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Title: Efficient photon coupling from a diamond nitrogen vacancy center by integration with silica fiber

Journal Article · · Light, Science & Applications
DOI:https://doi.org/10.1038/lsa.2016.32· OSTI ID:1623782
 [1];  [2];  [2];  [2];  [2];  [2];  [2]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Dept. of Electrical Engineering and Computer Science; Stanford Univ., CA (United States). Dept. of Applied Physics
  2. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Dept. of Electrical Engineering and Computer Science

A central goal in quantum information science is to efficiently interface photons with single optical modes for quantum networking and distributed quantum computing. Here, we introduce and experimentally demonstrate a compact and efficient method for the low-loss coupling of a solid-state qubit, the nitrogen vacancy (NV) center in diamond, with a single-mode optical fiber. In this approach, single-mode tapered diamond waveguides containing exactly one high quality NV memory are selected and integrated on tapered silica fibers. Numerical optimization of an adiabatic coupler indicates that near-unity-efficiency photon transfer is possible between the two modes. Experimentally, we find an overall collection efficiency between 16% and 37% and estimate a single photon count rate at saturation above 700 kHz. This integrated system enables robust, alignment-free, and efficient interfacing of single-mode optical fibers with single photon emitters and quantum memories in solids.

Research Organization:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-98CH10886
OSTI ID:
1623782
Journal Information:
Light, Science & Applications, Vol. 5, Issue 2; ISSN 2047-7538
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 51 works
Citation information provided by
Web of Science

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Cited By (11)

On-chip excitation of single germanium vacancies in nanodiamonds embedded in plasmonic waveguides journal September 2018
On-chip generation of heralded photon-number states journal October 2016
Two-dimensional photonic crystal slab nanocavities on bulk single-crystal diamond journal April 2018
A fiber-integrated nanobeam single photon source emitting at telecom wavelengths journal April 2019
Two-dimensional photonic crystals for engineering atom–light interactions journal June 2019
On-chip integration of single solid-state quantum emitters with a SiO 2 photonic platform journal April 2019
Efficient nitrogen-vacancy centers’ fluorescence excitation and collection from micrometer-sized diamond by a tapered optical fiber in endoscope-type configuration journal January 2019
On-chip integration of single solid-state quantum emitters with a SiO2 photonic platform text January 2019
On-chip generation of heralded photon-number states text January 2016
A fiber-coupled diamond quantum nanophotonic interface text January 2016
Two-Dimensional Photonic Crystals for Engineering Atom-Light Interactions text January 2018