Title :
Pump light depolarization method for low PDG Raman amplification
Author :
Tokura, Tashiyuki ; Kogure, Taichi ; Sugihara, Takashi ; Shimizu, Katsuhiro ; Mizuochi, Takashi ; Motoshima, Kuniaki
Author_Institution :
Inf. Technol. R&D Center, Mitsubishi Electr. Corp., Kanagawa, Japan
Abstract :
In order to reduce polarisation dependence of gain (PDG) of Raman amplification, pump depolarization method with polarisation maintaining fibre (PMF) depolarizer is discussed. PMD of the depolarizer should be designed to optimum value determined by pump LD´s longitudinal mode spacing.
Keywords :
Raman lasers; laser modes; optical fibre amplifiers; optical fibre communication; optical fibre polarisation; optical polarisers; optical pumping; PMF-depolarizer; Raman amplification; low PDG Raman amplification; optimum value; polarisation dependence of gain; polarisation maintaining fibre depolarizer; pump LD longitudinal mode spacing; pump depolarization method; pump light depolarization method; Frequency; Information technology; Laser excitation; Laser modes; Optical fiber polarization; Optical polarization; Optical pumping; Pump lasers; Research and development; Stimulated emission;
Conference_Titel :
Optical Fiber Communication Conference and Exhibit, 2002. OFC 2002
Print_ISBN :
1-55752-701-6
DOI :
10.1109/OFC.2002.1036620
