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US 2007/0183738 A1Published application
Monolithic photonic integrated circuit (pic) with forward error correction (fec)
AssigneeInfinera Corporation
InventorsDavid Welch, Radhakrishnan Nagarajan, Fred Kish, Mark Missey, Vincent Dominic, Atul Mathur, Frank Peters, Charles Joyner, Richard Schneider, Ting-Kuang Chiang
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Abstract
Monolithic photonic integrated circuits (PICs) utilize forward error correction (FEC) joint encoder or plural encoders or a joint decoder or plural decoders.
Claims21
A monolithic photonic integrated circuit (PIC) comprising:
- a plurality of integrated channels for transport of channel signals each of differing wavelength;
- means to create or detect the channel signals based upon an input channel signal or providing an output channel signal, respectively;
- and
- forward error correction (FEC) joint encoder for the input channel signals or a plurality encoders one each for the input channel signals, or a joint decoder for the output channel signals or plural decoders a plurality decoders one each for the output channel signals.
1 more element
A monolithic photonic integrated circuit (PIC) comprising:
- an array of optical channels formed in the PIC that are coupled as inputs to an optical combiner integrated in the same PIC;
- each of the optical channels including a channel signal input to a modulated source and providing a modulated channel signal of an emission wavelength that is different from every other emission wavelength where the signal wavelengths together approximate a wavelength grid;
- the optical combiner receiving the modulated channel signals at its input and providing a multiplexed WDM signal at its output for optical coupling from the circuit to an optical link;
- and
- a forward error correction (FEC) encoder for each of the channel signal inputs or a joint forward error correction (FEC) encoder for all of the channels signal inputs.
2 more elements
A monolithic photonic integrated circuit (PIC) comprising:
- an input to receive the multiplexed WDC signal from an optical link and provide the same to an input of an optical decombiner integrated on the PIC;
- the optical decombiner having a plurality of optical output channels to respectively receive a decombined channel signal at a respective output having an emission wavelength different from every other signal wavelength;
- a plurality of integrated photodetectors integrated on the chip to each receive a respective channel signal output for detecting the channel signal and produce a corresponding channel signal output;
- and
- a forward error correction (FEC) decoder for each of the PIC channel signal outputs or a joint forward error correction (FEC) decoder for all the channel signal outputs.
2 more elements
Dependencies are inferred from the claim text.