Systems and methods for tuning lasers using reflected optical signals
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United States of America Patent
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Jan 5, 2021
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app pub date -
Jan 30, 2019
filing date -
Jan 30, 2019
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Abstract
A laser tuning system includes an optical transmitter having a tunable laser that transmits optical signals at various wavelengths to an optical fiber through an optical component, which attenuates a range of wavelengths of the optical signal. An optical detector detects optical returns that have been reflected from the fiber at points beyond the optical component. A tuning control module analyzes the optical returns in order to provide a tuning value for tuning the laser to a desired wavelength. As an example, the laser may be tuned in order to maximize or otherwise increase the amount of optical power passing through the optical component.
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