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US 12,424,823 B2Granted
Multi-wavelength distributed feedback laser
AssigneeIntel Corporation
InventorsRanjeet Kumar, Haisheng Rong, Jie Sun
Life of this patent
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Abstract
In one embodiment, a distributed feedback laser includes a laser comprising a waveguide, the waveguide having a variable width from a first end to a second end, the laser to generate optical energy of a plurality of lasing wavelengths. Other embodiments are described and claimed.
Claims20
An apparatus, comprising:
- a laser comprising a waveguide, the waveguide having a variable width from a first end to a second end, the laser to generate optical energy of a plurality of lasing wavelengths;
- a plurality of modulators, each of the plurality of modulators to modulate one of the plurality of lasing wavelengths with data;
- and
- a semiconductor optical amplifier coupled to the plurality of modulators to amplify the modulated plurality of lasing wavelengths.
1 more element
A system, comprising:
- a first integrated circuit comprising at least one processor;
- a second integrated circuit;
- and
- a silicon photonic integrated circuit to couple the first integrated circuit and the second integrated circuit, the silicon photonic integrated circuit having a distributed feedback (DFB) laser comprising:
- a laser comprising a waveguide having a variable width from a first end to a second end, the laser to generate optical energy of a plurality of lasing wavelengths.
2 more elements
An apparatus, comprising:
- a laser comprising a waveguide, the waveguide having a variable width from a first end to a second end, the laser to generate optical energy of a plurality of lasing wavelengths, wherein the waveguide comprises:
- a first portion having a first grating reflector and a second grating reflector, wherein the first grating reflector has a first center wavelength and the second grating reflector has a second center wavelength different than the first center wavelength;
- and
- a second portion having the second grating reflector and a third grating reflector, wherein the third grating reflector has a third center wavelength different than the second center wavelength.
1 more element
Dependencies are inferred from the claim text.