Title :
Appropriate micro-lens to improve coupling between laser diodes and singlemode fibres
Author :
Thual, M. ; Chanclou, P. ; Gautreau, O. ; Caledec, L. ; Guignard, C. ; Besnard, P.
Author_Institution :
Centre Commmun Lannionnais d´´Optique, Ecole Nationale Superieure, Lannion, France
Abstract :
A new configuration of micro-lensed fibre that consists of a quarter pitch length of 125/125 μm graded index section with a hyperbolic end shape is proposed. Low loss and long working distance for laser diode and singlemode fibre coupling have been verified.
Keywords :
gradient index optics; microlenses; optical fibre couplers; semiconductor lasers; 125 micron; graded index section; hyperbolic end shape; laser diodes; loss; micro-lens; quarter pitch length; singlemode fibres; working distance;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20030986
