 22(3): 746-754.

[19] [19] An J G, Wu B J, Zhou X Y. Assessment of performance for all-optical reshapers based on the power transfer function［J］. Acta Photonica Sinica, 2013, 42(1): 38-42.

[20] [20] Lu H, Wu B J, Geng Y,et al. Q-factor improvement of degenerate four-wave-mixing regenerators for ASE degraded signals［J］. Optoelectronics Letters, 2017, 13(6): 401-404.

[21] [21] Guo Y, Zhu S L, Kuang G H, et al. Demonstration of a symmetric 40 Gbit/s TWDM-PON over 40 km passive reach using 10 G burst-mode DML and EDC for upstream transmission［J］. Journal of Optical Communications and Networking, 2015, 7(3): A363-A371.

[22] [22] Sun S, Liu D. All-optical in-band OSNR monitors based on unphase-matched four-wave mixing［J］. Proceedings of SPIE, 2011, 8333: 83330Y.

[23] [23] Lee J H, Jung D K, Kim C H, et al. OSNR monitoring technique using polarization-nulling method［J］. IEEE Photonics Technology Letters, 2001, 13: 88-90.

[24] [24] Dahdah N E, Govan D S, Jamshidifar M, et al. Fiber optical parametric amplifier performance in a 1-Tb/s DWDM communication system［J］. IEEE Journal of Selected Topics in Quantum Electronics, 2012, 18(2): 950-957.