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Title: Coupling of a single tin-vacancy center to a photonic crystal cavity in diamond

Abstract

In this work, we demonstrate optical coupling between a single tin-vacancy (SnV) center in diamond and a free-standing photonic crystal nanobeam cavity. The cavities are fabricated using quasi-isotropic etching and feature experimentally measured quality factors as high as ~11000. We investigate the dependence of a single SnV center's emission by controlling the cavity wavelength using a laser-induced gas desorption technique. Under resonance conditions, we observe an intensity enhancement of the SnV emission by a factor of 12 and a 16-fold reduction of the SnV lifetime. Based on the large enhancement of the SnV emission rate inside the cavity, we estimate the Purcell factor for the SnV zero-phonon line to be 37 and the coupling efficiency of the SnV center to the cavity, the β factor, to be 95%. Our work paves the way for the realization of quantum photonic devices and systems based on efficient photonic interfaces using the SnV color center in diamond.

Authors:
ORCiD logo [1];  [2];  [1];  [1];  [3];  [4]; ORCiD logo [3]; ORCiD logo [1]
  1. Harvard University, Cambridge, MA (United States). John A. Paulson School of Engineering and Applied Sciences
  2. Harvard University, Cambridge, MA (United States). John A. Paulson School of Engineering and Applied Sciences; Delft University of Technology, PO Box 5046, 2600 GA Delft, (The Netherlands). QuTech
  3. Friedrich Schiller University of Jena, Max-Wien-Platz, Jena (Germany). Institute of Solid State Physics
  4. The University of Tokyo, Tokyo (Japan). Research Center for Advanced Science and Technology
Publication Date:
Research Org.:
California Institute of Technology (CalTech), Pasadena, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC); US Air Force Office of Scientific Research (AFOSR); US Army Research Office (ARO); National Science Foundation (NSF); Japan Society for the Promotion of Science (JSPS)
OSTI Identifier:
1853615
Grant/Contract Number:  
SC0020376; FA9550-19-1-0376; FA9550-20-1-0105; W911NF1810432; ECCS-1838976; DMR-1231319; EEC-1941583; N00014- 20-1-2425; 202160592; 840968
Resource Type:
Accepted Manuscript
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 118; Journal Issue: 23; Journal ID: ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; Physics; Purcell factor; Photoluminescence spectroscopy; Cavity quantum electrodynamics; Photonic crystals; Crystallographic defects

Citation Formats

Kuruma, Kazuhiro, Pingault, Benjamin, Chia, Cleaven, Renaud, Dylan, Hoffmann, Patrick, Iwamoto, Satoshi, Ronning, Carsten, and Lončar, Marko. Coupling of a single tin-vacancy center to a photonic crystal cavity in diamond. United States: N. p., 2021. Web. doi:10.1063/5.0051675.
Kuruma, Kazuhiro, Pingault, Benjamin, Chia, Cleaven, Renaud, Dylan, Hoffmann, Patrick, Iwamoto, Satoshi, Ronning, Carsten, & Lončar, Marko. Coupling of a single tin-vacancy center to a photonic crystal cavity in diamond. United States. https://doi.org/10.1063/5.0051675
Kuruma, Kazuhiro, Pingault, Benjamin, Chia, Cleaven, Renaud, Dylan, Hoffmann, Patrick, Iwamoto, Satoshi, Ronning, Carsten, and Lončar, Marko. Mon . "Coupling of a single tin-vacancy center to a photonic crystal cavity in diamond". United States. https://doi.org/10.1063/5.0051675. https://www.osti.gov/servlets/purl/1853615.
@article{osti_1853615,
title = {Coupling of a single tin-vacancy center to a photonic crystal cavity in diamond},
author = {Kuruma, Kazuhiro and Pingault, Benjamin and Chia, Cleaven and Renaud, Dylan and Hoffmann, Patrick and Iwamoto, Satoshi and Ronning, Carsten and Lončar, Marko},
abstractNote = {In this work, we demonstrate optical coupling between a single tin-vacancy (SnV) center in diamond and a free-standing photonic crystal nanobeam cavity. The cavities are fabricated using quasi-isotropic etching and feature experimentally measured quality factors as high as ~11000. We investigate the dependence of a single SnV center's emission by controlling the cavity wavelength using a laser-induced gas desorption technique. Under resonance conditions, we observe an intensity enhancement of the SnV emission by a factor of 12 and a 16-fold reduction of the SnV lifetime. Based on the large enhancement of the SnV emission rate inside the cavity, we estimate the Purcell factor for the SnV zero-phonon line to be 37 and the coupling efficiency of the SnV center to the cavity, the β factor, to be 95%. Our work paves the way for the realization of quantum photonic devices and systems based on efficient photonic interfaces using the SnV color center in diamond.},
doi = {10.1063/5.0051675},
journal = {Applied Physics Letters},
number = 23,
volume = 118,
place = {United States},
year = {Mon Jun 07 00:00:00 EDT 2021},
month = {Mon Jun 07 00:00:00 EDT 2021}
}

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