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High-power, continuous-operation intersubband laser for wavelengths greater than 10  µm

Appl. Phys. Lett. 90, 151115 (2007); doi:10.1063/1.2722190

Published 11 April 2007

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S. Slivken, A. Evans, W. Zhang, and M. Razeghi
Center for Quantum Devices, Department of Electrical Engineering and Computer Science, Northwestern University, Evanston, Illinois 60208
In this letter, high-power continuous-wave emission (>100  mW) and high temperature operation (358  K) at a wavelength of 10.6  µm is demonstrated using an individual diode laser. This wavelength is advantageous for many medium-power applications previously reserved for the carbon dioxide laser. Improved performance was accomplished using industry-standard InP-based materials and by careful attention to design, growth, and fabrication limitations specific to long-wave infrared semiconductor lasers. The main problem areas are explored with regard to laser performance, and general steps are outlined to minimize their impact. ©2007 American Institute of Physics
History: Received 2 January 2007; accepted 12 March 2007; published 11 April 2007
Permalink: http://link.aip.org/link/?APPLAB/90/151115/1
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KEYWORDS and PACS

Keywords
PACS
  • 42.55.Px
    Semiconductor lasers; laser diodes
  • 42.60.By
    Design of specific laser systems
  • YEAR: 2007

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
Publisher:
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REFERENCES (6)
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  1. M. Beck, D. Hofstetter, T. Aellen, J. Faist, U. Oesterle, M. Ilegems, E. Gini, and H. Melchior, Science 295, 301 (2002).
  2. J. S. Yu, S. Slivken, A. Evans, S. R. Darvish, J. Nguyen, and M. Razeghi, Appl. Phys. Lett. 88, 091113 (2006).
  3. M. Razeghi, S. Slivken, A. Tahraoui, and A. Matlis, Proc. SPIE 4287, 13 (2001).
  4. A. Evans, J. S. Yu, J. David, L. Doris, K. Mi, S. Slivken, and M. Razeghi, Appl. Phys. Lett. 84, 314 (2004).
  5. T. Aellen, M. Beck, N. Hoyler, M. Giovannini, J. Faist, and E. Gini, J. Appl. Phys. 100, 043101 (2006).
  6. J. S. Yu, S. Slivken, S. R. Darvish, A. Evans, B. Gokden, and M. Razeghi, Appl. Phys. Lett. 87, 041104 (2005).

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