ELECTRO-OPTIC MODULATOR
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United States of America Patent
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Issued Date -
Oct 24, 2024
app pub date -
Feb 12, 2024
filing date -
Feb 12, 2024
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Abstract
An electrooptic (EO) phase modulator is described. The EO phase modulator includes: a first photonic bandgap (PBG) metamaterial region suppressing propagation of light having a wavelength of interest; a second PBG metamaterial region suppressing propagation of light having the same wavelength of interest; an EO region disposed between the first and second PBG metamaterial regions and adapted to guide light having the wavelength of interest; a first electrode contacting the first PBG metamaterial region; and a second electrode contacting the second PBG metamaterial region. A magnitude of an electric field across the first and second PBG metamaterial regions is small compared to a magnitude of the electric field across the EO region. An EO intensity modulator including two EO phase modulators is also described.
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