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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editor: Richard A. Linke
  • Vol. 6, Iss. 8 — Aug. 1, 2007
  • pp: 975–983

Demonstration of a time buffer for an all-optical packet router

J. D. LeGrange, P. Bernasconi, J. E. Simsarian, D. T. Neilson, D. Stiliadis, J. Gripp, and M. Zirngibl  »View Author Affiliations


Journal of Optical Networking, Vol. 6, Issue 8, pp. 975-983 (2007)
http://dx.doi.org/10.1364/JON.6.000975


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Abstract

We demonstrate an optical time buffer technology that meets the requirements of an all-optical packet router with a load-balancing architecture. The buffer is based on wavelength switching and an arrayed waveguide grating, which selects one of the delays in an array of fiber delay lines of increasing length. This buffer is unique because it enables the maximal sharing of delay lines among multiple input ports. Each of the N delays can simultaneously support N different wavelengths; therefore, for N input ports, the total buffer capacity is of the order of N<sup>3</sup> packets. Measurements performed with data at 10 Gbits/s and N=3 show that there is only a 2 dB bit error rate (BER) penalty resulting from wavelength switching.

© 2007 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(070.4560) Fourier optics and signal processing : Data processing by optical means
(230.0230) Optical devices : Optical devices
(230.1150) Optical devices : All-optical devices

ToC Category:
RESEARCH PAPERS

History
Original Manuscript: April 6, 2007
Revised Manuscript: June 1, 2007
Manuscript Accepted: June 2, 2007
Published: July 10, 2007

Citation
J. D. LeGrange, P. Bernasconi, J. E. Simsarian, D. T. Neilson, D. Stiliadis, J. Gripp, and M. Zirngibl, "Demonstration of a time buffer for an all-optical packet router," J. Opt. Netw. 6, 975-983 (2007)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jon-6-8-975


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