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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 9 — May. 6, 2013
  • pp: 10917–10923

Electrically driven nanopillars for THz quantum cascade lasers

M. I. Amanti, A. Bismuto, M. Beck, L. Isa, K. Kumar, E. Reimhult, and J. Faist  »View Author Affiliations

Optics Express, Vol. 21, Issue 9, pp. 10917-10923 (2013)

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In this work we present a rapid and parallel process for the fabrication of large scale arrays of electrically driven nanopillars for THz quantum cascade active media. We demonstrate electrical injection of pillars of 200 nm diameter and 2 µm height, over a surface of 1 mm2. THz electroluminescence from the nanopillars is reported. This result is a promising step toward the realization of zero-dimensional structure for terahertz quantum cascade lasers.

© 2013 OSA

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(220.4241) Optical design and fabrication : Nanostructure fabrication
(140.5965) Lasers and laser optics : Semiconductor lasers, quantum cascade

ToC Category:
Lasers and Laser Optics

Original Manuscript: February 28, 2013
Revised Manuscript: April 1, 2013
Manuscript Accepted: April 17, 2013
Published: April 26, 2013

M. I. Amanti, A. Bismuto, M. Beck, L. Isa, K. Kumar, E. Reimhult, and J. Faist, "Electrically driven nanopillars for THz quantum cascade lasers," Opt. Express 21, 10917-10923 (2013)

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