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All-optical demultiplexing using fiber cross-phase modulation (XPM) and optical filtering

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2 Author(s)
Olsson, B.E. ; Dept. of Electr. & Comput. Eng., California Univ., Santa Barbara, CA, USA ; Blumenthal, D.J.

All-optical demultiplexing of 80-Gb/s data to 10 Gb/s is demonstrated using spectral broadening-induced by cross-phase modulation (XPM) with subsequent optical band-pass filtering. Due to the time derivative effect of XPM, the control pulsewidth can be larger than the bit-slot of the incoming data, and still give a switch window suitable for demultiplexing. Operation at 10/sup -12/ bit-error rate is demonstrated. In principle, this approach will scale to extremely high bit rates due to the ultrafast fiber nonlinearities.

Published in:

Photonics Technology Letters, IEEE  (Volume:13 ,  Issue: 8 )