Title :
Flat gain profile in DRA-cascaded systems with fiber repair and pumping LD failure
Author :
Shimojoh, Naomasa ; Tanaka, Toshiki ; Nakamoto, Hiroshi ; Naito, Takao ; Yokota, Izumi ; Ueki, Toshikazu ; Suyama, Masuo
Author_Institution :
Fujitsu Labs. Ltd., Kawasaki, Japan
Abstract :
Gain profile in cascaded distributed Raman amplification with increased span loss due to fiber repair and with pumping LD failure are investigated experimentally for the first time. We propose the counter-measures and present the effectiveness.
Keywords :
Raman lasers; distributed amplifiers; optical pumping; semiconductor lasers; wavelength division multiplexing; DRA-cascaded systems; WDM; cascaded distributed Raman amplification; fiber repair; flat gain profile; gain saturation; pumping LD failure; span loss; submarine transmission systems; Bandwidth; Diode lasers; Electronic mail; Laboratories; Optical fiber cables; Optical fiber couplers; Propagation losses; Stimulated emission; Underwater vehicles; Wavelength division multiplexing;
Conference_Titel :
Optical Communication, 2001. ECOC '01. 27th European Conference on
Print_ISBN :
0-7803-6705-7
DOI :
10.1109/ECOC.2001.988864
