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Multistage optical cross-connect

  • US 6,493,480 B1
  • Filed: 07/31/2000
  • Issued: 12/10/2002
  • Est. Priority Date: 07/31/2000
  • Status: Expired due to Fees
First Claim
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1. An optical cross-connect including:

  • first stage including a plurality of first stage sub-switches each structured and positioned so as to receive inputs along a plurality of first stage input paths and to send outputs along a plurality of first stage output paths;

    a second stage including a plurality of second stage sub-switches each structured and positioned so as to receive inputs along a plurality of second stage input paths and to send outputs along a plurality of second stage output paths; and

    a third stage including a plurality of third-stage sub-switches each structured and positioned so as to receive inputs along a plurality of third stage input paths and to send outputs along a plurality of third stage output paths, wherein, for each first stage sub-switch of the plurality of first stage sub-switches, each of the output paths of said sub-switch is each aligned with an input path of a respective second stage sub-switch of the plurality of second-stage sub-switches and wherein each sub-switch of each stage is arranged on an individual layer of a stack of sub-switches within the respective stage.

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