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Applied Physics Letters / Volume 95 / Issue 23 / LASERS, OPTICS, AND OPTOELECTRONICS

Appl. Phys. Lett. 95, 231103 (2009); http://dx.doi.org/10.1063/1.3272676 (3 pages)

Corrugated-sidewall interband cascade lasers with single-mode midwave-infrared emission at room temperature

C. S. Kim, M. Kim, W. W. Bewley, J. R. Lindle, C. L. Canedy, J. Abell, I. Vurgaftman, and J. R. Meyer

Code 5613, Naval Research Laboratory, Washington, DC 20375, USA

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(Received 8 July 2009; accepted 18 November 2009; published online 8 December 2009)

We report interband cascade lasers operating in a single spectral mode (λ ≈ 3.6 μm) at −5–30 °C. A corrugated pattern etched into both sidewalls of the 6- and 9-μm-wide ridges serves to suppress higher-order lateral modes by increasing their loss, and also provides a fourth-order distributed-feedback grating for longitudinal mode selection. Despite the grating’s weak coupling strength, the 9 μm ridge produced up to 12 mW per facet of single-mode cw output power at 25 °C, with a side-mode suppression ratio of >30 dB.

© 2009 American Institute of Physics

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KEYWORDS and PACS

Keywords

diffraction gratings, distributed feedback lasers, laser modes, optical losses, semiconductor lasers

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3272676

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    M. Kim, C. L. Canedy, W. W. Bewley, C. S. Kim, J. R. Lindle, J. Abell, I. Vurgaftman, and J. R. Meyer, Appl. Phys. Lett. 92, 191110 (2008)APPLAB000092000019191110000001.

    W. W. Bewley, J. R. Lindle, C. S. Kim, M. Kim, C. L. Canedy, I. Vurgaftman, and J. R. Meyer, Appl. Phys. Lett. 93, 041118 (2008)APPLAB000093000004041118000001.

    C. S. Kim, M. Kim, W. W. Bewley, J. R. Lindle, C. L. Canedy, I. Vurgaftman, and J. R. Meyer, Appl. Phys. Lett. 88, 191103 (2006)APPLAB000088000019191103000001.

    C. S. Kim, M. Kim, W. W. Bewley, J. R. Lindle, C. L. Canedy, J. A. Nolde, D. C. Larrabee, I. Vurgaftman, and J. R. Meyer, Appl. Phys. Lett. 92, 071110 (2008)APPLAB000092000007071110000001.


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