Precisely positioned and scalable single-photon emitters (SPEs) are highly desirable for applications in quantum technology. This Perspective discusses single-photon-emitting atomistic defects in monolayers of MoS2 that can be generated by focused He-ion irradiation with few nanometers positioning accuracy. We present the optical properties of the emitters and the possibilities to implement them into photonic and optoelectronic devices. We showcase the advantages of the presented emitters with respect to atomistic positioning, scalability, long (microsecond) lifetime, and a homogeneous emission energy within ensembles of the emitters. Moreover, we demonstrate that the emitters are stable in energy on a timescale exceeding several weeks and that temperature cycling narrows the ensembles' emission energy distribution.
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17 August 2020
Perspective|
August 18 2020
Atomistic defects as single-photon emitters in atomically thin MoS2
K. Barthelmi;
K. Barthelmi
1
Walter Schottky Institut und Physik Department, Technische Universität München
, Am Coulombwall 4, 85748 Garching, Germany
2
Munich Center of Quantum Science and Technology (MCQST)
, Schellingstr. 4, 80799 Munich, Germany
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J. Klein
;
J. Klein
1
Walter Schottky Institut und Physik Department, Technische Universität München
, Am Coulombwall 4, 85748 Garching, Germany
2
Munich Center of Quantum Science and Technology (MCQST)
, Schellingstr. 4, 80799 Munich, Germany
3
Department of Materials Science and Engineering, Massachusetts Institute of Technology
, Cambridge, Massachusetts 02139, USA
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A. Hötger;
A. Hötger
1
Walter Schottky Institut und Physik Department, Technische Universität München
, Am Coulombwall 4, 85748 Garching, Germany
2
Munich Center of Quantum Science and Technology (MCQST)
, Schellingstr. 4, 80799 Munich, Germany
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L. Sigl;
L. Sigl
1
Walter Schottky Institut und Physik Department, Technische Universität München
, Am Coulombwall 4, 85748 Garching, Germany
2
Munich Center of Quantum Science and Technology (MCQST)
, Schellingstr. 4, 80799 Munich, Germany
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F. Sigger;
F. Sigger
1
Walter Schottky Institut und Physik Department, Technische Universität München
, Am Coulombwall 4, 85748 Garching, Germany
2
Munich Center of Quantum Science and Technology (MCQST)
, Schellingstr. 4, 80799 Munich, Germany
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E. Mitterreiter;
E. Mitterreiter
1
Walter Schottky Institut und Physik Department, Technische Universität München
, Am Coulombwall 4, 85748 Garching, Germany
2
Munich Center of Quantum Science and Technology (MCQST)
, Schellingstr. 4, 80799 Munich, Germany
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S. Rey;
S. Rey
1
Walter Schottky Institut und Physik Department, Technische Universität München
, Am Coulombwall 4, 85748 Garching, Germany
2
Munich Center of Quantum Science and Technology (MCQST)
, Schellingstr. 4, 80799 Munich, Germany
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S. Gyger
;
S. Gyger
4
KTH Royal Institute of Technology, Department of Applied Physics, Albanova University Centre
, Roslagstullsbacken 21, 106 91 Stockholm, Sweden
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M. Lorke
;
M. Lorke
5
Institut für Theoretische Physik, Universität Bremen
, P.O. Box 330 440, 28334, Bremen, Germany
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M. Florian;
M. Florian
5
Institut für Theoretische Physik, Universität Bremen
, P.O. Box 330 440, 28334, Bremen, Germany
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F. Jahnke;
F. Jahnke
5
Institut für Theoretische Physik, Universität Bremen
, P.O. Box 330 440, 28334, Bremen, Germany
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T. Taniguchi;
T. Taniguchi
6
International Center for Materials Nanoarchitectonics, National Institute for Materials Science
, 1-1 Namiki, Tsukuba 305-0044, Japan
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K. Watanabe
;
K. Watanabe
7
Research Center for Functional Materials, National Institute for Materials Science
, 1-1 Namiki, Tsukuba 305-0044, Japan
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V. Zwiller;
V. Zwiller
4
KTH Royal Institute of Technology, Department of Applied Physics, Albanova University Centre
, Roslagstullsbacken 21, 106 91 Stockholm, Sweden
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K. D. Jöns
;
K. D. Jöns
4
KTH Royal Institute of Technology, Department of Applied Physics, Albanova University Centre
, Roslagstullsbacken 21, 106 91 Stockholm, Sweden
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U. Wurstbauer
;
U. Wurstbauer
8
Institute of Physics, University of Münster
, 48149 Münster, Germany
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C. Kastl
;
C. Kastl
1
Walter Schottky Institut und Physik Department, Technische Universität München
, Am Coulombwall 4, 85748 Garching, Germany
2
Munich Center of Quantum Science and Technology (MCQST)
, Schellingstr. 4, 80799 Munich, Germany
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A. Weber-Bargioni;
A. Weber-Bargioni
9
Molecular Foundry, Lawrence Berkeley National Laboratory
, 1 Cyclotron Road, Berkeley, California 94720, USA
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J. J. Finley
;
J. J. Finley
a)
1
Walter Schottky Institut und Physik Department, Technische Universität München
, Am Coulombwall 4, 85748 Garching, Germany
2
Munich Center of Quantum Science and Technology (MCQST)
, Schellingstr. 4, 80799 Munich, Germany
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K. Müller
;
K. Müller
a)
1
Walter Schottky Institut und Physik Department, Technische Universität München
, Am Coulombwall 4, 85748 Garching, Germany
2
Munich Center of Quantum Science and Technology (MCQST)
, Schellingstr. 4, 80799 Munich, Germany
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A. W. Holleitner
A. W. Holleitner
b)
1
Walter Schottky Institut und Physik Department, Technische Universität München
, Am Coulombwall 4, 85748 Garching, Germany
2
Munich Center of Quantum Science and Technology (MCQST)
, Schellingstr. 4, 80799 Munich, Germany
b)Author to whom correspondence should be addressed: [email protected]
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b)Author to whom correspondence should be addressed: [email protected]
a)
Electronic addresses: [email protected] and [email protected]
Appl. Phys. Lett. 117, 070501 (2020)
Article history
Received:
June 15 2020
Accepted:
July 30 2020
Citation
K. Barthelmi, J. Klein, A. Hötger, L. Sigl, F. Sigger, E. Mitterreiter, S. Rey, S. Gyger, M. Lorke, M. Florian, F. Jahnke, T. Taniguchi, K. Watanabe, V. Zwiller, K. D. Jöns, U. Wurstbauer, C. Kastl, A. Weber-Bargioni, J. J. Finley, K. Müller, A. W. Holleitner; Atomistic defects as single-photon emitters in atomically thin MoS2. Appl. Phys. Lett. 17 August 2020; 117 (7): 070501. https://doi.org/10.1063/5.0018557
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