NDLI: Optimized single photons sources through interaction of colloidal CdSe/ZnS quantum dots with gold surface plasmons

Content Provider	IEEE Xplore Digital Library
Author	Vion, C. Spinicelli, P. Coolen, L. Schwob, C. Barthou, C. Benalloul, P. Frigerio, J.-M. Hermier, J.-P. Maitre, A.
Copyright Year	2009
Description	Author affiliation: Laboratoire Kastler Brossel, UMR CNRS 8552, Ecole Normale Supérieure, Université Pierre et Marie Curie, 24 rue Lhomond, 75005 Paris, France (Spinicelli, P.; Hermier, J.-P.) \|\| Institut des NanoSciences de Paris, UMR CNRS 7588, Université Pierre et Marie Curie, 140 rue de Lourmel, 75015 Paris, France (Vion, C.; Coolen, L.; Schwob, C.; Barthou, C.; Benalloul, P.; Frigerio, J.-M.; Maitre, A.)
Abstract	In biology as well as in quantum information protocols, efficient light sources based on nanoemitters are of great interest. For quantum cryptography, single photons sources, with high quantum yield but also efficient emission collection, are needed. Colloidal CdSe nanocrystals (NCx) are very good candidates for these purposes, as they are versatile and efficient single photon sources at the individual scale. For quantum gates, coherence time of the emission is crucial but its measurement, at cryogenic temperature, remains challenging for single CdSe NCx as they suffer of phase diffusion. A recent experiment proved that their coherence time is larger than 200ps [1]. But the measurement was limited by the collection efficiency, especially low when the sample is inside a cryostat, and an objective with a quite low numerical aperture has to be used. The purpose of this paper is to propose a configuration for which emission efficiency and far field collection of single NCx can be increased.
Starting Page	1
Ending Page	1
File Size	1169711
Page Count	1
File Format	PDF
ISBN	9781424440795
DOI	10.1109/CLEOE-EQEC.2009.5192258
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-14
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature measurement Zinc compounds Gold Electromagnetic measurements Quantum dots Fluorescence Plasmons Nanobioscience Cryptographic protocols Light sources
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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