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Proceedings Paper

Quantum Cascade Photonic-Crystal Microlasers
Author(s): Raffaele Colombelli; Kartik Srinivasan; Mariano Troccoli; Oskar J. Painter; Claire F. Gmachl; Donald M Tennant; A. Michael Sergent; Deborah L Sivco; Alfred Y Cho; Federico Capasso
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Paper Abstract

We describe the realization of Quantum Cascade photonic-crystal microlasers. Photonic and electronic bandstructure engineering are combined to create a novel Quantum Cascade microcavity laser source. A high-index contrast two-dimensional photonic crystal forms a micro-resonator that provides feedback for laser action and diffracts light vertically from the surface of the semiconductor chip. A top metallic contact is used to form both a conductive path for current injection as well as to provide vertical optical confinement to the active region through a bound surface plasmon state at the metal-semiconductor interface. The device is miniaturized compared to standard Quantum Cascade technology, and the emission properties can in principle be engineered by design of the photonic crystal lattice. The combination of size reduction, vertical emission, and lithographic tailorability of the emission properties enabled by the use of a high-index contrast photonic crystal resonant cavity makes possible a number of active sensing applications in the mid- and far-infrared. In addition, the use of electrical pumping in these devices opens up another dimension of control for fundamental studies of photonic crystal and surface plasmon structures in linear, non-linear, and near-field optics.

Paper Details

Date Published: 11 May 2004
PDF: 12 pages
Proc. SPIE 5365, Novel In-Plane Semiconductor Lasers III, (11 May 2004); doi: 10.1117/12.532586
Show Author Affiliations
Raffaele Colombelli, Lucent Technologies/Bell Labs. (United States)
Univ. Paris Sud (France)
Kartik Srinivasan, California Institute of Technology (United States)
Mariano Troccoli, Harvard Univ. (United States)
Oskar J. Painter, California Institute of Technology (United States)
Claire F. Gmachl, Lucent Technologies/Bell Labs. (United States)
Princeton Univ. (United States)
Donald M Tennant, Lucent Technologies/Bell Labs. (United States)
New Jersey Nanotechnology Consortium (United States)
A. Michael Sergent, Lucent Technologies/Bell Labs. (United States)
Deborah L Sivco, Lucent Technologies/Bell Labs. (United States)
Alfred Y Cho, Lucent Technologies/Bell Labs. (United States)
Federico Capasso, Harvard Univ. (United States)

Published in SPIE Proceedings Vol. 5365:
Novel In-Plane Semiconductor Lasers III
Claire F. Gmachl; David P. Bour, Editor(s)

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