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Title: Nanoimplantation and Purcell enhancement of single nitrogen-vacancy centers in photonic crystal cavities in diamond

Abstract

We present the controlled creation of single nitrogen-vacancy (NV) centers via ion implantation at the center of a photonic crystal cavity which is fabricated in an ultrapure, single crystal diamond membrane. High-resolution placement of NV centers is achieved using collimation of a 5 keV-nitrogen ion beam through a pierced tip of an atomic force microscope. We demonstrate coupling of the implanted NV centers' broad band fluorescence to a cavity mode and observe Purcell enhancement of the spontaneous emission. The results are in good agreement with a master equation model for the cavity coupling.

Authors:
;  [1]; ;  [2]; ;  [3]; ;  [4]
  1. Universität des Saarlandes, Fachrichtung 7.2 (Experimentalphysik), Campus E 2.6, 66123 Saarbrücken (Germany)
  2. Universität Leipzig, Institut für Experimentalphysik II, Linnéstraße 5, 04103 Leipzig (Germany)
  3. Universität des Saarlandes, Fachrichtung 8.4 (Materialwissenschaft und Werkstofftechnik), Campus D 3.3, 66123 Saarbrücken (Germany)
  4. Element Six Ltd., Global Innovation Centre, Fermi Avenue, Harwell Oxford, Didcot OX11 0QR (United Kingdom)
Publication Date:
OSTI Identifier:
22423737
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 106; Journal Issue: 22; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ATOMIC FORCE MICROSCOPY; DIAMONDS; FLUORESCENCE; ION IMPLANTATION; MONOCRYSTALS; NANOSTRUCTURES; NITROGEN; VACANCIES

Citation Formats

Riedrich-Möller, Janine, Becher, Christoph, E-mail: christoph.becher@physik.uni-saarland.de, Pezzagna, Sébastien, Meijer, Jan, Pauly, Christoph, Mücklich, Frank, Markham, Matthew, and Edmonds, Andrew M.. Nanoimplantation and Purcell enhancement of single nitrogen-vacancy centers in photonic crystal cavities in diamond. United States: N. p., 2015. Web. doi:10.1063/1.4922117.
Riedrich-Möller, Janine, Becher, Christoph, E-mail: christoph.becher@physik.uni-saarland.de, Pezzagna, Sébastien, Meijer, Jan, Pauly, Christoph, Mücklich, Frank, Markham, Matthew, & Edmonds, Andrew M.. Nanoimplantation and Purcell enhancement of single nitrogen-vacancy centers in photonic crystal cavities in diamond. United States. doi:10.1063/1.4922117.
Riedrich-Möller, Janine, Becher, Christoph, E-mail: christoph.becher@physik.uni-saarland.de, Pezzagna, Sébastien, Meijer, Jan, Pauly, Christoph, Mücklich, Frank, Markham, Matthew, and Edmonds, Andrew M.. Mon . "Nanoimplantation and Purcell enhancement of single nitrogen-vacancy centers in photonic crystal cavities in diamond". United States. doi:10.1063/1.4922117.
@article{osti_22423737,
title = {Nanoimplantation and Purcell enhancement of single nitrogen-vacancy centers in photonic crystal cavities in diamond},
author = {Riedrich-Möller, Janine and Becher, Christoph, E-mail: christoph.becher@physik.uni-saarland.de and Pezzagna, Sébastien and Meijer, Jan and Pauly, Christoph and Mücklich, Frank and Markham, Matthew and Edmonds, Andrew M.},
abstractNote = {We present the controlled creation of single nitrogen-vacancy (NV) centers via ion implantation at the center of a photonic crystal cavity which is fabricated in an ultrapure, single crystal diamond membrane. High-resolution placement of NV centers is achieved using collimation of a 5 keV-nitrogen ion beam through a pierced tip of an atomic force microscope. We demonstrate coupling of the implanted NV centers' broad band fluorescence to a cavity mode and observe Purcell enhancement of the spontaneous emission. The results are in good agreement with a master equation model for the cavity coupling.},
doi = {10.1063/1.4922117},
journal = {Applied Physics Letters},
number = 22,
volume = 106,
place = {United States},
year = {Mon Jun 01 00:00:00 EDT 2015},
month = {Mon Jun 01 00:00:00 EDT 2015}
}
  • We investigate dynamics of a laser-driven and dissipative system consisting of two nitrogen-vacancy (N-V) centers embedded in two spatially separated single-mode nanocavities in a planar photonic crystal (PC). Spontaneous emission from the excited states of the N-V centers can be effectively suppressed by virtue of the Raman transition in the dispersive regime. The system displays a series of damped oscillations under various experimental situations, where we solve the time-dependent Schroedinger equation analytically for arbitrary values of the hopping and PC-N-V coupling strengths. In particular, our results indicate that some special values should be taken for the hopping strength if wemore » hope to have high-fidelity quantum state transfer between the two distant N-V centers. We have also analyzed the relevant entanglement dynamics in the presence of decoherence. The experimental feasibility and challenge are justified using currently available technology.« less
  • Exposure to beams of low-energy electrons (2-30 keV) in a scanning electron microscope locally induces formation of NV-centers without thermal annealing in diamonds that have been implanted with nitrogen ions. In this study, we find that non-thermal, electron-beam-induced NV-formation is about four times less efficient than thermal annealing. But NV-center formation in a consecutive thermal annealing step (800°C) following exposure to low-energy electrons increases by a factor of up to 1.8 compared to thermal annealing alone. Finally, these observations point to reconstruction of nitrogen-vacancy complexes induced by electronic excitations from low-energy electrons as an NV-center formation mechanism and identify localmore » electronic excitations as a means for spatially controlled room-temperature NV-center formation.« less
  • We explore the entanglement generation and the corresponding dynamics between two separate nitrogen-vacancy (NV) centers in diamond nanocrystal coupled to a photonic molecule consisting of a pair of coupled photonic crystal (PC) cavities. By calculating the entanglement concurrence with readily available experimental parameters, it is found that the entanglement degree strongly depends on the cavity-cavity hopping strength and the NV-center-cavity detuning. High concurrence peak and long-lived entanglement plateau can be achieved by properly adjusting practical system parameters. Meanwhile, we also discuss the influence of the coupling strength between the NV centers and the cavity modes on the behavior of themore » concurrence. Such a PC-NV system can be employed for quantum entanglement generation and represents a building block for an integrated nanophotonic network in a solid-state cavity quantum electrodynamics platform. In addition, the present theory can also be applied to other similar systems, such as two single quantum emitters positioned close to a microtoroidal resonator with the whispering-gallery-mode fields propagating inside the resonator.« less
  • The negatively charged nitrogen vacancy center (NV) in diamond has generated significant interest as a platform for quantum information processing and sensing in the solid state. For most applications, high quality optical cavities are required to enhance the NV zero-phonon line (ZPL) emission. An outstanding challenge in maximizing the degree of NV-cavity coupling is the deterministic placement of NVs within the cavity. Here, we report photonic crystal nanobeam cavities coupled to NVs incorporated by a delta-doping technique that allows nanometer-scale vertical positioning of the emitters. We demonstrate cavities with Q up to ∼24 000 and mode volume V ∼ 0.47(λ/n){sup 3} as wellmore » as resonant enhancement of the ZPL of an NV ensemble with Purcell factor of ∼20. Our fabrication technique provides a first step towards deterministic NV-cavity coupling using spatial control of the emitters.« less