대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)
- 대한전기학회 2004년도 하계학술대회 논문집 C
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- Pages.2020-2021
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- 2004
InGaAs/AlGaAs 양자선 래이저에서 관찰된 이상 방출 스펙트럼
Anomalous Emission Spectra Observed in InGaAs/AlGaAs Quantum-Wire Lasers
- Kim, Kyoung-Chan (Kwangwoon University) ;
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Kim, Tae-Geun
(Kwangwoon University)
- 발행 : 2004.07.14
초록
Distributed optical feedback by gain coupling in V-groove quantum-wire lasers is investigated using InGaAs/AlGaAs active materials grown by metalorganic chemical vapor deposition (MOCVD). In order to avoid grating overgrowth during the fabrication of DFB structures, a newly developed constant MOCVD growth method is employed. Gain anisotropy in emission spectra near Bragg wavelength, resulting from optical feedback along the DFB direction, is clearly observed at room temperature.
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