Continuous wave single mode operation of GaInAsSb/GaSb quantum well lasers emitting beyond 3 mu m

T. Lehnhardt; M. Huemmer; K. Roessner; M. Mueller; Sven Höfling; A. Forchel

doi:10.1063/1.2926657

Continuous wave single mode operation of GaInAsSb/GaSb quantum well lasers emitting beyond 3 mu m

T. Lehnhardt^*, M. Huemmer, K. Roessner, M. Mueller, Sven Höfling, A. Forchel

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

We report on room temperature continuous wave single mode GaInAsSb-GaSb quantum well lasers emitting beyond 3 mu m. Quantum well strain and composition were carefully adjusted to enhance the hole confinement without increasing electron confinement in order to avoid inhomogeneous quantum well pumping. In order to realize single mode emission as prerequisite for gas sensing applications, distributed feedback lasers were fabricated. A record single mode emission cw wavelength of 3019 nm with a side mode suppression ratio of more than 30 dB has been obtained. The room temperature peak power output per facet exceeds 3 mW. (C) 2008 American Institute Of Physics.

Original language	English
Article number	183508
Number of pages	3
Journal	Applied Physics Letters
Volume	92
Issue number	18
DOIs	https://doi.org/10.1063/1.2926657
Publication status	Published - 5 May 2008

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abstract = "We report on room temperature continuous wave single mode GaInAsSb-GaSb quantum well lasers emitting beyond 3 mu m. Quantum well strain and composition were carefully adjusted to enhance the hole confinement without increasing electron confinement in order to avoid inhomogeneous quantum well pumping. In order to realize single mode emission as prerequisite for gas sensing applications, distributed feedback lasers were fabricated. A record single mode emission cw wavelength of 3019 nm with a side mode suppression ratio of more than 30 dB has been obtained. The room temperature peak power output per facet exceeds 3 mW. (C) 2008 American Institute Of Physics.",

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AU - Lehnhardt, T.

AU - Huemmer, M.

AU - Roessner, K.

AU - Mueller, M.

AU - Höfling, Sven

AU - Forchel, A.

PY - 2008/5/5

Y1 - 2008/5/5

N2 - We report on room temperature continuous wave single mode GaInAsSb-GaSb quantum well lasers emitting beyond 3 mu m. Quantum well strain and composition were carefully adjusted to enhance the hole confinement without increasing electron confinement in order to avoid inhomogeneous quantum well pumping. In order to realize single mode emission as prerequisite for gas sensing applications, distributed feedback lasers were fabricated. A record single mode emission cw wavelength of 3019 nm with a side mode suppression ratio of more than 30 dB has been obtained. The room temperature peak power output per facet exceeds 3 mW. (C) 2008 American Institute Of Physics.

AB - We report on room temperature continuous wave single mode GaInAsSb-GaSb quantum well lasers emitting beyond 3 mu m. Quantum well strain and composition were carefully adjusted to enhance the hole confinement without increasing electron confinement in order to avoid inhomogeneous quantum well pumping. In order to realize single mode emission as prerequisite for gas sensing applications, distributed feedback lasers were fabricated. A record single mode emission cw wavelength of 3019 nm with a side mode suppression ratio of more than 30 dB has been obtained. The room temperature peak power output per facet exceeds 3 mW. (C) 2008 American Institute Of Physics.

U2 - 10.1063/1.2926657

DO - 10.1063/1.2926657

M3 - Article

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JO - Applied Physics Letters

JF - Applied Physics Letters

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ER -

Continuous wave single mode operation of GaInAsSb/GaSb quantum well lasers emitting beyond 3 mu m

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