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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea


  • Vol. 15, Iss. 2 — Jun. 1, 2011
  • pp: 124–127

Design and Simulation of an 808 nm InAlAs/AlGaAs GRIN-SCH Quantum Dot Laser Diode

Trevor Chan, Sung-Hun Son, Kyoung-Chan Kim, and Tae-Geun Kim  »View Author Affiliations

Journal of the Optical Society of Korea, Vol. 15, Issue 2, pp. 124-127 (2011)

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Quantum dots were designed within a GRIN-SCH(Graded index - Separate confinement Heterostructure) heterostructure to create a high power InAlAs/AlGaAs laser diode. 808 nm light emission was with a quantum dot composition of In0.665Al0.335As and wetting layer composition of Al0.2Ga0.8As by LASTIP simulation software. Typical characteristics of GRIN structures such as high confinement ratios and Gaussian beam profiles were shown to still apply when quantum dots are used as the active media. With a dot density of 1.0x1011 dots/cm2, two quantum dot layers were found to be good enough for low threshold, high-power laser applications.

© 2011 Optical Society of Korea

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.4510) Fiber optics and optical communications : Optical communications
(060.3510) Fiber optics and optical communications : Lasers, fiber
(250.5590) Optoelectronics : Quantum-well, -wire and -dot devices

Original Manuscript: March 3, 2011
Revised Manuscript: April 14, 2011
Manuscript Accepted: April 15, 2011
Published: June 25, 2011

Trevor Chan, Sung-Hun Son, Kyoung-Chan Kim, and Tae-Geun Kim, "Design and Simulation of an 808 nm InAlAs/AlGaAs GRIN-SCH Quantum Dot Laser Diode," J. Opt. Soc. Korea 15, 124-127 (2011)

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