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American Institute of Physics, Applied Physics Letters, 20(99), p. 201109

DOI: 10.1063/1.3663575

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In-well pumping of InGaN/GaN vertical-external-cavity surface-emitting lasers

This paper is available in a repository.
This paper is available in a repository.

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Abstract

In-well-pumped blue InGaN/GaN vertical-external-cavity surface-emitting lasers are demonstrated. The laser structures were grown on bulk GaN substrates by using metal-organic vapor phase epitaxy near atmospheric pressure. The active zone consisted of up to 20 InGaN quantum wells distributed in a resonant periodic gain configuration. High-reflectivity dielectric distributed Bragg-reflectors were used as mirrors. Laser emission with a single longitudinal mode at 440 nm was achieved by exclusively pumping the quantum wells with the 384 nm emission line of a dye-/N2-laser.