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CORD-A WDM optical network: design and experiment of fast data synchronization by pilot-tone transport

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5 Author(s)
Chung-Li Lu ; Dept. of Electr. Eng., Stanford Univ., CA, USA ; Fong, T.K. ; Hofmeister, R.T. ; Poggiolini, P.
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CORD is a 2.5-Gb/s//spl lambda/ wavelength division multiplexing (WDM) packet switched network experiment. We have experimentally demonstrated a pilot-tone transport for the high-speed data synchronization in CORD. The optical power penalty is minimized to about 1 dB by equalizing the frequency response of the payload data channel and optimizing the pilot-tone modulation depth. The main advantages of the pilot-tone transport are: 1) a simple transceiver structure; and 2) a fast clock recovery time (within 40 b, 16 ns).

Published in:

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