CIRCULARLY POLARIZATION MODULATION SYSTEM
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United States of America Patent
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Issued Date -
Sep 5, 2024
app pub date -
Jul 6, 2021
filing date -
Jul 6, 2021
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Abstract
A circularly polarized light modulation device includes a stacked structure including at least an n-side electrode, an active layer, and a p-side electrode, an injection current circuit that causes a current to flow from the p-side electrode to the n-side electrode through the active layer, and a spin drive circuit that causes a current to flow in a direction perpendicular to the current injected from the injection current circuit into the stacked structure to at least one of the p-side electrode and the n-side electrode.
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