The Truncated Metallo-dielectric Omnidirectional Reflector: Collecting
Single Photons in the Fundamental Gaussian Mode with 95% Efficiency
- URL: http://arxiv.org/abs/2008.02029v1
- Date: Wed, 5 Aug 2020 10:09:46 GMT
- Title: The Truncated Metallo-dielectric Omnidirectional Reflector: Collecting
Single Photons in the Fundamental Gaussian Mode with 95% Efficiency
- Authors: Wancong Li, Luis Morales-Inostroza, Weiwang Xu, Pu Zhang, Jan Renger,
Stephan G\"otzinger, Xue-Wen Chen
- Abstract summary: We propose a novel antenna structure which funnels single photons from a single emitter into a low-divergence fundamental Gaussian mode.
Our device relies on the concept of creating an omnidirectional photonic bandgap to inhibit unwanted large-angle emission and to enhance small-angle defect-guided-mode emission.
- Score: 4.127645555053321
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: We propose a novel antenna structure which funnels single photons from a
single emitter with unprecedented efficiency into a low-divergence fundamental
Gaussian mode. Our device relies on the concept of creating an omnidirectional
photonic bandgap to inhibit unwanted large-angle emission and to enhance
small-angle defect-guided-mode emission. The new photon collection strategy is
intuitively illustrated, rigorously verified and optimized by implementing an
efficient body-of-revolution finite-difference time-domain method for in-plane
dipole emitters. We investigate a few antenna designs to cover various boundary
conditions posed by fabrication processes or material restrictions and
theoretically demonstrate that collection efficiencies into the fundamental
Gaussian mode exceeding 95% are achievable. Our antennas are broadband,
insensitive to fabrication imperfections and compatible with a variety of
solid-state emitters such as organic molecules, quantum dots and defect centers
in diamond. Unidirectional and low-divergence Gaussian-mode emission from a
single emitter may enable the realization of a variety of photonic quantum
computer architectures as well as highly efficient light-matter interfaces.
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