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Title: Bright nanowire single photon source based on SiV centers in diamond

Journal Article · · Optics Express
DOI:https://doi.org/10.1364/OE.26.000080· OSTI ID:1415337

The practical implementation of quantum technologies such as quantum commu- nication and quantum cryptography relies on the development of indistinguishable, robust, and bright single photon sources that works at room temperature. The silicon- vacancy (SiV-) center in diamond has emerged as a possible candidate for a single photon source with all these characteristics. Unfortunately, due to the high refraction index mismatch between diamond and air, color centers in diamond show low photon out-coupling. This drawback can be overcome by fabrication of photonic structures that improve the in-coupling of excitation laser to the diamond defect as well as the out-coupling emission from the color centers. An additional shortcoming is due to the random localization of native defects in the diamond sample. Here we demonstrate deterministic implantation of Si ions with high conversion effciency to single SiV-, targeted to fabricated nanowires. The co-localization of single SiV- defects with the nanostructures yields a ten times higher light coupling effciency as compared to single SiV- in the bulk. This result, with its intrinsic scalability, enables a new class of devices for integrated photonics and quantum information processing.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1415337
Alternate ID(s):
OSTI ID: 1429740
Report Number(s):
SAND-2017-1943J; OPEXFF
Journal Information:
Optics Express, Journal Name: Optics Express Vol. 26 Journal Issue: 1; ISSN 1094-4087
Publisher:
Optical Society of AmericaCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 29 works
Citation information provided by
Web of Science

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Cited By (6)

Proposed narrowband biphoton generation from an ensemble of solid-state quantum emitters journal January 2019
Quantum nanophotonics with group IV defects in diamond journal December 2019
Nanowire-based sources of non-classical light journal March 2019
Single-photon sources with quantum dots in III–V nanowires journal April 2019
Quantum Micro–Nano Devices Fabricated in Diamond by Femtosecond Laser and Ion Irradiation journal April 2019
Nanoscale sensing based on nitrogen vacancy centers in single crystal diamond and nanodiamonds: achievements and challenges journal October 2019

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