Integrated photonic quantum technologies with fiber-integrated single photon emitters

Tim Schröder; Andreas W. Schell; Günther Kewes; Michael Barth; Thomas Aichele; Oliver Benson

doi:10.1117/12.874854

17 January 2011 Integrated photonic quantum technologies with fiber-integrated single photon emitters

Tim Schröder, Andreas W. Schell, Günther Kewes, Michael Barth, Thomas Aichele, Oliver Benson

Proceedings Volume 7943, Silicon Photonics VI; 794312 (2011) https://doi.org/10.1117/12.874854
Event: SPIE OPTO, 2011, San Francisco, California, United States

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.

Citation Download Citation

Tim Schröder, Andreas W. Schell, Günther Kewes, Michael Barth, Thomas Aichele, and Oliver Benson "Integrated photonic quantum technologies with fiber-integrated single photon emitters", Proc. SPIE 7943, Silicon Photonics VI, 794312 (17 January 2011); https://doi.org/10.1117/12.874854

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KEYWORDS

Single photon

Luminescence

Optical fibers

Quantum information

Diamond

Near field

Quantum cryptography

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