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구분 출원국
출원년도 ~ 키워드

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등록 금속-절연체-반도체 구조의 가변 광 위상 천이기 및 광 감쇄기

금속-절연체-반도체 구조의 가변 광 위상 천이기 및 광 감쇄기
이미지 확대
발명자
김현수, 박정우, 김경옥, 민봉기, 임영안
출원번호
12374261 (2007.04.24)
공개번호
20090207472 (2009.08.20)
등록번호
7924492 (2011.04.12)
출원국
미국
협약과제
초록
Provided is an optical device having an edge effect with improved phase shift and propagation loss of light without decreasing the dynamic characteristics of the optical device. The optical device includes a first semiconductor layer which is doped with a first type of conductive impurities, and has a recessed groove in an upper portion thereof; a gate insulating layer covering the groove and a portion of the first semiconductor layer; and a second semiconductor layer which covers an upper surface of the gate insulating layer and is doped with a second type of conductive impurities opposite to the first type of conductive impurities.
KSP 제안 키워드
Metal-insulator-semiconductor(MIS), Metal-insulator-semiconductor structures, Optical devices, Optical phase, Phase Shifter, Phase shift, Propagation loss, Semiconductor structure, dynamic characteristics, edge effect(EE), insulating layer, metal-insulator, optical attenuator