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Byte-Level Parametric Wavelength Exchange for Narrow Pulsewidth Return-to-Zero Signal

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4 Author(s)
Mengzhe Shen ; Dept. of Electr. & Electron. Eng., Univ. of Hong Kong, Hong Kong, China ; Xing Xu ; Yuk, T.I. ; Wong, K.K.Y.

We investigate the feasibility of switching return-to-zero signals with 3-ps pulsewidth by byte-level parametric wavelength exchange (PWE) numerically and experimentally. Square-wave modulated pumps are used in PWE for pump gating. Simultaneous bit swapping for two signals at the same time slot is achieved. Error-free operation is achieved for both signal channels with ap3.5-dB power penalty at 10-9 bit-error rate.

Published in:

Photonics Technology Letters, IEEE  (Volume:21 ,  Issue: 21 )