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All-Optical Byte Recognition for 40-Gb/s Phase-Shift-Keyed Transmission Using a Planar-Lightwave-Circuit Passive Correlator

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14 Author(s)
Kang, I. ; Bell Labs., Alcatel-Lucent, Holmdel, NJ ; Rasras, M. ; Dinu, M. ; Cappuzzo, M.
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We demonstrate all-optical recognition of a byte pattern embedded in phase-shift-keyed data streaming at 40 Gb/s. We use matched filtering to generate an autocorrelation pulse indicating the pattern matching. Matched filtering is implemented using a reconfigurable silica planar-lightwave-circuit optical delay-line filter. We show excellent discrimination against spurious patterns consistent with the theoretical predictions.

Published in:

Photonics Technology Letters, IEEE  (Volume:20 ,  Issue: 12 )