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- Kim, Dai-Sik
- Nano Optics Group
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Microlensed vertical-cavity surface-emitting laser for stable single fundamental mode operation
- Author(s)
- Park, SH, Park, Y, Kim, H, Jeon, H, Hwang, SM, Lee, JK, Nam, SH, Koh, BC, Sohn, JY, Kim, DS
- Issued Date
- 2002-01
- Citation
- APPLIED PHYSICS LETTERS, v.80, no.2, pp.183 - 185
- 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.
- Publisher
- AMER INST PHYSICS
- ISSN
- 0003-6951
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