Spatiotemporal lasing dynamics in a Limaçon-shaped microcavity

Spatiotemporal lasing dynamics in a Limaçon-shaped microcavity

Limaçon-shaped microdisk lasers are promising on-chip light sources with low lasing threshold and unidirectional output. We conduct an experimental study on the lasing dynamics of Limaçon-shaped semiconductor microcavities. The edge emission exhibits intensity fluctuations over a wide range of spati...

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Bibliographic Details
Main Authors: Kim, Kyungduk, Bittner, Stefan, Jin, Yuhao, Zeng, Yongquan, Wang, Qijie, Cao, Hui
Other Authors: School of Electrical and Electronic Engineering
Format: Journal Article
Language:English
Published: 2023
Subjects:
Science::Physics
Lasing Threshold
Limacon
Online Access:https://hdl.handle.net/10356/172160
Description
Summary:Limaçon-shaped microdisk lasers are promising on-chip light sources with low lasing threshold and unidirectional output. We conduct an experimental study on the lasing dynamics of Limaçon-shaped semiconductor microcavities. The edge emission exhibits intensity fluctuations over a wide range of spatial and temporal scales. They result from multiple dynamic processes with different origins and occur on different spatiotemporal scales. The dominant process is an alternate oscillation between two output beams with a period as short as a few nanoseconds.

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