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  Truncated Metallo-Dielectric Omnidirectional Reflector: Collecting Single Photons in the Fundamental Gaussian Mode with 95% Efficiency

Li, W., Morales-Inostroza, L., Xu, W., Zhang, P., Götzinger, S., & Chen, X.-W. (2020). Truncated Metallo-Dielectric Omnidirectional Reflector: Collecting Single Photons in the Fundamental Gaussian Mode with 95% Efficiency. ACS Photonics 2020 ASAP. doi:10.1021/acsphotonics.0c00730.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-F07F-D Version Permalink: http://hdl.handle.net/21.11116/0000-0006-F1B9-9
Genre: Journal Article

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This is an open access article published under a Creative Commons Attribution (CC-BY) License, which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited.

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 Creators:
Li, Wancong1, Author
Morales-Inostroza, Luis2, Author              
Xu, Weiwang1, Author
Zhang, Pu1, Author
Götzinger, Stephan2, Author              
Chen, Xue-Wen1, Author
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1external, ou_persistent22              
2Sandoghdar Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364722              

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Free keywords: single-photon sources quantum emitters photonic crystals photon extraction circular dielectric grating optical antenna
 Abstract: We propose a novel antenna structure that funnelssingle photons from a single emitter with unprecedented efficiencyinto a low-divergence fundamental Gaussian mode. Our devicerelies on the concept of creating an omnidirectional photonicbandgap to inhibit unwanted large-angle emission and to enhancesmall-angle defect-guided-mode emission. The new photoncollection 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 boundaryconditions posed by fabrication processes or material restrictions and theoretically demonstrate that collection efficiencies into thefundamental Gaussian mode exceeding 95% are achievable. Our antennas are broadband, insensitive to fabrication imperfections andcompatible 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 photonicquantum computer architectures as well as highly efficient light−matter interfaces.

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Language(s): eng - English
 Dates: 2020-08-20
 Publication Status: Published online
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1021/acsphotonics.0c00730
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Title: ACS Photonics 2020 ASAP
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: ISSN: 2330-4022
CoNE: https://pure.mpg.de/cone/journals/resource/2330-4022