Investigation of plasmonic enhancement in a quantum dot-in-a-well structure

Alireza Kazemi; Brianna Klein; Mohsen Nami; Jun Oh Kim; Monica S. Allen; Jeffery W. Allen; Brett R. Wenner; Dean P. Brown; Augustine Urbas; Daniel Feezell; Bill Mitchell; Sanjay Krishna

doi:10.1117/12.2076227

8 February 2015 Investigation of plasmonic enhancement in a quantum dot-in-a-well structure

Alireza Kazemi, Brianna Klein, Mohsen Nami, Jun Oh Kim, Monica S. Allen, Jeffery W. Allen, Brett R. Wenner, Dean P. Brown, Augustine Urbas, Daniel Feezell, Bill Mitchell, Sanjay Krishna

Author Affiliations +

Proceedings Volume 9370, Quantum Sensing and Nanophotonic Devices XII; 937019 (2015) https://doi.org/10.1117/12.2076227
Event: SPIE OPTO, 2015, San Francisco, California, United States

Abstract

Metallic metamaterial structures are used in nanophotonics applications in order to localize and enhance an incident electromagnetic field. We have theoretically and experimentally studied resonant coupling between plasmonic modes of an SRR array and a quantum dot-in-a-well (DWELL) heterostructure. The near-field distribution from the SRRs on the GaAs substrate was first modeled by electromagnetic simulations and optimized SRR dimensions for maximum nearfield coupling at the peak absorption were extracted. The DWELL sample with a ground state emission peak at 1240 nm was grown by molecular beam epitaxy on a semi-insulating GaAs substrate. The sample was uniformly covered with an array of SRRs, and patterned by standard electron-beam-lithography. In order to study the near field coupling of the plasmonic structure into the DWELL, optical characterization was performed on the SRR-DWELL heterostructure, including room temperature photoluminescence, and transmission measurement.

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Alireza Kazemi, Brianna Klein, Mohsen Nami, Jun Oh Kim, Monica S. Allen, Jeffery W. Allen, Brett R. Wenner, Dean P. Brown, Augustine Urbas, Daniel Feezell, Bill Mitchell, and Sanjay Krishna "Investigation of plasmonic enhancement in a quantum dot-in-a-well structure", Proc. SPIE 9370, Quantum Sensing and Nanophotonic Devices XII, 937019 (8 February 2015); https://doi.org/10.1117/12.2076227

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KEYWORDS

Polarization

Plasmonics

Gallium arsenide

Absorption

Sensors

Heterojunctions

Infrared detectors

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