Fabrication process and device characterization of distributed feedback InGaAsP/InP laser diodes for optical fiber communication module

광통신 모듈용 분포 귀환형 InGaAsP/InP 레이저 다이오드 제작 및 소자 특성평가

  • Jeon, Kyung-Nam (Division of New Business, KEC Corporation) ;
  • Kim, Keun-Joo (Department of Mechanical Engineering, Chonbuk National University)
  • Received : 2011.11.28
  • Accepted : 2011.12.15
  • Published : 2011.12.31

Abstract

We fabricated distributed feedback InGaAsP/InP laser diodes for optical fiber communication module and characterized the lasing properties in continuous wave operation. The active layer of 7-period InGaAsP(1.127 eV)/InGaAsP(0.954 eV) multi-quantum well structure was grown by the metal-organic chemical vapor deposition. The grating for waveguide was also fabricated by the implementation of the Mach-Zehender holographic method of two laser beams interference of He- Cd laser and the fabricated laser diode has the dimension of the laser length of $400{\mu}m$ and the ridge width of $1.2{\mu}m$. The laser diode shows the threshold current of 3.59 mA, the threshold voltage of 1.059 V. For the room-temperature operation with the current of 13.54 mA and the voltage of 1.12 V, the peak wavelength is about 1309.70 nm and optical power is 13.254 mW.

Keywords

References

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