Title :
Stabilisation of external optical feedback phase in a semiconductor laser
Author :
Jain, S.K. ; Ezekiel, Soundararajan
Author_Institution :
Massachusetts Institute of Technology, Research Laboratory of Electronics, Cambridge, USA
Abstract :
The linewidth of a semiconductor laser was reduced and held to much less than 1 MHz using a simple DC scheme for the stabilisation of the phase of external optical feedback. This scheme was based on the antisymmetric response to feedback phase at the two laser facets.
Keywords :
feedback; laser frequency stability; semiconductor junction lasers; spectral line breadth; DC scheme; antisymmetric response; external optical feedback phase; linewidth; semiconductor laser; stabilisation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19850676
