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Journal Article
Microlensed Vertical-Cavity Surface-Emitting Laser for Stable Single Fundamental Mode Operation
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- Authors
- Si-Hyun Park, Yeon Sang Park, Hye Jin Kim, Heon Su Jeon, Seong Mo Hwang, Jeong Kwan Lee, Seung Ho Nam, Byeong Cheon Koh, J. Y. Sohn, D. S. Kim
- Issue Date
- 2002-01
- Citation
- Applied Physics Letters, v.80, no.2, pp.183-185
- ISSN
- 0003-6951
- Publisher
- American Institute of Physics (AIP)
- Language
- English
- Type
- Journal Article
- Abstract
- We propose and demonstrate a vertical-cavity surface-emitting laser structure that operates predominantly in the single fundamental transverse mode over a wide operation current range. In this laser structure, a microlens is integrated on top of an otherwise ordinary surface-emitting laser so that a small portion of laser output is fed back into the cavity, forcing the lasing to occur in the fundamental mode. Model calculations reproduce the observed mode selection effect. © 2002 American Institute of Physics.
- KSP Keywords
- Current range, Fundamental mode, Laser output, Mode Selection, Model calculations, Transverse mode, Vertical-cavity surface-emitting laser