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Efficient single-emitter plasmonic patch antenna fabrication by deterministic in situ optical lithography using spatially modulated light

Abstract : Single-emitter plasmonic patch antennas are room-temperature deterministic single photon sources, which exhibit highly accelerated and directed single photon emission. However, for efficient operation these structures require three-dimensional nanoscale deterministic control of emitter positioning within the device, which is a demanding task, esp. when emitter damage during fabrication is a major concern. To overcome this limitation, our deterministic room-temperature in situ optical lithography protocol uses spatially modulated light to position a plasmonic structure non-destructively on any selected single-emitter with three-dimensional nanoscale control. In this paper we analyze the emission statistics of such plasmonic antennas that embed a deterministically positioned single colloidal CdSe/CdS quantum dot that highlight acceleration and brightness of emission. We demonstrate that the antenna induces a 1000-fold increase of the emitter absorption cross-section, and under high pumping, these antennas show nonlinearly enhanced emission.
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https://hal.archives-ouvertes.fr/hal-03376851
Contributor : Agnes Maitre Connect in order to contact the contributor
Submitted on : Wednesday, October 13, 2021 - 5:22:05 PM
Last modification on : Monday, December 6, 2021 - 4:20:03 PM

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  • HAL Id : hal-03376851, version 1

Citation

Amit Dhawan, Michel Nasilowski, Zhiming Wang, Benoît Dubertret, Agnès Maitre. Efficient single-emitter plasmonic patch antenna fabrication by deterministic in situ optical lithography using spatially modulated light. 2021. ⟨hal-03376851⟩

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