Extended baseline architecture for nonblocking photonic switching

Chiung Shien Wu*, Gin Kou Ma, Bao-Shuh Lin 

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


In this paper, 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 × 2 optical switch elements which may be directional couplers fabricated on titanium diffused lithium niobate (Ti:LiNbO 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 in single Ti:LiNbO 3 substrate.

Original languageEnglish
Pages (from-to)771-777
Number of pages7
JournalJournal of Lightwave Technology
Issue number5
StatePublished - 1 May 1997


  • Optical networks
  • Photonic switching networks

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