Title :
Unique laser diode module using short tapered hemispherical-end fibre for optical hybrid integration
Author :
Tachikawa, Yuki ; Kobayashi, S.
Author_Institution :
NTT Opt.-electron. Labs., Ibaraki, Japan
fDate :
5/9/1991 12:00:00 AM
Abstract :
A unique laser diode (LD) module which incorporates a short singlemode fibre (SMF) chip with an optimised tapered hemispherical end for optical hybrid integration has been developed. To obtain excellent coupling stability, the new structural LD module was assembled by advanced Nd-YAG laser welding. An averaged coupling loss of 3.15 dB was obtained.
Keywords :
integrated optoelectronics; optical communication equipment; optical fibres; semiconductor junction lasers; coupling stability; laser diode module; laser welding; optical hybrid integration; short tapered hemispherical-end fibre; singlemode fibre; structural LD module;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19910554