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Quantum Plasmonic Analysis of Spasers

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thesis
posted on 17.06.2020 by LAKSHITHA CHATHURANGA KUMARAPPERUMA ARACHCHIGE
Emerging area of nano-plasmonics can overcome the limit of diffraction in photonics, achieving nano-scale optical energy confinement. Spaser (nano-scale laser) is the device which serves this purpose by generating, amplifying and sustaining localized surface plasmons. However, the output power of the device is inefficient, and it has other drawbacks such as high thresholds and less tunability. We explore the possibility of using a 3-level model to address these challenges while generating significant physical insights for design optimization. These contributions are vital for practically realizing spasers for a plethora of applications such as quantum computing, nanomedicine and nano-imaging.

History

Campus location

Australia

Principal supervisor

Malin Premaratne

Year of Award

2020

Department, School or Centre

Electrical and Computer Systems Engineering

Course

Doctor of Philosophy

Degree Type

DOCTORATE

Exports

Exports