[1] D. Norte, A. E. Willner. Multistage all-optical WDM-to-TDM-to-WDM and TDM-to-WDM-to-TDM data-format conversion and reconversion through 80 km of fiber and three EDFA′s [J]. IEEE Photon. Technol. Lett ., 1995, 7(11): 1354～1356

[2] Y. Liu, E. Tangdiongga, Z. Li et al.. Error-free all-optical wavelength conversion at 160 Gb/s using a semiconductor optical amplifier and an optical bandpass filter[J]. J. Lightwave Technol., 2006, 24(1): 230～236

[3] Wang Hua, Yao Minyu, Zhang Hongming et al.. Multi-wavelength fiber ring laser with semiconductor optical amplifier[J]. Chinese. J. Lasers, 2007, 34(11): 1502～1506

[4] Dong Jianji, Zhang Xinliang, Ding Yuan et al.. High speed wavelength conversion and format conversion based on semiconductor optical amplifier and optical filter [J]. Chinese. J. Lasers, 2007, 34(7): 940～944

[5] Junyi Zhang, Jian Wu, Kun Xu et al.. All-optical wavelength conversion based on nonlinear polarization rotation ( NPR) in SOA and AWG filtering [J]. Chin. Opt. Lett., 2006, 4(4): 205～207

[6] Y. Ben Ezra, M. Haridim, B. I. Lembrikov. Theoretical analysis of gain-recovery time and chirp in QD-SOA[J]. IEEE Photon. Technol. Lett., 2005, 17(9): 1803～1805

[7] Andrea Fiore, Alexander Markus. Differential gain and gain compression in quantum-dot lasers[J]. IEEE J. Quantum Electron., 2007, 43(4): 287～294

[8] Jinlong Xiao, Yongzhen Huang. Numerical analysis of gain saturation, noise figure, and carrier distribution for quantum-dot semiconductor optical amplifiers[J]. IEEE J. Quantum Electron., 2008, 44(5): 448～455

[9] Omar Qasaimesh. Optical gain and saturation characteristics of quantum-dot semiconductor optical amplifiers[J]. IEEE J. Quantum Electron., 2003,39(6): 793～798

[10] L. Asryan, R.Suris. Charge neutrality violation in quantum-dot lasers[J]. IEEE J. Sel. Top. Quantum. Electron., 1997, 3: 148～157