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1 April 2022 Lasing modes in wave-chaotic semiconductor microcavities
Hui W. Cao
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Proceedings Volume PC11995, Physics and Simulation of Optoelectronic Devices XXX; PC1199501 (2022) https://doi.org/10.1117/12.2615434
Event: SPIE OPTO, 2022, San Francisco, California, United States
Abstract
There have been much interests in the semiconductor microcavity lasers based on quasi-two-dimensional cavity geometry. Tailoring the cavity boundary shape can induce chaotic ray dynamics, and has a profound impact on the properties of cavity resonances. In the first part of this talk, we will show a wave-chaotic cavity allows many modes lase simultaneously, and the spatial coherence of emission is reduced. The leads to the application of chaotic microcavity lasers as illumination source for speckle-free full-field imaging. In the second part of this talk, we show that lasing instabilities are suppressed in wave-chaotic cavities, due to disruption of filamentation.
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Hui W. Cao "Lasing modes in wave-chaotic semiconductor microcavities", Proc. SPIE PC11995, Physics and Simulation of Optoelectronic Devices XXX, PC1199501 (1 April 2022); https://doi.org/10.1117/12.2615434
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KEYWORDS
Optical microcavities
Semiconductors
High power lasers
Laser stabilization
Spatial coherence
Semiconductor lasers
Solid state lasers
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