[1] [1] YU C, YAN L S, LUO T, et al. Width-tunable optical RZ pulse train generation based on four-wave mixing in highly nonlinear fiber［J］. IEEE Photonics Technology Letters, 2005, 17(3): 636-638.

[2] [2] GUPTA G C, FUKUCHI K, OGATAT T. Highly efficient 1 Tb/s (50ch ×20 Gb/s)-2000 km RZ transmission experiment by suppressing XPM with optimized pulsewidth［C］. Optical Fiber Communication Conference 2000, 1: 152-154.

[3] [3] CONSOLI A, ESQUIVIAS I, HERNANDEZ F J L, et al. Characterization of gain-switched pulses from 1.55 μm VCSEL［J］. IEEE Photonics Technology Letters, 2010, 22(11): 772-774.

[4] [4] LATKOWSKI S, MALDONADO-BASILIO R， LANDAIS P.Short pulse generation with 40 GHz passively-mode locked Q-dashed fabry-pérot Laser［C］. Transparent Optical Networks, 2009. ICTON ′09. 11th International Conference on, 2009: 1-4.

[5] [5] CHEN Zhe, SUN Hong-zhi, MA Shao-zhen, et al. Dual-wavelength mode-locked erbium-doped fiber ring laser using highly nonlinear fiber［J］. IEEE Photonics Technology Letters, 2008, 20(24): 2066-2068.

[6] [6] MURPHY T E. 10-GHz 1.3-ps pulse generation using chirped soliton compression in a raman gain medium［J］. IEEE Photonics Technology Letters, 2002, 14(10): 1424-1426.

[7] [7] KOMUKAI T, YAMAMOTO T, KAWANISHI S. Optical pulse generator using phase modulator and linearly chirped fiber bragg gratings［J］. IEEE Photonics Technology Letters,2005, 17(8): 1746-1748.

[8] [8] CLAUSEN A T, OXENLOWE L, PEUCHERET C, et al. 10-GHz return-to-zero pulse source tunable in wavelength with a single- or multiwavelength output based on four-wave mixing in a newly developed highly nonlinear fiber［J］. IEEE Photonics Technology Letters, 2001, 13(1): 70-72.

[9] [9] TOROUNIDIS T, SUNNERUD H, HEDEKVIST P O, et al. 40-Gb/s transmission using RZ-pulse source based on fiber optical parametric amplification［J］. IEEE Photonics Technology Letters, 2003, 15(8): 1159-1161.

[11] [11] HANSRYD J, ANDREKSON P A, WESTLUND M, et al. Fiber-based optical parametric amplifiers and their applications［J］. IEEE Journal of Selected Topics in Quantum Electronics, 2002, 8(3): 506-520.

[12] [12] KOBAYASHI T, YAO H, AMANO K, et al. Optical pulse compression using high-frequency electrooptic phase modulation［J］. IEEE Journal of Selected Topics in Quantum Electronics, 1988, 24(2): 382-387.