Title :
Polarisation-independent semiconductor optical amplifier module using twin GRIN rod lenses
Author :
Toyonaka, Takahiro ; Tsuji, Satoshi ; Haneda, M. ; Ono, Yuto
Author_Institution :
Central Res. Lab., Hitachi Ltd., Tokyo, Japan
fDate :
5/23/1991 12:00:00 AM
Abstract :
A polarisation insensitive semiconductor optical amplifier module with a gain of 18 dB and a 0.5 dB gain difference is demonstrated. Coupling optics using twin GRIN rod lenses achieve efficient and reflection-free couplings.
Keywords :
gradient index optics; optical communication equipment; optical couplers; semiconductor junction lasers; 18 dB; coupling optics; gain difference; polarisation insensitive semiconductor optical amplifier module; reflection-free couplings; twin GRIN rod lenses;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19910588
