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Optical circuit switch with integral circulators

  • US 9,366,824 B2
  • Filed: 05/06/2015
  • Issued: 06/14/2016
  • Est. Priority Date: 05/29/2013
  • Status: Active Grant
First Claim
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1. An optical circuit switch, comprising:

  • an optical circulator configured to form N bidirectional optical beams from N input optical beams and N output optical beams, where N is an integer greater than one, each bidirectional optical beam consisting of a corresponding input optical beam from the N input optical beams and a corresponding output optical beam from the N output optical beams overlaid to follow, in opposing directions, a common optical path;

    a mirror array comprising at least N mirrors, the mirror array disposed to reflect each of the N bidirectional optical beams from a respective one of the at least N mirrors; and

    a reflector disposed to intercept bidirectional optical beams reflected from the mirror array and to reflect at least some of the intercepted bidirectional optical beams back to the mirror array.

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