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Lasing mode pattern of a quantum cascade photonic crystal surface-emitting microcavity laser

Srinivasan, Kartik and Painter, Oskar and Colombelli, Raffaele and Gmachl, Claire and Tennant, Donald M. and Sergent, A. Michael and Sivco, Deborah L. and Cho, Alfred Y. and Troccoli, Mariano and Capasso, Federico (2004) Lasing mode pattern of a quantum cascade photonic crystal surface-emitting microcavity laser. Applied Physics Letters, 84 (21). pp. 4164-4166. ISSN 0003-6951. http://resolver.caltech.edu/CaltechAUTHORS:SRIapl04

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Abstract

The identification of the lasing mode within a quantum cascade photonic crystal microcavity laser emitting at λ ~8 µm is presented. The symmetry of the lasing mode is determined by the position of nodal lines within micro-bolometer camera measurements of its polarized spatial distribution. Full three-dimensional finite-difference time-domain simulations are also performed, and the resulting vertically emitted radiation field pattern is seen to follow the experimental results closely.


Item Type:Article
Additional Information:©2004 American Institute of Physics. Received 26 January 2004; accepted 5 April 2004; published online 6 May 2004. This work was partly supported by DARPA/ARO under Contract No. DAAD19-00-C-0096 and by the Charles Lee Powell Foundation. The authors thank R. Martini for lending them the microbolometer camera. K.S. thanks the Hertz Foundation for its financial support.
Subject Keywords:photonic crystals; microcavity lasers; quantum cascade lasers; finite difference time-domain analysis; semiconductor device models
Record Number:CaltechAUTHORS:SRIapl04
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:SRIapl04
Alternative URL:http://dx.doi.org/10.1063/1.1755423
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:4152
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:06 Aug 2006
Last Modified:26 Dec 2012 08:58

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