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Proceedings Paper

Integrated photonic quantum technologies with fiber-integrated single photon emitters
Author(s): Tim Schröder; Andreas W. Schell; Günther Kewes; Michael Barth; Thomas Aichele; Oliver Benson
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Paper Abstract

Miniaturization of quantum optical devices down to μm-dimensions and integration into fibre optical networks is a major prerequisite for future implementations of quantum information communication and processing applications. Also scalability, long-term stability and room-temperature operation are important properties of such devices. Lately there have been major improvements in down-sizing logical structures and functionalizing optical fibers. Here we present an alignment free, μm-scale single photon source consisting of a single quantum emitter on an optical fiber operating at room temperature. It easily integrates into fiber optic networks for quantum cryptography or quantum metrology applications. Near-field coupling of a single nitrogen-vacancy center is achieved in a bottom-up approach by placing a pre-selected nanodiamond directly on the fiber facet. Its high photon collection efficiency is equivalent to a far-field collection via an objective with a numerical aperture of 0.82. Furthermore, simultaneous excitation and recollection through the fiber is possible introducing a fiber-connected single emitter sensor that allows near-field probing with quantum mechanical properties.

Paper Details

Date Published: 17 January 2011
PDF: 7 pages
Proc. SPIE 7943, Silicon Photonics VI, 794312 (17 January 2011); doi: 10.1117/12.874854
Show Author Affiliations
Tim Schröder, Humboldt-Univ. zu Berlin (Germany)
Andreas W. Schell, Humboldt-Univ. zu Berlin (Germany)
Günther Kewes, Humboldt-Univ. zu Berlin (Germany)
Michael Barth, Humboldt-Univ. zu Berlin (Germany)
Thomas Aichele, Humboldt-Univ. zu Berlin (Germany)
Oliver Benson, Humboldt-Univ. zu Berlin (Germany)

Published in SPIE Proceedings Vol. 7943:
Silicon Photonics VI
Joel A. Kubby; Graham T. Reed, Editor(s)

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