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US 6,270,261 B1Granted
Semiconductor laser module
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorMinoru Kawano
Life of this patent
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Abstract
A semiconductor laser module with an optical isolator. A semiconductor laser module includes a substrate provided with a first optical waveguide and a second optical waveguide, a semiconductor laser diode mounted in front of the first optical waveguide on the substrate, and an optical isolator between the first optical waveguide and the second optical waveguide.
Claims7
A semiconductor laser module comprising:
- a substrate,
- a semiconductor laser diode chip mounted on said substrate,
- a first optical waveguide on said substrate for transmitting laser light emitted by said semiconductor laser diode chip,
- a second optical waveguide on said substrate and separated from said first optical waveguide,
- an optical isolator chip mounted between said first optical waveguide and said second optical waveguide,
- a cover covering said optical isolator chip, and
- a magnet mounted on said cover for applying a magnetic field to said optical isolator chip.
4 more elements
Dependencies are inferred from the claim text.