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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 2 — Jan. 27, 2014
  • pp: 2111–2118

Distributed-feedback quantum cascade laser emitting at 3.2 μm

Johanna M. Wolf, Alfredo Bismuto, Mattias Beck, and Jérôme Faist  »View Author Affiliations

Optics Express, Vol. 22, Issue 2, pp. 2111-2118 (2014)

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In this work, we present GaInAs/AlAs/AlInAs quantum cascade lasers emitting from 3.2 to 3.4 μm. Single-mode emission is obtained using buried distributed-feedback gratings fabricated using standard deep-UV contact lithography. This technique can easily be transferred to industrial production. Devices with single-mode emission down to 3.19 μm were achieved with peak power of up to 250 mW at −20 °C. A tuning range of 11 cm−1 was obtained by changing the device temperature between −30 °C and 20 °C.

© 2014 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.5960) Lasers and laser optics : Semiconductor lasers
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(300.6360) Spectroscopy : Spectroscopy, laser
(140.5965) Lasers and laser optics : Semiconductor lasers, quantum cascade

ToC Category:
Lasers and Laser Optics

Original Manuscript: November 1, 2013
Revised Manuscript: December 23, 2013
Manuscript Accepted: January 9, 2014
Published: January 24, 2014

Johanna M. Wolf, Alfredo Bismuto, Mattias Beck, and Jérôme Faist, "Distributed-feedback quantum cascade laser emitting at 3.2 μm," Opt. Express 22, 2111-2118 (2014)

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