Extended baseline architecture for nonblocking photonic switching

A new switch architecture called extended baseline networks (EBN) is proposed for nonblocking photonic switching. This switch is a space-division multistage network using 2/spl times/2 optical switch elements which may be directional couplers fabricated on titanium diffused lithium niobate (Ti:LiNbO...

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Bibliographic Details
Published in:Journal of lightwave technology 1997-05, Vol.15 (5), p.771-778
Main Authors: Chiung-Shien Wu, Gin-Kou Ma, Lin, B.-S.P.
Format: Article
Language:English
Subjects:
Applied sciences
Attenuation
Communication switching
Directional couplers
Exact sciences and technology
Lithium niobate
Optical attenuators
Optical fiber networks
Optical interconnections
Optical switches
Signal to noise ratio
Stimulated emission
Switching and signalling
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
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Summary:A new switch architecture called extended baseline networks (EBN) is proposed for nonblocking photonic switching. This switch is a space-division multistage network using 2/spl times/2 optical switch elements which may be directional couplers fabricated on titanium diffused lithium niobate (Ti:LiNbO/sub 3/) substrates. A recursive definition for the proposed architecture is presented. Some properties including the number of switch elements required, blocking characteristics, number of crossovers, system attenuation, and signal-to-noise ratio (SNR) are derived and analyzed. Most of the characteristics are shown to be better than those of other well-known networks fabricated on single Ti:LiNbO/sub 3/ substrates.
ISSN:0733-8724
1558-2213
DOI:10.1109/50.580811