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Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
Published on: April 24, 2014
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Impact of Cavity Geometry on Microlaser Dynamics.
Kyungduk Kim1, Stefan Bittner2,3, Yuhao Jin4
1Department of Applied Physics, Yale University, New Haven, Connecticut 06520, USA.
Physical Review Letters
|October 28, 2023
Summary
Semiconductor microcavity lasing dynamics depend on ray trajectories. Cavity geometry controls these dynamics, enabling control over light-matter interactions and lasing behavior.
Area of Science:
- Physics
- Optics
- Semiconductor Science
Background:
- Semiconductor microcavities exhibit complex spatiotemporal lasing dynamics.
- Ray dynamics, whether integrable or chaotic, significantly influence these lasing behaviors.
- Optical propagation directionality affects intensity variations and nonlinear light-matter interactions.
Purpose of the Study:
- To experimentally investigate spatiotemporal lasing dynamics in semiconductor microcavities.
- To understand the impact of classical ray dynamics on lasing behavior.
- To explore how cavity geometry influences lasing dynamics and nonlinear interactions.
Main Methods:
- Experimental investigation of semiconductor microcavities with diverse geometries.
- Analysis of spatiotemporal lasing dynamics.
- Characterization of ray dynamics (integrable and chaotic).
Main Results:
- Lasing dynamics are primarily governed by the local directionality of ray trajectories.
- Optical propagation directionality determines intensity variation length scales.
- Wavelength-scale variations stabilize lasing; longer-scale modulations induce filamentation and pulsations.
Conclusions:
- Classical ray dynamics directly impact semiconductor microcavity lasing.
- Cavity geometry engineering offers a pathway to control lasing dynamics.
- Understanding ray dynamics is key to managing nonlinear light-matter interactions in microcavities.
