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Proceedings Paper

Photonic packet routing based on multiwavelength label switch using multisection fiber Bragg gratings
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Paper Abstract

We are developing photonic packet switching system called multi-wavelength label switching node (Ml-LSN). This is a desired system to build ultra high-speed packet switching. The Ml-LSN analyzes the label all-optically. The photonic packet switching can be achieved with a help of optical packet with a multi-wavelength label. Different from an optical cross-connect (OXC) in a wavelength routing network, the Ml-LSN inherently has fine granularity. The Ml-LSN consists of photonic forwarding (label lookup), photonic switching, electronic scheduling, and photonic buffering. We describe demonstrations of photonic packet routing using the forwarding and the photonic switching in the Ml-LS. We report recent developments in the photonic packet routing based on multi-wavelength label switch. All-optical functions, variable data rate switching, variable length packet switching, label swapping, and label merge (replacing multiple labels by a single label) are demonstrated. We describe multi-stage fiber delay line buffer architecture to compensate for gap between electronic scheduling speed and optical data rate.

Paper Details

Date Published: 8 July 2002
PDF: 14 pages
Proc. SPIE 4872, Optical Transmission Systems and Equipment for WDM Networking, (8 July 2002); doi: 10.1117/12.475118
Show Author Affiliations
Naoya Wada, Communications Research Lab. (Japan)
Hiroaki Harai, Communications Research Lab. (Japan)

Published in SPIE Proceedings Vol. 4872:
Optical Transmission Systems and Equipment for WDM Networking
Benjamin B. Dingel; Brewster Roe Hemenway; Achyut Kumar Dutta; Ken-Ichi Sato, Editor(s)

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