Semiconductor laser white noise suppression by optical filtering with ultra-narrowband FBG

The white frequency noise of semiconductor lasers is attenuated significantly by optical filtering with an ultra-narrowband fiber Bragg grating. This noise reduction will improve carrier phase estimation in coherent receivers of multi-symbol signals.

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Bibliographic Details
Main Authors: Ayotte, S, Costin, F, Aube, M, Painchaud, Y, Morin, M, Poulin, M, Latrasse, C
Format: Conference Proceeding
Language:English
Subjects:
(060.3735) Fiber Bragg gratings
(250.5960) Semiconductor lasers
Bragg gratings
Frequency measurement
Laser noise
Optical fibers
Optical filters
Optical interferometry
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Description
Summary:The white frequency noise of semiconductor lasers is attenuated significantly by optical filtering with an ultra-narrowband fiber Bragg grating. This noise reduction will improve carrier phase estimation in coherent receivers of multi-symbol signals.
DOI:10.1364/ofc.2011.othp5