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Optical Engineering

Wavelength division multiplexing based optical backplane with arrayed waveguide grating passive router
Author(s): E. Grivas; E. D. Kyriakis-Bitzaros; George Halkias; S. Katsafouros; Geert Morthier; Pieter Dumon; Roel G. Baets; T. Farell; Neil F. Ryan; Iain McKenzie; E. Armadillo
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Paper Abstract

A wavelength division multiplexing (WDM)-based optical backplane architecture is introduced. It is a tunable transmitter fixed receiver (TT-FR) architecture incorporating an N×N arrayed waveguide grating (AWG) element for passive data routing between the nodes, which in conjunction with star couplers, offers both unicast and multicast capabilities. The data and control plane of the network are implemented on a high-speed field programmable gate array (FPGA), and a four-node demonstrator is built up. Three different types of AWG routing elements implemented in different technologies are employed, and bit error rate (BER) versus incident power on the receiver measurements are presented for a data rate of 10 Gbps per link. A total switching time as low as 500 ns is achieved, permitting packet switching operation with more than 95% efficiency when the packet length is greater than 10 kbytes.

Paper Details

Date Published: 1 February 2008
PDF: 7 pages
Opt. Eng. 47(2) 025401 doi: 10.1117/1.2842380
Published in: Optical Engineering Volume 47, Issue 2
Show Author Affiliations
E. Grivas, National Ctr. for Scientific Research Demokritos (Greece)
E. D. Kyriakis-Bitzaros, National Ctr. for Scientific Research Demokritos (Greece)
George Halkias, National Ctr. for Scientific Research Demokritos (Greece)
S. Katsafouros, National Ctr. for Scientific Research Demokritos (Greece)
Geert Morthier, Univ. Gent (Belgium)
Pieter Dumon, Univ. Gent (Belgium)
Roel G. Baets, Univ. Gent (Belgium)
T. Farell, Intune Technologies (Ireland)
Neil F. Ryan, Intune Technologies (Ireland)
Iain McKenzie, European Space Research and Technology Ctr. (Netherlands)
E. Armadillo, European Space Research and Technology Ctr. (Netherlands)

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