Method and apparatus for colorless add
First Claim
1. An apparatus comprising:
- a plurality of first switches coupled to a plurality of first colorless laser transmitters;
a first odd channel coupler coupled to each of the first switches;
a first even channel coupler coupled to each of the first switches;
a plurality of second switches coupled to a plurality of second colorless laser transmitters;
a second odd channel coupler coupled to each of the second switches;
a second even channel coupler coupled to each of the second switches;
a first odd channel combiner coupled to the first odd channel coupler and the second odd channel coupler;
a first even channel combiner coupled to the first even channel coupler and the second even channel coupler; and
a first interleaver coupled to the first odd channel combiner and the first even channel combiner.
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Accused Products
Abstract
An apparatus comprising a plurality of switches coupled to a plurality of corresponding colorless laser transmitters, an odd channel coupler coupled to each of the switches, an even channel coupler coupled to each of the switches, and an interleaver coupled to the odd channel coupler and the even channel coupler. Also disclosed is an apparatus comprising a coupler coupled to a plurality of colorless laser transmitters, a first interleaver coupled to the coupler, and a second interleaver coupled to the first interleaver. Also disclosed is an apparatus comprising an odd channel coupler coupled to a plurality of first laser transmitters, an even channel coupler coupled to a plurality of second laser transmitters, and an interleaver coupled to the odd channel coupler and the even channel coupler.
18 Citations
17 Claims
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1. An apparatus comprising:
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a plurality of first switches coupled to a plurality of first colorless laser transmitters; a first odd channel coupler coupled to each of the first switches; a first even channel coupler coupled to each of the first switches; a plurality of second switches coupled to a plurality of second colorless laser transmitters; a second odd channel coupler coupled to each of the second switches; a second even channel coupler coupled to each of the second switches; a first odd channel combiner coupled to the first odd channel coupler and the second odd channel coupler; a first even channel combiner coupled to the first even channel coupler and the second even channel coupler; and a first interleaver coupled to the first odd channel combiner and the first even channel combiner. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An apparatus comprising:
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a first odd channel coupler coupled to a plurality of first laser transmitters; a first even channel coupler coupled to a plurality of second laser transmitters; a second odd channel coupler coupled to a plurality of third laser transmitters; a second even channel coupler coupled to a plurality of fourth laser transmitters; an odd channel combiner coupled to the first odd channel coupler and the second odd channel coupler; an even channel combiner coupled to the first even channel coupler and the second even channel coupler; and an interleaver coupled to the odd channel combiner and the even channel combiner. - View Dependent Claims (13)
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14. An apparatus comprising:
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a plurality of first switches coupled to a plurality of first colorless laser transmitters; a first odd channel coupler coupled to each of the first switches; a first even channel coupler coupled to each of the first switches; a plurality of second switches coupled to a plurality of second colorless laser transmitters; a second odd channel coupler coupled to each of the second switches; a second even channel coupler coupled to each of the second switches; an odd channel combiner coupled to the first odd channel coupler and the second odd channel coupler; an even channel combiner coupled to the first even channel coupler and the second even channel coupler; and a wavelength selective switch (WSS) coupled to the odd channel combiner and the even channel combiner. - View Dependent Claims (15, 16)
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17. A method implemented using an colorless add apparatus comprising:
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combining an integer N of first odd channels at a first odd channel coupler; combining an integer N of first even channels at a first even channel coupler; combining an integer N of second odd channels at a second odd channel coupler; combining an integer N of second even channels at a second even channel coupler; forwarding the first N odd channels from the first odd channel coupler to an odd channel combiner; forwarding the first N even channels from the first even channel coupler to an even channel combiner; forwarding the second N odd channels from the second odd channel coupler to the odd channel combiner; forwarding the second N even channels from the second even channel coupler to the even channel combiner; combining 2N odd channels at the odd channel combiner; combining 2N even channels at the even channel combiner; forwarding the 2N odd channels from the odd channel combiner to an interleaver; forwarding the 2N even channels from the even channel combiner to the interleaver; interleaving the 2N odd channels and the 2N even channels at the interleaver into 4N channels; and forwarding the 4N channels.
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Specification