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All-optical clock recovery from RZ-format data by using a two-section gain-coupled DFB laser

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4 Author(s)
Weiming Mao ; Sch. of Opt./CREOL, Univ. of Central Florida, Orlando, FL, USA ; Yuhua Li ; M. Al-Mumin ; Guifang Li

High-speed all-optical clock recovery using a two-section gain-coupled distributed feedback laser is demonstrated operating in the coherent and the incoherent modes. It is found that the coherent mode has a much better performance compared with the incoherent mode. The performance of the coherent clock recovery scheme at 12 and 40 Gb/s, including wavelength and polarization insensitivity, timing jitter, and phase noise; power penalty; sensitivity; dynamic range; locking bandwidth; detuning range of the injection wavelength; and lockup time are described in detail. A comparison between the performances of the two modes of operation is also presented.

Published in:

Journal of Lightwave Technology  (Volume:20 ,  Issue: 9 )