• Open Access

Coherent Control in the Ground and Optically Excited States of an Ensemble of Erbium Dopants

Pablo Cova Fariña, Benjamin Merkel, Natalia Herrera Valencia, Penghong Yu, Alexander Ulanowski, and Andreas Reiserer
Phys. Rev. Applied 15, 064028 – Published 11 June 2021

Abstract

Ensembles of erbium dopants can realize quantum memories and frequency converters that operate in the minimal-loss wavelength band of fiber optical communication. Their operation requires the initialization, coherent control, and readout of the electronic spin state. In this work, we use a split-ring microwave resonator to demonstrate such control in both the ground and optically excited state. The presented techniques can also be applied to other combinations of dopant and host and may facilitate the further development of quantum memory protocols and sensing schemes.

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  • Received 26 January 2021
  • Revised 6 April 2021
  • Accepted 12 May 2021

DOI:https://doi.org/10.1103/PhysRevApplied.15.064028

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Open access publication funded by the Max Planck Society.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & OpticalCondensed Matter, Materials & Applied PhysicsQuantum Information, Science & Technology

Authors & Affiliations

Pablo Cova Fariña1,2,†, Benjamin Merkel1,2,†, Natalia Herrera Valencia1,2,‡, Penghong Yu1,2, Alexander Ulanowski1,2, and Andreas Reiserer1,2,*

  • 1Quantum Networks Group, Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Straße 1, Garching D-85748, Germany
  • 2Munich Center for Quantum Science and Technology (MCQST), Ludwig-Maximilians-Universität München, Fakultät für Physik, Schellingstraße 4, München D-80799, Germany

  • *andreas.reiserer@mpq.mpg.de
  • P.C.F. and B.M. contributed equally to this work.
  • Present address: Institute of Photonics and Quantum Sciences, Heriot-Watt University, Edinburgh, United Kingdom.

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Issue

Vol. 15, Iss. 6 — June 2021

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