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Mid-infrared Electroluminescence from Surface Plasmon Coupled InAs Quantum Dots

Published online by Cambridge University Press:  31 January 2011

Brandon Passmore ,
David Adams ,
Troy Ribaudo ,
Dan Wasserman ,
Stephen Lyon  and
Eric Shaner
Brandon Passmore
Affiliation:
[email protected], Sandia National Laboratories, Albuquerque, New Mexico, United States
David Adams
Affiliation:
[email protected], University of Massachusetts Lowell, Physics and Applied Physics, Lowell, Massachusetts, United States
Troy Ribaudo
Affiliation:
[email protected], University of Massachusetts Lowell, Physics and Applied Physics, Lowell, Massachusetts, United States
Dan Wasserman
Affiliation:
[email protected], University of Massachusetts Lowell, Physics and Applied Physics, Lowell, Massachusetts, United States
Stephen Lyon
Affiliation:
[email protected], Princeton University, Electrical Engineering, Princeton, New Jersey, United States
Eric Shaner
Affiliation:
[email protected], Sandia National Laboratories, Albuquerque, New Mexico, United States
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Abstract

The mid-infrared spontaneous emission from intersubband energy transitions in self-assembled InAs quantum dots is demonstrated with plasmonic top contact output couplers. Electrically pumped devices having subwavelength meshes designed to exhibit extraordinary optical transmission from 9 – 12 μm are measured and compared to a reference device with an open area contact. From additional patterning on the top contact, the signal-to-noise ratio was 4 times greater than the reference device. Beyond simply filtering the emission spectra of the quantum dot material, an emission null is observed which we link to the dots being in the near field region of the plasmonic coupler.

Keywords

III-Voptoelectronicnanostructure
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1208: Symposium O – Excitons and Plasmon Resonances in Nanostructures II , 2009 , 1208-O07-02
Copyright
Copyright © Materials Research Society 2010

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