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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 14 — Jul. 15, 2012
  • pp: 2901–2903

Integrated and compact fiber-coupled single-photon system based on nitrogen-vacancy centers and gradient-index lenses

Tim Schröder, Philip Engel, Eberhard Schmidt, and Oliver Benson  »View Author Affiliations

Optics Letters, Vol. 37, Issue 14, pp. 2901-2903 (2012)

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A fiber-coupled single-photon system is presented. Gradient-index lenses are utilized for single-photon collection and fiber coupling of a nitrogen-vacancy defect center in a nanodiamond. Integrated filter technology separates excitation and laser light. Therefore, the system is ultracompact with 120mm3 in dimension as no bulky free beam optics are used. The commercial availability of all components and their simple assembly allows the implementation of a low-cost single-photon system, possibly approaching single-photon count rates of 500kcts/s.

© 2012 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.6080) Optical devices : Sources
(060.1155) Fiber optics and optical communications : All-optical networks
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: April 11, 2012
Revised Manuscript: May 24, 2012
Manuscript Accepted: June 1, 2012
Published: July 11, 2012

Tim Schröder, Philip Engel, Eberhard Schmidt, and Oliver Benson, "Integrated and compact fiber-coupled single-photon system based on nitrogen-vacancy centers and gradient-index lenses," Opt. Lett. 37, 2901-2903 (2012)

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