Investigation of the light energy extraction efficiency using surface modes in electrically pumped semiconductor microcavity

E. H. Khoo; I. Ahmed; E. P. Li

doi:10.1117/12.860618

27 August 2010 Investigation of the light energy extraction efficiency using surface modes in electrically pumped semiconductor microcavity

E. H. Khoo, I. Ahmed, E. P. Li

Author Affiliations +

Proceedings Volume 7764, Nanoengineering: Fabrication, Properties, Optics, and Devices VII; 77640B (2010) https://doi.org/10.1117/12.860618
Event: SPIE NanoScience + Engineering, 2010, San Diego, California, United States

Abstract

In this paper we demonstrate how an elliptically shaped semiconductor microcavity can be used to generate surface plasmons (SP) mode by pumping current and injecting optical pulse. After achieving stable lasing mode, external magnetic field is applied to a small elliptical confined area on the elliptical microcavity. The applied magnetic field produces Lorentz torque and "pushes" the electrons to the edge of the microcavity. Strong electron plasma is built up on the boundary of the microcavity and air interface as more electrons accumulate. The laser light source interacts with the electron plasma at the boundary of microcavity and excites surface plasmon mode. The direct excitation of SPP modes could be used to extract the laser light from elliptical microcavity source and results in a lower coupling loss and higher efficient small coupling system.

Citation Download Citation

E. H. Khoo, I. Ahmed, and E. P. Li "Investigation of the light energy extraction efficiency using surface modes in electrically pumped semiconductor microcavity", Proc. SPIE 7764, Nanoengineering: Fabrication, Properties, Optics, and Devices VII, 77640B (27 August 2010); https://doi.org/10.1117/12.860618

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