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    Nanoantenna-Enhanced Radiative and Anisotropic Decay Rates in Monolayer-Quantum Dots

    Year: 2018

    Journal: Plasmonics, Volume 13, OCT, page 1811–1816

    Authors: Tripathi, Laxmi Narayan; Praveena, M.; Johns, Ben; Basu, Jaydeep Kumar

    Organizations: Department of Science and Technology (Nanomission), India; UGC, India

    Keywords: Nanoantena; Quantum dots; Plasmonics

    Nanoantenna-enhanced ultrafast emission from colloidal quantum dots as quantum emitters is required for fast quantum communications. On-chip integration of such devices requires a scalable and high-throughput technology. We report self-assembly lithography technique of preparing hybrid of gold nanorods antenna over a compact CdSe quantum dot monolayer. We demonstrate resonant and nonresonant gold nanorod antenna-enhanced radiative and anisotropic decay. Extensive simulations explain the mechanism of the decay rates and the role of antenna in both random and compact monolayers of quantum dots. The study could find applications in quantum dot display and quantum communication devices.
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