Optical transmission device that transmits wavelength division multiplexed optical signal and optical transmission system
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United States of America Patent
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app pub date -
Mar 7, 2016
filing date -
Apr 23, 2015
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Abstract
An optical transmission device includes: a wavelength allocation detector configured to detect wavelength allocation that indicates allocation of optical signals multiplexed in a WDM optical signal; a power adjusting unit configured to adjust powers of the optical signals multiplexed in the WDM optical signal; an optical amplifier configured to amplify the WDM optical signal output from the power adjusting unit; a power controller configured to generate a power control signal to control the power adjusting unit such that the WDM optical signal has a specified wavelength characteristic; and a correction value generator configured to generate a correction value to correct the power control signal based on the wavelength allocation. The power controller corrects the power control signal with the correction value. The power adjusting unit adjusts powers of the optical signals multiplexed in the WDM optical signal according to the corrected power control signal.
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