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Whispering-gallery mode microdisk lasers

McCall, S. L., Levi, A. F. J., Slusher, R. E., Pearton, S. J., Logan, R. A.·1992·Applied Physics Letters

Abstract

A new microlaser design based on the high-reflectivity whispering-gallery modes around the edge of a thin semiconductor microdisk is described and initial experimental results are presented. Optical confinement within the thin disk plane results in a microresonator with potential for single-mode, ultralow threshold lasers. Initial experiments use selective etching techniques in the InP/InGaAsP system to achieve 3–10 μm diameter disks as thin as 500 Å suspended in air or SiO2 on an InP pedestal. Optically pumped InGaAs quantum wells provide sufficient gain when cooled with liquid nitrogen to obtain single-mode lasing at 1.3 and 1.5 μm wavelengths with threshold pump powers below 100 μW.

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Metadata

Authors
McCall, S. L., Levi, A. F. J., Slusher, R. E., Pearton, S. J., & Logan, R. A.
Venue
Applied Physics Letters
Published
1992-01-20
Volume
60
Issue
3
Pages
289-291
ISSN
  • 0003-6951 (ISSN-L)
  • 1077-3118
OpenAlex
W2046777446
Cited by
1,446
References
0
FWCI
34.98
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Whispering-gallery mode microdisk lasers. https://app.cochat.ai/papers/10.1063/1.106688
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McCall, S. L., Levi, A. F. J., Slusher, R. E., Pearton, S. J., & Logan, R. A. (1992). Whispering-gallery mode microdisk lasers. Applied Physics Letters. https://doi.org/10.1063/1.106688

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.