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특허 검색
구분 출원국
출원년도 ~ 키워드

상세정보

등록 다중 분포 귀환 레이저 소자

다중 분포 귀환 레이저 소자
이미지 확대
발명자
박경현, 김남제, 임영안, 한상필, 고현성, 이철욱, 이동훈
출원번호
12980907 (2010.12.29)
공개번호
20110090932 (2011.04.21)
등록번호
8149890 (2012.04.03)
출원국
미국
초록
Provided is a multiple distributed feedback laser device which includes a first distributed feedback region, a modulation region, a second distributed feedback region, and an amplification region. An active layer is disposed on the substrate of the first distributed feedback region, the modulation region, the second distributed feedback region, and the amplification region. A first diffraction grating is disposed in the first distributed feedback region to be coupled to the active layer in the first distributed feedback region. A second diffraction grating is disposed in the second distributed feedback region to be coupled to the active layer in the second distributed feedback region. The multiple distributed feedback laser device further includes a first micro heater configured to supply heat to the first diffraction grating and a second micro heater configured to supply heat to the second diffraction grating.
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구분 특허 출원국 KIPRIS
등록 다중 분포 귀환 레이저 소자 대한민국 KIPRIS