CONTROL DEVICE, LIGHT SOURCE DEVICE, TRANSMISSION MODULE, OPTICAL TRANSCEIVER, AND CONTROL METHOD
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United States of America
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Issued Date -
Dec 12, 2024
app pub date -
Nov 9, 2021
filing date -
Nov 9, 2021
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Abstract
In order to enable oscillation of transmission light at any oscillation frequency even in an environment in which an environmental temperature varies significantly from an assumed temperature, a control device for a light source including a wavelength variable filter includes a temperature reception means for receiving substrate temperature information being information indicating a substrate temperature being a temperature of a substrate on which the light source is provided, and housing temperature information being information indicating a housing temperature being a temperature of a housing containing the substrate; and a control means for controlling, based on the substrate temperature information and the housing temperature information, the substrate temperature and a refractive index of the wavelength variable filter in such a way that a frequency of transmission light being output by the light source becomes a desired frequency.
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