Efficient recycling strategies for preparing large Fock states from single-photon sources: Applications to quantum metrology

Keith R. Motes, Ryan L. Mann, Jonathan P. Olson, Nicholas M. Studer, E. Annelise Bergeron, Alexei Gilchrist, Jonathan P. Dowling, Dominic W. Berry, and Peter P. Rohde
Phys. Rev. A 94, 012344 – Published 27 July 2016

Abstract

Fock states are a fundamental resource for many quantum technologies such as quantum metrology. While much progress has been made in single-photon source technologies, preparing Fock states with a large photon number remains challenging. We present and analyze a bootstrapped approach for nondeterministically preparing large photon-number Fock states by iteratively fusing smaller Fock states on a beamsplitter. We show that by employing state recycling we are able to exponentially improve the preparation rate over conventional schemes, allowing the efficient preparation of large Fock states. The scheme requires single-photon sources, beamsplitters, number-resolved photodetectors, fast-feedforward, and an optical quantum memory.

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  • Received 3 March 2016

DOI:https://doi.org/10.1103/PhysRevA.94.012344

©2016 American Physical Society

Physics Subject Headings (PhySH)

  1. Research Areas
Atomic, Molecular & Optical

Authors & Affiliations

Keith R. Motes1,*, Ryan L. Mann2, Jonathan P. Olson3, Nicholas M. Studer3, E. Annelise Bergeron3, Alexei Gilchrist1, Jonathan P. Dowling3, Dominic W. Berry4, and Peter P. Rohde2,†

  • 1Centre for Engineered Quantum Systems, Department of Physics and Astronomy, Macquarie University, Sydney NSW 2113, Australia
  • 2Centre for Quantum Computation and Intelligent Systems, Faculty of Engineering & Information Technology, University of Technology Sydney, Sydney NSW 2007, Australia
  • 3Hearne Institute for Theoretical Physics and Department of Physics & Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA
  • 4Department of Physics and Astronomy, Macquarie University, Sydney NSW 2113, Australia

  • *motesk@gmail.com
  • dr.rohde@gmail.com

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Issue

Vol. 94, Iss. 1 — July 2016

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