High-speed optical packet processing technologies based on novel optoelectronic devices

Hirokazu Takenouchi, Ryo Takahashi, Kiyoto Takahata, Tatsushi Nakahara, Hiroyuki Suzuki

Research output: Contribution to journalArticle

Abstract

To cope with the explosive growth of IP traffic, we must increase both the link capacity between nodes and the node throughput. These requirements have stimulated research on photonic networks that use optical technologies. Optical packet switching (OPS) is an attractive solution because it maximizes the use of the network bandwidth. The key functions in achieving such networks include synchronization, label processing, compression/decompression, regeneration, and buffering for high-speed asynchronous optical packets. However, it is impractical to implement such functions by using 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 OCG provides a single optical pulse synchronized with the incoming packet, and the SPC carries out a parallel conversion of the incoming packet. The parallel converted data are processed in the smart CMOS circuit, and reconstructed into an optical packet by the photonic PSC. Our system makes it possible to carry out various functions for high-speed asynchronous optical packets. This paper reviews our recent work on high-speed optical packet processing technologies such as buffering, packet compression/decompression, and label swapping, which are key technologies for constructing future OPS networks.

Original languageEnglish
Article number38
Pages (from-to)277-290
Number of pages14
JournalUnknown Journal
Volume5595
DOIs
Publication statusPublished - 2004
Externally publishedYes

Fingerprint

optoelectronic devices
Optoelectronic devices
Photonics
Packet switching
Pulse generators
high speed
Labels
Clocks
Processing
converters
Packet networks
Switching networks
packet switching
Laser pulses
Synchronization
pulse generators
pressure reduction
Throughput
photonics
optical switching

Keywords

  • MPLS
  • Multi-protocol label switching
  • Optical clock-pulse generator
  • Optical packet processing
  • Optical packet switching
  • Parallel-to-serial converter
  • Serial-to-parallel converter

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

High-speed optical packet processing technologies based on novel optoelectronic devices. / Takenouchi, Hirokazu; Takahashi, Ryo; Takahata, Kiyoto; Nakahara, Tatsushi; Suzuki, Hiroyuki.

In: Unknown Journal, Vol. 5595, 38, 2004, p. 277-290.

Research output: Contribution to journalArticle

Takenouchi, Hirokazu ; Takahashi, Ryo ; Takahata, Kiyoto ; Nakahara, Tatsushi ; Suzuki, Hiroyuki. / High-speed optical packet processing technologies based on novel optoelectronic devices. In: Unknown Journal. 2004 ; Vol. 5595. pp. 277-290.
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