Optical Modulator Utilizing Ferroelectric Domain Switching
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United States of America Patent
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Issued Date -
Apr 18, 2024
app pub date -
Oct 13, 2023
filing date -
Oct 13, 2022
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Abstract
The present invention provides an optical switch capable of functioning as an optical limiter, modulator, and dynamic attenuator utilizing a ferroelectric single crystal as the functional medium. The functionality is based upon a dynamic ferroelectric-to-ferroelectric phase transition occurring in the single crystal which can be perturbed through a hysteretic transition from an opaque to transparent state through the application of a compressive stress, an electric field, or both to the crystal.
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