Title :
22 dB gain semiconductor optical amplifier module using high numerical aperture aspheric lenses
Author :
Toyonaka, Takahiro ; Tsuji, Satoshi
Author_Institution :
Central Res. Labs., Hitachi Ltd., Tokyo, Japan
fDate :
7/2/1992 12:00:00 AM
Abstract :
A polarisation-insensitive semiconductor optical amplifier (SOA) module with a net gain of 22 dB is demonstrated. High numerical aperture, low aberration aspheric glass moulded lenses are efficiently used for optical coupling between the SOA chip and singlemode fibres.
Keywords :
aspherical lenses; integrated optics; modules; optical communication equipment; optical couplers; optical waveguides; packaging; semiconductor junction lasers; 22 dB; aspheric lenses; high numerical aperture; optical coupling; polarisation-insensitive; semiconductor lasers; semiconductor optical amplifier module; singlemode fibres;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19920827