전자공학회논문지A (Journal of the Korean Institute of Telematics and Electronics A)

대한전자공학회 (The Institute of Electronics and Information Engineers)
권호 표지

1.55$\mu\textrm{m}$ RWG-DFB-LD 제작 및 광학 특성 평가

Fabrication of 1.55.$\mu\textrm{m}$ RWG-DFB-LDs and evaluation of its optical characteristics

  • 이중기 (한국전자통신연구소 화합물반도체 연구부) ;
  • 이승원 (한국전자통신연구소 화합물반도체 연구부) ;
  • 조호성 (한국전자통신연구소 화합물반도체 연구부) ;
  • 장동훈 (한국전자통신연구소 화합물반도체 연구부) ;
  • 박경현 (한국전자통신연구소 화합물반도체 연구부) ;
  • 김정수 (한국전자통신연구소 화합물반도체 연구부) ;
  • 황인덕 (한국전자통신연구소 화합물반도체 연구부) ;
  • 김홍만 (한국전자통신연구소 화합물반도체 연구부) ;
  • 박형무 (한국전자통신연구소 화합물반도체 연구부)
  • 발행 : 1995.02.01
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초록

We fabricated the 1.55.mu.m RWG-DFB-LD and measured its electrical and optical characteristics. Interference fringe of optical beams was used for grating formation and epi layers were grown by lower-temperature LPE. The fabricated RWG-DFB-LD operated in a single longitudinal mode with more than 30dB SMSR at 1543nm emitting wavelength and its threshold current was 40mA. The wavelength shift with operating temperature and characteristic temperature T$_{o}$ were 0.9${\AA}/^{\circ}C$ and 59K, respectively. Linewidth enhancement factor .alpha. and linewidty.optical power product were estimated as 6.15 and 60MHz$\cdot$mW respectively.

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