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N-DEGREE CDC WSX ROADM

  • US 20180192168A1
  • Filed: 02/28/2018
  • Published: 07/05/2018
  • Est. Priority Date: 03/05/2014
  • Status: Abandoned Application
First Claim
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1. An apparatus comprising:

  • N 1×

    2 ingress tap couplers, wherein a tapped branch of each ingress tap coupler is coupled to a degree drop and wherein N>

    1;

    a wavelength blocker array having N wavelength blocking units, each wavelength blocking unit coupled to a corresponding one of the N 1×

    2 ingress tap couplers;

    N 2×

    1 egress tap couplers, wherein a tapped branch of each egress tap coupler is coupled to a degree add; and

    a wavelength selective cross-connect (WSX) array coupled between the wavelength blocker array and the N 2×

    1 egress tap couplers, wherein the WSX array comprises a plurality of independently switched 2×

    2 WSX switches.

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