N-DEGREE CDC WSX ROADM
First Claim
1. An apparatus comprising:
- a plurality of ingress ports coupled to N units of 1×
n splitters, wherein each 1×
n splitter includes a plurality of cross connect ingress branches and a drop branch;
a plurality of egress ports coupled to N units of n×
1 combiners, wherein each n×
1 combiner includes a plurality of cross connect egress branches and an add branch;
a M×
M′
fiber shuffle providing cross connect between the ingress branches and the egress branches such that each branch from an ingress 1×
n splitter is linked to a branch of each n×
1 combiner; and
a wavelength blocker array comprising N×
n wavelength blocker units where n≧
N, each wavelength blocker unit coupled to a fiber of the M×
M′
fiber shuffle.
2 Assignments
0 Petitions
Accused Products
Abstract
Methods, systems, and apparatus, for optical communications. One apparatus includes a plurality of ingress ports coupled to N units of 1×n splitters, wherein each 1×n splitter includes a plurality of cross connect ingress branches and a drop branch; a plurality of egress ports coupled to N units of n×1 combiners, wherein each n×1 combiner includes a plurality of cross connect egress branches and an add branch; a M×M′ fiber shuffle providing cross connect between the ingress branches and the egress branches such that each branch from an ingress 1×n splitter is linked to a branch of each n×1 combiner; and a wavelength blocker array comprising N×n wavelength blocker units where n≧N wavelength blocker units, each wavelength blocker unit coupled to a fiber of the M×M′ fiber shuffle.
31 Citations
31 Claims
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1. An apparatus comprising:
-
a plurality of ingress ports coupled to N units of 1×
n splitters, wherein each 1×
n splitter includes a plurality of cross connect ingress branches and a drop branch;a plurality of egress ports coupled to N units of n×
1 combiners, wherein each n×
1 combiner includes a plurality of cross connect egress branches and an add branch;a M×
M′
fiber shuffle providing cross connect between the ingress branches and the egress branches such that each branch from an ingress 1×
n splitter is linked to a branch of each n×
1 combiner; anda wavelength blocker array comprising N×
n wavelength blocker units where n≧
N, each wavelength blocker unit coupled to a fiber of the M×
M′
fiber shuffle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An apparatus comprising:
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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; anda 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. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. An apparatus comprising:
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a plurality of ingress ports; a wavelength blocker array having a plurality of wavelength blocking units, each wavelength blocking unit coupled to a corresponding one of the plurality of ingress ports; a plurality of egress ports; a plurality of degree drop ports; a plurality of degree add ports; and a wavelength selective cross-connect (WSX) array comprising a plurality of 2×
2 independently switched 2×
2 wavelength selective cross-connect switches, wherein the WSX array is coupled to the wavelength blocker array, the plurality of egress ports, the plurality of degree drop ports, and the plurality of degree add ports. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. An apparatus comprising:
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a plurality of degree drop ports; a plurality of degree add ports; a plurality of add ports; a plurality of drop ports; and a wavelength selective cross-connect (WSX) array comprising a plurality of 2×
2 independently switched 2×
2 wavelength selective cross-connect switches, wherein the WSX array is coupled to the plurality of degree drop ports, the plurality of degree add ports, the plurality of drop ports, and the plurality of add ports.
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Specification