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Proceedings Paper

Optical packet switching
Author(s): Eyal Shekel; Shlomo Ruschin; Daniel Majer; Jeff Levy; Guy Matmon; Lisa Koenigsberg; Jacob Vecht; Amir Geron; Rotem Harlavan; Harel Shfaram; Arnon Arbel; Tom McDermott; Tony Brewer
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Paper Abstract

We report here a scalable, multichassis, 6.3 terabit core router, which utilizes our proprietary optical switch. The router is commercially available and deployed in several customer sites. Our solution combines optical switching with electronic routing. An internal optical packet switching network interconnects the router’s electronic line cards, where routing and buffering functions take place electronically. The system architecture and performance will be described. The optical switch is based on Optical Phased Array (OPA) technology. It is a 64 x 64, fully non-blocking, optical crossbar switch, capable of switching in a fraction of a nanosecond. The basic principles of operation will be explained. Loss and crosstalk results will be presented, as well as the results of BER measurements of a 160 Gbps transmission through one channel. Basic principles of operation and measured results will be presented for the burst-mode-receivers, arbitration algorithm and synchronization. Finally, we will present some of our current research work on a next-generation optical switch. The technological issues we have solved in our internal optical packet network can have broad applicability to any global optical packet network.

Paper Details

Date Published: 11 February 2005
PDF: 14 pages
Proc. SPIE 5625, Optical Transmission, Switching, and Subsystems II, (11 February 2005); doi: 10.1117/12.563166
Show Author Affiliations
Eyal Shekel, Chiaro Networks Ltd. (Israel)
Shlomo Ruschin, Chiaro Networks Ltd. (Israel)
Daniel Majer, Chiaro Networks Ltd. (Israel)
Jeff Levy, Chiaro Networks Ltd. (Israel)
Guy Matmon, Chiaro Networks Ltd. (Israel)
Lisa Koenigsberg, Chiaro Networks Ltd. (Israel)
Jacob Vecht, Chiaro Networks Ltd. (Israel)
Amir Geron, Chiaro Networks Ltd. (Israel)
Rotem Harlavan, Chiaro Networks Ltd. (Israel)
Harel Shfaram, Chiaro Networks Ltd. (Israel)
Arnon Arbel, Chiaro Networks Ltd. (Israel)
Tom McDermott, Chiaro Networks (United States)
Tony Brewer, Chiaro Networks (United States)


Published in SPIE Proceedings Vol. 5625:
Optical Transmission, Switching, and Subsystems II
Cedric F. Lam; Wanyi Gu; Norbert Hanik; Kimio Oguchi, Editor(s)

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