Method and system for partial integration of wavelength division multiplexing and bi-directional solutions
First Claim
1. A method for optical communication, the method comprising:
- in an optical transceiver on a silicon photonics integrated circuit coupled to a planar lightwave circuit (PLC), said silicon photonics integrated circuit comprising a first modulator and first light source that operates at a first wavelength coupled to said silicon photonics integrated circuit and a second modulator and second light source that operates at a second wavelength coupled to said silicon photonics integrated circuit;
modulating a first continuous wave (CW) optical signal from said first light source utilizing said first modulator;
modulating a second CW optical signal from said second light source utilizing said second modulator;
communicating first and second modulated signals from said first and second modulators to said PLC utilizing one or more output grating couplers in said silicon photonics integrated circuit;
combining said first and second modulated signals in said PLC;
receiving a third modulated optical signal via said PLC;
splitting said third modulated optical signal into fourth and fifth modulated optical signals in said PLC;
communicating said fourth and fifth modulated optical signals to one or more input grating couplers in said silicon photonics integrated circuit;
converting said fourth modulated optical signal to a first electrical signal utilizing a first photodetector configured to detect at said first wavelength; and
converting said fifth modulated optical signal to a second electrical signal utilizing a second photodetector configured to detect at said second wavelength.
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Accused Products
Abstract
Methods and systems for partial integration of wavelength division multiplexing and bi-directional solutions are disclosed and may include, an optical transceiver on a silicon photonics integrated circuit coupled to a planar lightwave circuit (PLC). The silicon photonics integrated circuit may include a first modulator and first light source that operates at a first wavelength and a second modulator and second light source that operates at a second wavelength. The transceiver and PLC are operable to modulate a first continuous wave (CW) optical signal from the first light source utilizing the first modulator and modulate a second CW optical signal from the second light source utilizing the second modulator. The modulated signals may be communicated from the modulators to the PLC utilizing a first pair of grating couplers in the IC and combined in the PLC.
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Citations
20 Claims
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1. A method for optical communication, the method comprising:
in an optical transceiver on a silicon photonics integrated circuit coupled to a planar lightwave circuit (PLC), said silicon photonics integrated circuit comprising a first modulator and first light source that operates at a first wavelength coupled to said silicon photonics integrated circuit and a second modulator and second light source that operates at a second wavelength coupled to said silicon photonics integrated circuit; modulating a first continuous wave (CW) optical signal from said first light source utilizing said first modulator; modulating a second CW optical signal from said second light source utilizing said second modulator; communicating first and second modulated signals from said first and second modulators to said PLC utilizing one or more output grating couplers in said silicon photonics integrated circuit; combining said first and second modulated signals in said PLC; receiving a third modulated optical signal via said PLC; splitting said third modulated optical signal into fourth and fifth modulated optical signals in said PLC; communicating said fourth and fifth modulated optical signals to one or more input grating couplers in said silicon photonics integrated circuit; converting said fourth modulated optical signal to a first electrical signal utilizing a first photodetector configured to detect at said first wavelength; and converting said fifth modulated optical signal to a second electrical signal utilizing a second photodetector configured to detect at said second wavelength. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system for communication, the system comprising:
an optical transceiver on a silicon photonics integrated circuit coupled to a planar lightwave circuit (PLC), said silicon photonics integrated circuit comprising a first modulator and first light source that operates at a first wavelength coupled to said silicon photonics integrated circuit and a second modulator and second light source that operates at a second wavelength coupled to said silicon photonics integrated circuit, said system being operable to; modulate a first continuous wave (CW) optical signal from said first light source utilizing said first modulator; modulate a second CW optical signal from said second light source utilizing said second modulator; communicate first and second modulated signals from said first and second modulators to said PLC utilizing one or more output grating couplers in said silicon photonics integrated circuit; combine said first and second modulated signals in said PLC; receive a third modulated optical signal via said PLC; split said third modulated optical signal into fourth and fifth modulated optical signals in said PLC; communicate said fourth and fifth modulated optical signals to one or more input grating couplers in said silicon photonics integrated circuit; convert said fourth modulated optical signal to a first electrical signal utilizing a first photodetector configured to detect at said first wavelength; and convert said fifth modulated optical signal to a second electrical signal utilizing a second photodetector configured to detect at said second wavelength. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A system for communication, the system comprising:
an optical transceiver on a silicon photonics integrated circuit coupled to a planar lightwave circuit (PLC), said silicon photonics integrated circuit comprising a first modulator and first light source that operates at a first wavelength coupled to said silicon photonics integrated circuit and a second modulator and second light source that operates at a second wavelength coupled to said silicon photonics integrated circuit, said system being operable to; modulate a first continuous wave (CW) optical signal from said first light source utilizing said first modulator; modulate a second CW optical signal from said second light source utilizing said second modulator; communicate first and second modulated signals from said first and second modulators to said PLC utilizing one or more single polarization grating couplers in said silicon photonics integrated circuit; combine said first and second modulated signals in said PLC; receive a third modulated optical signal via said PLC; split said third modulated optical signal into fourth and fifth modulated optical signals utilizing an optical splitter in said PLC; communicate said fourth and fifth modulated optical signals to one or more polarization splitting grating couplers in said silicon photonics integrated circuit; convert said fourth modulated optical signal to a first electrical signal utilizing a first photodetector configured to detect at said first wavelength; and convert said fifth modulated optical signal to a second electrical signal utilizing a second photodetector configured to detect at said second wavelength.
Specification