Photon number projection using non-number-resolving detectors

Rohde, Peter P., Webb, James G., Huntington, Elanor H. and Ralph, Timothy C. (2007) Photon number projection using non-number-resolving detectors. New Journal of Physics, 9 233: 010233-1-010233-18. doi:10.1088/1367-2630/9/7/233

Author Rohde, Peter P.
Webb, James G.
Huntington, Elanor H.
Ralph, Timothy C.
Title Photon number projection using non-number-resolving detectors
Journal name New Journal of Physics   Check publisher's open access policy
ISSN 1367-2630
Publication date 2007-07-17
Sub-type Article (original research)
DOI 10.1088/1367-2630/9/7/233
Open Access Status DOI
Volume 9
Issue 233
Start page 010233-1
End page 010233-18
Total pages 18
Editor Eberhard Bodenschatz
Place of publication Bristol
Publisher Institute of Physics Publishing
Collection year 2008
Language eng
Subject C1
780102 Physical sciences
240402 Quantum Optics and Lasers
Abstract Number-resolving photo-detection is necessary for many quantum optics experiments, especially in the application of entangled state preparation. Several schemes have been proposed for approximating number-resolving photo-detection using non-number-resolving detectors. Such techniques include multi-port detection and time-division multiplexing. We provide a detailed analysis and comparison of different number-resolving detection schemes, with a view to creating a useful reference for experimentalists. We show that the ideal architecture for projective measurements is a function of the detector's dark count and efficiency parameters. We also describe a process for selecting an appropriate topology given actual experimental component parameters.
Keyword Physics, Multidisciplinary
Discriminating Detectors
Q-Index Code C1

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Created: Mon, 18 Feb 2008, 15:53:58 EST