Optical semiconductor device and controlling method of the same

Details Optical semiconductor device and controlling method of the same Optical semiconductor device and controlling method of the same

2008-04-22

2008-04-22

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Particular beam control device

Tuning

C372S029020, C372S034000

Reexamination Certificate

active

07362782

ABSTRACT:
An optical semiconductor device includes a wavelength-tunable semiconductor laser chip, a mount carrier, a first temperature sensor and a wire. The wavelength-tunable semiconductor laser chip has a first optical waveguide and a second optical waveguide. The second optical waveguide has a heater on a surface thereof and is optically coupled to the first optical waveguide. The mount carrier is for mounting the wavelength-tunable semiconductor laser chip, and has a first area arranged at a surface of the mount carrier of the first optical waveguide side when the wavelength-tunable semiconductor laser chip is mounted. The first temperature sensor is mounted on the first area. The wire couples between the heater and a second area arranged at a surface of the mount carrier of the second optical waveguide side when the wavelength-tunable semiconductor laser chip is mounted.

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