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Wavelength selective switch with multiple input/output ports

  • US 8,923,667 B2
  • Filed: 02/11/2011
  • Issued: 12/30/2014
  • Est. Priority Date: 02/12/2010
  • Status: Active Grant
First Claim
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1. A multi-port wavelength selective switch comprising:

  • a) a one-dimensional array of input and output ports;

    b) a wavelength dispersive element configured to receive input optical signals from the input ports, and to disperse wavelength components thereof; and

    c) an array of beam steering devices, at least one of which is controllable to direct a first dispersed wavelength component, received through a first input port disposed at an outer extremity of the array of input and output ports, to an output port and directs a second dispersed wavelength component of the same wavelength as the first dispersed wavelength component, received through a second input port disposed at the outer extremity of the array of input and output ports, to a position away from all of the output ports.

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