skip to main content
DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Coherent spin control of a nanocavity-enhanced qubit in diamond

Abstract

A central aim of quantum information processing is the efficient entanglement of multiple stationary quantum memories via photons. Among solid-state systems, the nitrogen-vacancy centre in diamond has emerged as an excellent optically addressable memory with second-scale electron spin coherence times. Recently, quantum entanglement and teleportation have been shown between two nitrogen-vacancy memories, but scaling to larger networks requires more efficient spin-photon interfaces such as optical resonators. Here we report such nitrogen-vacancy nanocavity systems in strong Purcell regime with optical quality factors approaching 10,000 and electron spin coherence times exceeding 200 µs using a silicon hard-mask fabrication process. This spin-photon interface is integrated with on-chip microwave striplines for coherent spin control, providing an efficient quantum memory for quantum networks.

Authors:
 [1];  [2];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [2];  [3];  [3];  [1]
  1. MIT (Massachusetts Inst. of Technology), Cambridge, MA (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Element Six, Santa Clara, CA (United States)
Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1182530
Report Number(s):
BNL-107598-2015-JA
Journal ID: ISSN 2041-1723; R&D Project: 16070; KC0403020
Grant/Contract Number:  
SC00112704
Resource Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 6; Journal Issue: 48; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY; functional nanomaterials

Citation Formats

Li, Luozhou, Lu, Ming, Schroder, Tim, Chen, Edward H., Walsh, Michael, Bayn, Igal, Goldstein, Jordan, Gaathon, Ophir, Trusheim, Matthew E., Mower, Jacob, Cotlet, Mircea, Markham, Matthew L., Twitchen, Daniel J., and Englund, Dirk. Coherent spin control of a nanocavity-enhanced qubit in diamond. United States: N. p., 2015. Web. doi:10.1038/ncomms7173.
Li, Luozhou, Lu, Ming, Schroder, Tim, Chen, Edward H., Walsh, Michael, Bayn, Igal, Goldstein, Jordan, Gaathon, Ophir, Trusheim, Matthew E., Mower, Jacob, Cotlet, Mircea, Markham, Matthew L., Twitchen, Daniel J., & Englund, Dirk. Coherent spin control of a nanocavity-enhanced qubit in diamond. United States. doi:10.1038/ncomms7173.
Li, Luozhou, Lu, Ming, Schroder, Tim, Chen, Edward H., Walsh, Michael, Bayn, Igal, Goldstein, Jordan, Gaathon, Ophir, Trusheim, Matthew E., Mower, Jacob, Cotlet, Mircea, Markham, Matthew L., Twitchen, Daniel J., and Englund, Dirk. Wed . "Coherent spin control of a nanocavity-enhanced qubit in diamond". United States. doi:10.1038/ncomms7173. https://www.osti.gov/servlets/purl/1182530.
@article{osti_1182530,
title = {Coherent spin control of a nanocavity-enhanced qubit in diamond},
author = {Li, Luozhou and Lu, Ming and Schroder, Tim and Chen, Edward H. and Walsh, Michael and Bayn, Igal and Goldstein, Jordan and Gaathon, Ophir and Trusheim, Matthew E. and Mower, Jacob and Cotlet, Mircea and Markham, Matthew L. and Twitchen, Daniel J. and Englund, Dirk},
abstractNote = {A central aim of quantum information processing is the efficient entanglement of multiple stationary quantum memories via photons. Among solid-state systems, the nitrogen-vacancy centre in diamond has emerged as an excellent optically addressable memory with second-scale electron spin coherence times. Recently, quantum entanglement and teleportation have been shown between two nitrogen-vacancy memories, but scaling to larger networks requires more efficient spin-photon interfaces such as optical resonators. Here we report such nitrogen-vacancy nanocavity systems in strong Purcell regime with optical quality factors approaching 10,000 and electron spin coherence times exceeding 200 µs using a silicon hard-mask fabrication process. This spin-photon interface is integrated with on-chip microwave striplines for coherent spin control, providing an efficient quantum memory for quantum networks.},
doi = {10.1038/ncomms7173},
journal = {Nature Communications},
number = 48,
volume = 6,
place = {United States},
year = {2015},
month = {1}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Citation Metrics:
Cited by: 45 works
Citation information provided by
Web of Science

Save / Share: