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NOLM oscillator and its injection locking technique for timing clock extraction and demultiplexing

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3 Author(s)
Nakazawa, M. ; Opt. Soliton Transmission Group, NTT Access Network Syst. Labs., Tokai, Japan ; Suzuki, K. ; Yamada, E.

A new regeneratively mode-locked opto-electric oscillator, using a nonlinear optical loop mirror (NOLM), is presented. Part of the NOLM output is led to a clock extraction circuit, and the extracted signal is fedback to a gainswitched laser diode which is used as a control pulse. When a CW input beam is coupled into the NOLM, the electro-optic feedback circuit initiates the pulse oscillation. The authors generated a 9 ps optical pulse train at 10 GHz

Published in:

Electronics Letters  (Volume:32 ,  Issue: 12 )