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http://dx.doi.org/10.3807/KJOP.2003.14.3.327

Fabrication and lasing characteristics of tunable Butt-coupled DBR-LD  

오수환 (한국전자통신연구원 반도체 원천기술연구소)
이철욱 (한국전자통신연구원 반도체 원천기술연구소)
김기수 (한국전자통신연구원 반도체 원천기술연구소)
이지면 (한국전자통신연구원 반도체 원천기술연구소)
고현성 (한국전자통신연구원 반도체 원천기술연구소)
박상기 (한국전자통신연구원 반도체 원천기술연구소)
박문호 (한국전자통신연구원 반도체 원천기술연구소)
Publication Information
Korean Journal of Optics and Photonics / v.14, no.3, 2003 , pp. 327-330 More about this Journal
Abstract
We present the fabrication and measured performance of a wavelength tunable Butt coupled DBR-LD. An average coupling efficiency between active layer and passive waveguide layer was measured over 85%per facet, and the average threshold current was 21 ㎃ for the waveguide integrated DBR laser. High output power of Butt coupled DBR-LD was obtained over 25 ㎽. As high as 25 ㎽ of output power was achieved by the butt coupled method. The maximum wavelength tuning range is about 7.4 nm, and the side mode suppression ratio was more than 40 ㏈ using 1.3 ${\mu}{\textrm}{m}$ InGaAsP waveguide layer.
Keywords
semiconductor laser; tunable laser; butt-coupled; DBR laser;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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