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Home › Free-carrier absorption variable optical attenuators and thermal phase shifters formed by an optical waveguide having multiple passes in an intrinsic region

Free-carrier absorption variable optical attenuators and thermal phase shifters formed by an optical waveguide having multiple passes in an intrinsic region

US Patent 11226504 · Granted Jan 18, 2022

Estimated economic value: $23,636,000 ⓘ

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