Optical phase-locked loop using semiconductor laser diodes

20 January 1983

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 19 (2) , 69-71
https://doi.org/10.1049/el:19830051

Abstract

A system for locking two semiconductor lasers in phase has been devised. It consisted of heterodyning two GaAlAs laser diodes and comparing the phase of the beat frequency signal with the phase of a reference RF local oscillator. The resulting phase error was used as a feedback signal and current fed back to the local oscillator laser to lock the two lasers in phase.

Keywords

OPTICAL PLL
III-V SEMICONDUCTOR
REFERENCE RF LOCAL OSCILLATOR
GAALAS LASER DIODES
FEEDBACK SIGNAL
SEMICONDUCTOR LASER DIODES

This publication has 1 reference indexed in Scilit:

GaAs IC Direct-Coupled Amplifiers
Published by Institute of Electrical and Electronics Engineers (IEEE) ,2005