[1] KIDORF H,ROTTWITT K,NISSOV M et al.Pump interactions in a 100nm bandwidth Raman amplifier[J].IEEE Photon Technol Lett,1999,11(5):530~532.
[2] EMORI Y,TANAKA K,NAMIKI S.100nm bandwidth flat gain Raman amplifiers pumped and gain-equalised by 12-wavelength-channel WDM laser diode unit[J].Electron Lett,1999,35(16):1355~1356.
[3] FLUDGER C,MARONEY A,JOLLEY N.An analysis of the improvements in OSNR from distributed Raman amplifiers using modern transmission fibers[J].Optical Fiber Communication Conference,2000,4:100~102.
[4] NAMIKI S.Recent advances in Raman amplifiers[J].Opt Commun,2001,5:162~181.
[5] AGRAWAL G P.Nonlinear fiber optics[M].3rd edition,New York:Academic Press,2001.299~300.
[6] NAMIKI S,EMON Y.Ultrabroad-band amplifiers pumped andgain-equalized by wavelength-division-multiplexed high-power laser diodes[J].IEEE Journal on Select Topics Quantum Electron,2001,7(1):3~16.
[7] LIU X M,ZHANG H Y,GUO Y L.A novel method for Raman amplifer propagation equations[J].IEEE Photon Technol Lett,2003,15(3):392~394.
[8] MIN B,LEE W J,PARK N Y.Efficient formulation of Raman amplifier propagation equations with average power analysis[J].IEEE Photon Technol Lett,2000,12(11):1486~1488.
[9] ZHOU X,LU Ch,SHUM P et al.A simplified model and optimal design of a multiwavelength backward-pumped fiber Raman amplifier[J].IEEE Photon Technol Lett,2001,13(9):945~947.