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

• URL: http://arxiv.org/abs/2110.07089v1
• Date: Thu, 14 Oct 2021 00:14:51 GMT
• Title: Efficient single-emitter plasmonic patch antenna fabrication by novel deterministic in situ optical lithography using spatially modulated light
• Authors: Amit Raj Dhawan, Michel Nasilowski, Zhiming Wang, Beno\^it Dubertret, Agn\`es Ma\^itre
• Abstract summary: Single-emitter plasmonic patch antennas exhibit highly accelerated and directed single photon emission. In this paper we analyze the emission statistics of such plasmonic antennas that embed a deterministically positioned single colloidal CdSe/CdS quantum dot. We demonstrate that the antenna induces a 1000-fold increase in the emitter absorption cross-section, and under high pumping, these antennas show nonlinearly enhanced emission.
• Score: 1.1199585259018459
• License: http://creativecommons.org/licenses/by-sa/4.0/
• 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 in the emitter absorption cross-section, and under high pumping, these antennas show nonlinearly enhanced emission.

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