Rapidly switching all-optical packet routing system with optical-label swapping incorporating tunable wavelength conversion and a uniform-loss cyclic frequency AWGR

This letter discusses an experimental demonstration of a rapidly switching all-optical packet routing system with optical-label switching and all-optical label-swapping capabilities. The optical routing system optically extracts the subcarrier optical-label content, compares it against the forwardin...

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Bibliographic Details
Published in:IEEE photonics technology letters 2002-08, Vol.14 (8), p.1211-1213
Main Authors: Yoo, S.J.B., Hyuek Jae Lee, Zhong Pan, Jing Cao, Yanda, Z., Okamoto, K., Kamei, S.
Format: Article
Language:English
Subjects:
Arrayed waveguide gratings
Conversion
Decisions
Diffraction gratings
Fabrics
Frequency conversion
Multiprotocol label switching
Optical frequency conversion
Optical packet switching
Optical waveguides
Optical wavelength conversion
Packet switching
Subcarriers
Switching
Tables (data)
Wavelength routing
Wavelengths
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Summary:This letter discusses an experimental demonstration of a rapidly switching all-optical packet routing system with optical-label switching and all-optical label-swapping capabilities. The optical routing system optically extracts the subcarrier optical-label content, compares it against the forwarding table, makes packet forwarding and label-swapping decisions, and forward the packet to the desired output with a newly updated subcarrier optical label. The packet switching fabric included a combination of rapidly tunable wavelength conversion and a uniform-loss cyclic frequency 8/spl times/8 arrayed waveguide grating router. The packet routing system achieved 600-ps switching time and 250-ns forwarding decision time. Accumulated packet bit-error-rate measurements confirm the successful error-free packet routing with all-optical label-swapping.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2002.1022021