Chinese Journal of Lasers, Volume. 13, Issue 8, 489(1986)
Laser heterodyne bias frequency-locking for coherent optical communication
A new frequency modulation system for lasers by heterodyne bias frequency-locking is proposed and developed. The technique can be used in heterodyne or coherent single mode optical communication. Experiments on grating-tuned CO2 laser system and Zeeman He-Ne laser system are described. Radio broadcast has been relayed in the locked system successfully. The conditions for practical optical fiber communication with semiconductor laser of heterodyne bias frequency-locked system are discussed.
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Liao Shiqiang, Bian Shuheng, Sun Shundi. Laser heterodyne bias frequency-locking for coherent optical communication[J]. Chinese Journal of Lasers, 1986, 13(8): 489