Title :
Optical heterodyne receiver providing random channel selection
Author_Institution :
AT&T Bell Labs., Holmdel, NJ, USA
Abstract :
The authors describe a digitally tuned optical heterodyne receiver which can randomly access the channels of an FDM optical communication system. The receiver can identify missing channels, and is insensitive to variation of the LO laser frequency relative to the tuning current.
Keywords :
frequency division multiplexing; frequency shift keying; optical communication equipment; optical fibres; optical links; receivers; telecommunication channels; tuning; DBR lasers; FDM optical communication system; FSK; digital tuning; missing channel identification; optical fibre links; optical heterodyne receiver; random access; random channel selection; semiconductor lasers;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19890857
