High Power and Single Mode Lasing Characteristics in Vertical Cavity Surface Emitting Laser by Varying Photonic Bandgap Structures

광 결정 구조 변수에 따른 고출력 단일모드 수직공진 표면발광 레이저의 발진 특성

  • 이진웅 (세종대학교 전자정보통신공학부 광전자공학과) ;
  • 현경숙 (세종대학교 전자정보통신공학부 광전자공학과) ;
  • 신현의 (옵티시스(주) 신소자 개발팀) ;
  • 김희대 (옵티시스(주) 신소자 개발팀)
  • Published : 2009.12.25


The high power and single mode vertical cavity surface emitting laser(VCSEL)s with photonic crystal structures have been proposed and fabricated by reducing substantially the hole numbers used in the photonic crystal structures. It is found that only six holes enable VCSELs to operate a single mode and the reliability can be enhanced by filling the holes with polyimide. The single mode lasing characteristics were analyzed by varying the oxide aperture and the hole diameter in photonic crystal structures. As a result, the single mode lasing can be stably obtained in the photonic crystal vertical cavity surface emitting lasers.


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