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Proceedings Paper

An extremely low-noise heralded single-photon source without temporal post-selection
Author(s): F. Piacentini; P. Traina; A. Della Frera; A. Tosi; C. Scarcella; A. Ruggeri; A. Gulinatti; M. Ghioni; S. V. Polyakov; A. Migdall; A. Giudice; G. Brida; I. P. Degiovanni; M. Genovese
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Paper Abstract

With the recent progresses in quantum technologies, single photon sources have gained a primary relevance. Here we present a heralded single photon source characterized by an extremely low level of noise photons, realized by exploiting low-jitter electronics and detectors and fast custom-made electronics used to control an optical shutter (a LiNbO3 waveguide optical switch) at the output of the source. This single photon source showed a second-order autocorrelation function g(2)(0) = 0:005(7), and an Output Noise Factor (defined as the ratio of noise photons to total photons at the source output) of 0:25(1)%, among the best ever achieved.

Paper Details

Date Published: 6 May 2013
PDF: 6 pages
Proc. SPIE 8773, Photon Counting Applications IV; and Quantum Optics and Quantum Information Transfer and Processing, 87730S (6 May 2013); doi: 10.1117/12.2017378
Show Author Affiliations
F. Piacentini, Istituto Nazionale di Ricerca Metrologica (Italy)
P. Traina, Istituto Nazionale di Ricerca Metrologica (Italy)
A. Della Frera, Politecnico di Milano (Italy)
A. Tosi, Politecnico di Milano (Italy)
C. Scarcella, Politecnico di Milano (Italy)
A. Ruggeri, Politecnico di Milano (Italy)
A. Gulinatti, Politecnico di Milano (Italy)
M. Ghioni, Politecnico di Milano (Italy)
S. V. Polyakov, Joint Quantum Institute, Univ. of Maryland and National Institute of Standards and Technology (United States)
A. Migdall, Joint Quantum Institute, Univ. of Maryland and National Institute of Standards and Technology (United States)
A. Giudice, Micro Photon Devices S.r.l. (Italy)
G. Brida, Istituto Nazionale di Ricerca Metrologica (Italy)
I. P. Degiovanni, Istituto Nazionale di Ricerca Metrologica (Italy)
M. Genovese, Istituto Nazionale di Ricerca Metrologica (Italy)


Published in SPIE Proceedings Vol. 8773:
Photon Counting Applications IV; and Quantum Optics and Quantum Information Transfer and Processing
Jaromír Fiurásek; Ivan Prochazka; Roman Sobolewski, Editor(s)

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