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Observation of Fourier transform limited lines in hexagonal boron nitride

A. Dietrich, M. Bürk, E. S. Steiger, L. Antoniuk, T. T. Tran, M. Nguyen, I. Aharonovich, F. Jelezko, and A. Kubanek
Phys. Rev. B 98, 081414(R) – Published 31 August 2018
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Abstract

Single defect centers in layered hexagonal boron nitride are promising candidates as single-photon sources for quantum optics and nanophotonics applications. However, spectral instability hinders many applications. Here, we perform resonant excitation measurements and observe Fourier transform limited linewidths down to 50 MHz. We investigated the optical properties of more than 600 single-photon emitters (SPEs) in hBN. The SPEs exhibit narrow zero-phonon lines distributed over a spectral range from 580 to 800 nm and with dipolelike emission with a high polarization contrast. Finally, the emitters withstand transfer to a foreign photonic platform, namely, a silver mirror, which makes them compatible with photonic devices such as optical resonators and paves the way to quantum photonics applications.

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  • Received 20 December 2017

DOI:https://doi.org/10.1103/PhysRevB.98.081414

©2018 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & OpticalCondensed Matter, Materials & Applied Physics

Authors & Affiliations

A. Dietrich1, M. Bürk1, E. S. Steiger1, L. Antoniuk1, T. T. Tran2, M. Nguyen2, I. Aharonovich2, F. Jelezko1,3, and A. Kubanek1,3

  • 1Institute for Quantum Optics, Ulm University, D-89081 Ulm, Germany
  • 2Institute of Biomedical Materials and Devices, Faculty of Science, University of Technology Sydney, Ultimo, New South Wales 2007, Australia
  • 3Center for Integrated Quantum Science and Technology (IQst), Ulm University, D-89081 Ulm, Germany

Comments & Replies

Comment on “Observation of Fourier transform limited lines in hexagonal boron nitride”

W. Langbein
Phys. Rev. B 100, 047401 (2019)

Reply to “Comment on ‘Observation of Fourier transform limited lines in hexagonal boron nitride’”

A. Dietrich, M. Bürk, E. S. Steiger, L. Antoniuk, T. T. Tran, M. Nguyen, I. Aharonovich, F. Jelezko, and A. Kubanek
Phys. Rev. B 100, 047402 (2019)

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Vol. 98, Iss. 8 — 15 August 2018

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