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US 2024/0178634 A1Published application
Wavelength tunable laser device and method of manufacturing the same
AssigneeSumitomo Electric Industries, Ltd.
InventorTsutomu ISHIKAWA
Life of this patent
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Abstract
A wavelength tunable laser device includes a substrate, a plurality of first optical waveguides provided in the substrate, and a plurality of semiconductor elements bonded on a surface of the substrate and on the plurality of first optical waveguides. The semiconductor elements are formed of a III-V group compound semiconductor and have optical gains. Wavelengths with which the optical gains of the plurality of semiconductor elements reach peaks differ from one another.
Claims10
A wavelength tunable laser device comprising:
- a substrate;
- a plurality of first optical waveguides provided in the substrate;
- and
- a plurality of semiconductor elements bonded on a surface of the substrate and on the plurality of first optical waveguides,
- wherein the semiconductor elements are formed of a III-V group compound semiconductor and have optical gains, and
- wherein wavelengths with which the optical gains of the plurality of semiconductor elements reach peaks differ from one another.
3 more elements
A method of manufacturing a wavelength tunable laser device, the method comprising:
- forming a plurality of first optical waveguides in a surface of a substrate;
- and
- bonding a plurality of semiconductor elements on the surface of the substrate and on the plurality of first optical waveguides,
- wherein the semiconductor elements are formed of a III-V group compound semiconductor and have optical gains, and
- wherein wavelengths with which the optical gains of the plurality of semiconductor elements reach peaks differ from one another.
2 more elements
Dependencies are inferred from the claim text.