Active control of emission frequency and directionality of semiconductor microdisk lasers

Seng Fatt Liew; Brandon Redding; Li Ge; Li Ge; Glenn S. Solomon; Hui Cao

doi:10.1364/LS.2014.LTh4I.3

Frontiers in Optics 2014
OSA Technical Digest (online) (Optica Publishing Group, 2014),
paper LTh4I.3
•https://doi.org/10.1364/LS.2014.LTh4I.3

Active control of emission frequency and directionality of semiconductor microdisk lasers

Seng Fatt Liew, Brandon Redding, Li Ge, Glenn S. Solomon, and Hui Cao

Laser Science 2014

Tucson, Arizona United States
19–23 October 2014
ISBN: 1-55752-286-3

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Light-Matter Interaction (LTh4I)

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S. F. Liew, B. Redding, L. Ge, G. S. Solomon, and H. Cao, "Active control of emission frequency and directionality of semiconductor microdisk lasers," in Frontiers in Optics 2014, OSA Technical Digest (online) (Optica Publishing Group, 2014), paper LTh4I.3.

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Abstract

We demonstrate lasing mode selection in semiconductor microcavities via adaptive optical pumping. Slight deformation of cavity shape and boundary roughness lead to distinct emission patterns for individual lasing modes, enabling the switching of output directionality.

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