Wavelength flexibility through variable-period poling of optical fiber
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United States of America Patent
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Jul 5, 2022
Grant Date -
Mar 25, 2021
app pub date -
Jul 6, 2020
filing date -
Jul 10, 2019
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Abstract
A fiber laser system includes a high power pump laser, an optical fiber that is aligned to receive output from the high power pump laser. The fiber laser system includes a first pair of orthogonally opposed, periodic electrode structures longitudinally aligned on opposite first and second sides of the optical fiber. The fiber laser system includes a controller that is communicatively coupled to the first pair of periodic electrode structures. The controller performs variable period poling of the first pair of periodic electrode structures to achieve quasi-phase matching (QPM).
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