Method of controlling semiconductor laser
AssigneeEudyna Devices Inc.
InventorsHirokazu TANAKA, Tsutomu ISHIKAWA, Toyotoshi MACHIDA
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Abstract
A method of controlling a semiconductor laser that has a plurality of wavelength selection portions having a different wavelength property from each other and is mounted on a temperature control device, including: a first step of correcting a temperature of the temperature control device according to a detected output wavelength of the semiconductor laser; and a second step of controlling at least one of the wavelength selection portions so that changing amount differentials between each wavelength property of the plurality of the wavelength selection portions is reduced, the changing amount differential being caused by correcting the temperature of the temperature control device.
Claims11
A method of controlling a semiconductor laser that has a plurality of wavelength selection portions having a different wavelength property from each other and is mounted on a temperature control device, comprising:
- a first step of correcting a temperature of the temperature control device according to a detected output wavelength of the semiconductor laser;
- and
- a second step of controlling at least one of the wavelength selection portions so that changing amount differentials between each wavelength property of the plurality of the wavelength selection portions is reduced, the changing amount differential being caused by correcting the temperature of the temperature control device.
Dependencies are inferred from the claim text.