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Published October 30, 2003 | Supplemental Material
Journal Article Open

Quantum Cascade Surface-Emitting Photonic Crystal Laser

Abstract

We combine photonic and electronic band structure engineering to create a surface-emitting quantum cascade microcavity laser. A high-index contrast two-dimensional photonic crystal is used to form a micro-resonator that simultaneously provides feedback for laser action and diffracts light vertically from the surface of the semiconductor surface. A top metallic contact allows electrical current injection and provides vertical optical confinement through a bound surface plasmon wave. The miniaturization and tailorable emission properties of this design are potentially important for sensing applications, while electrical pumping can allow new studies of photonic crystal and surface plasmon structures in nonlinear and near-field optics.

Additional Information

© 2003 American Association for the Advancement of Science. 18 August 2003; accepted 14 October 2003. Published online 30 October 2003; 10.1126/science.1090561. Include this information when citing this paper. This work was partly supported by Defense Advanced Research Projects Agency (DARPA/ARO) under contract number DAAD19-00-C-0096. We acknowledge useful discussions and help from K. Steeples, M.L. Peabody, A. Straub, K. Baldwin, A. Erbe, and R. Paiella. We thank R. Martini for lending the micro-bolometer camera. K.S. thanks the Hertz Foundation for financial support.

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