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Opt Express. 2009 Apr 13;17(8):6629-35.

Photonic integrated circuit optical buffer for packet-switched networks.

Author information

1
Electrical and Computer Engineering Department, University of California at Santa Barbara, California 93106-9560, USA. eburmeis@umail.ucsb.edu

Abstract

A chip-scale optical buffer performs autonomous contention resolution for 40-byte packets with 99% packet recovery. The buffer consists of a fast, InP-based 2 x 2 optical switch and a silica-on-silicon low loss delay loop. The buffer is demonstrated in recirculating operation, but may be reconfigured in feed-forward operation for longer packet lengths. The recirculating buffer provides packet storage in integer multiples of the delay length of 12.86 ns up to 64.3 ns with 98% packet recovery. The buffer is used to resolve contention between two 40 Gb/s packet streams using multiple photonic chip optical buffers.

PMID:
19365489
[Indexed for MEDLINE]

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