Optical modulating device and system employing same
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United States of America Patent
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Oct 15, 2019
Grant Date -
Jul 12, 2018
app pub date -
Jan 10, 2018
filing date -
Jan 10, 2017
priority date (Note) -
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Abstract
Provided are an optical modulating device and a system employing the same. The optical modulating device includes a phase modulator including a meta surface including a nanoantenna configured to couple light incident on the phase modulator, and including a quantum well layer having a multi-quantum well and configured to modulate a phase of light by modulating a refractive index according to an electrical control, and a reflective layer provided at on the phase modulator opposite to a side of the meta surface of the phase modulator and configured to resonate light coupled through the nanoantenna.
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