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High-Speed Optical Packet Processing Technologies for Optical Packet-Switched Networks
Hirokazu TAKENOUCHI Tatsushi NAKAHARA Kiyoto TAKAHATA Ryo TAKAHASHI Hiroyuki SUZUKI
IEICE TRANSACTIONS on Electronics
Publication Date: 2005/03/01
Print ISSN: 0916-8516
Type of Manuscript: INVITED PAPER (Special Section on Optical Signal-Processing Devices for Photonic Networks)
optical packet switching, optical packet processing, serial-to-parallel converter, parallel-to-serial converter, optical clock-pulse generator, multi-protocol label switching, MPLS,
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Asynchronous optical packet switching (OPS) is a promising solution to support the continuous growth of transmission capacity demand. It has been, however, quite difficult to implement key functions needed at the node of such networks with all-optical approaches. We have proposed a new optoelectronic system composed of a packet-by-packet optical clock-pulse generator (OCG), an all-optical serial-to-parallel converter (SPC), a photonic parallel-to-serial converter (PSC), and CMOS circuitry. The system makes it possible to carry out various required functions such as buffering (random access memory), optical packet compression/decompression, and optical label swapping for high-speed asynchronous optical packets.