Simultaneous demultiplexing and clock recovery using a single electroabsorption modulator in a novel bi-directional configuration


A single electroabsorption modulator was used to demultiplex a 10 Gbit/s channel from a 40 Gbit/s OTDM data stream, whilst simultaneously recovering the 10 GHz electrical clock. This was achieved using a new bi-directional operation of the EA modulator, combined with a simple phase-locked loop feedback circuit. Excellent system performance was achieved, indicating that operation up to and beyond 100 Gbit/s is possible using current technology.

Uncontrolled Keywords: clock recovery, OTDM demultiplexing, phase-locked-loop, electroabsorption modulator
Publication ISSN: 0030-4018
Last Modified: 23 Oct 2019 10:38
Date Deposited: 13 Dec 2011 12:05
Published Date: 1998-05-01
Authors: Phillips, Ian
Gloag, A.
Moodie, D.G.
Doran, Nick
Bennion, Ian
Ellis, Andrew


Item under embargo.

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