Coherent optical fibre system with Zeeman lasers

2 January 1987

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

Vol. 23 (1) , 49-50
https://doi.org/10.1049/el:19870036

Abstract

A coherent optical fibre system is studied in which two Zeeman lasers are used as local oscillator and transmitter laser, and which work independently of each other without any frequency tracking loop, which is usually indispensable in coherent optical systems. The system works satisfactorily. The intermediate frequency can be arbitrarily tuned from about 400 MHz to 4 MHz.

Keywords

INTERMEDIATE FREQUENCY
ZEEMAN LASERS
HE-NE LASER
TRANSMITTER LASER
COHERENT OPTICAL FIBRE SYSTEM
4 TO 400 MHZ
TUNING

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