Title :
Highly efficient integrated optical fibre amplifier module pumped by a 0.98 mu m laser diode
Author :
Shimizu, Maiko ; Horiguchi, M. ; Yamada, Makoto ; Okayasu, M. ; Takeshita, Takaharu ; Nishi, I. ; Vehara, S. ; Noda, J. ; Sugita, E.
Author_Institution :
NTT Opto-electron. Labs., Ibaraki, Japan
fDate :
4/14/1990 12:00:00 AM
Abstract :
A small fibre amplifier module pumped by a 0.98 mu m LD has been fabricated. Using a low erbium content fibre with a 4.9 dB/mW gain coefficient, the module attained 33 dB gain at 1.535 mu m with only 80 mA drive current.
Keywords :
amplifiers; erbium; laser transitions; modules; optical communication equipment; optical fibres; optical pumping; solid lasers; 0.98 micron; 1.535 micron; 33 dB; 80 mA; gain characteristics; integrated module; laser diode pump; low Er content fibre; optical communications; optical fibre amplifier; solid lasers;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19900324