Title :
Optical and electronic reduction of Rayleigh backscatter noise in fibre-coupled semiconductor diode lasers
Author :
Yurek, A. ; Dandridge, A.
Author_Institution :
Naval Research Laboratory, Washington, USA
Abstract :
Optical and electronic feedback techniques have been implemented to reduce the noise induced by Rayleigh backscatter in a semiconductor laser endfire-coupled to an optical fibre. An intensity noise reduction of 12 dB and a frequency noise reduction of 30 dB were observed.
Keywords :
Rayleigh scattering; feedback; fibre optic sensors; optical fibres; semiconductor junction lasers; Rayleigh backscatter noise; electronic feedback techniques; fibre optic sensor; fibre-coupled semiconductor diode lasers; frequency noise reduction; intensity noise reduction; optical feedback; semiconductor laser endfire-coupled;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19860442