Optimized directionless optical add/drop module systems and methods
First Claim
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1. An add side of a directionless optical add/drop module, comprising:
- a multi-cast switch having a plurality of input ports and a plurality of output ports;
a plurality of optical amplifiers connected to the plurality of input ports of the multi-cast switch, wherein the plurality of optical amplifiers form an optical amplifier array; and
a plurality of tunable filters connected to the plurality of input ports of the multi-cast switch;
wherein the add side utilizes a broadcast and select architecture comprising enabling an amplifier in a path to connect a particular transceiver to a particular degree while also disabling a plurality of amplifiers connecting the transceiver to other degrees.
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Abstract
The present disclosure provides optimized configurations for a directionless reconfigurable optical add/drop multiplexer application. The present invention includes an add module with improved optical signal-to-noise through placing amplifiers prior to a multi-cast optical switch. The present invention includes various drop module configurations utilizing distributed gain, channel selective filters, and bi-directional configurations to reduce power consumption and complexity. Additionally, the present invention includes an integrated broadcast and select architecture.
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Citations
18 Claims
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1. An add side of a directionless optical add/drop module, comprising:
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a multi-cast switch having a plurality of input ports and a plurality of output ports; a plurality of optical amplifiers connected to the plurality of input ports of the multi-cast switch, wherein the plurality of optical amplifiers form an optical amplifier array; and a plurality of tunable filters connected to the plurality of input ports of the multi-cast switch; wherein the add side utilizes a broadcast and select architecture comprising enabling an amplifier in a path to connect a particular transceiver to a particular degree while also disabling a plurality of amplifiers connecting the transceiver to other degrees. - View Dependent Claims (2, 3, 4, 5)
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6. A drop side of a directionless optical add/drop module, comprising:
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a multi-cast switch having a plurality of input ports and a plurality of output ports; a plurality of optical amplifiers connected to the plurality of input ports of the multi-cast switch, wherein the plurality of optical amplifiers form an optical amplifier array; and a plurality of tunable filters connected to the plurality of output ports of the multi-cast switch; wherein the drop side utilizes a broadcast and select architecture comprising enabling an amplifier in a path to connect a particular transceiver to a particular degree while also disabling a plurality of amplifiers connecting the transceiver to other degrees. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14)
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15. An integrated directionless optical add/drop module, comprising:
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a drop side comprising a broadcast and select architecture; and an add side comprising the broadcast and select architecture; wherein the broadcast and select architecture comprises turning an amplifier on in a path to connect a particular transceiver to a particular degree while also turning a plurality of amplifiers connecting the transceiver to other degrees off. - View Dependent Claims (16, 17, 18)
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Specification