[1] Galeener F L. Band limits of vibrational spectra of tetrahedral glass. Phys. Rev. (B), 1979, 19(8):4292~4296
[3] Davey S T. Optical gain spectrum of GeO2-SiO2 Raman fiber amplifiers. IEE Proc., 1989, 136:301~307
[4] Neuhauser R E, Krummrich P M, Bock H et al.. Impact of nonlinear pump interactions on broadband distributed Raman amplification. OFC ′2001. MA-4
[5] Kidorf H et al.. Pump interaction in a 100-nm bandwidth Raman amplifier. IEEE Photonics Technol. Lett., 1999, 11(5):530~532