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Packet switching performance at 10 Gb/s across a 4 × 4 optical crosspoint switch matrix

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4 Author(s)
Djordjevic, I.B. ; Dept. of Electr. & Electron. Eng., Univ. of Bristol, UK ; Varrazza, R. ; Hill, M. ; Siyuan Yu

Packet-switching characteristics of an integrated 4 × 4 InGaAsP-InP active vertical coupler optical cross-point switch matrix are optimized. Optical gain differences of less then 3 dB between the shortest and longest switching paths are achieved. Bit-error rate (BER) and power penalty measurements during packet routing have been carried out over the entire 4 × 4 matrix. At 10-Gb/s packet data rate less than 1-dB power penalty is found across the switch matrix, and the possibility for error-free packet routing is demonstrated with no BER floor observed.

Published in:

Photonics Technology Letters, IEEE  (Volume:16 ,  Issue: 1 )