Strongly nondegenerate spontaneous parametric down-conversion for calibration of terahertz-wave detectors-Reference-Cited by-同舟云学术

Strongly nondegenerate spontaneous parametric down-conversion for calibration of terahertz-wave detectors

Published:2017-12 Issue:08 Volume:15 Page:1740024
ISSN:0219-7499
Container-title:International Journal of Quantum Information
language:en
Short-container-title:Int. J. Quantum Inform.

Author:

Kitaeva Galiya Kh.¹,Kornienko Vladimir V.¹²

Affiliation:

1. Faculty of Physics, M.V. Lomonosov Moscow State University, 1-2 Leninskiye Gory str., Moscow 119991, Russia

2. All-Russia Research Institute of Automatics (VNIIA), 22 Sushchevskaya str., Moscow 127055, Russia

Abstract

The impact of spatial limitation of the nonlinear interaction volume on the spontaneous parametric down-conversion spectra in a strongly nondegenerate regime is analyzed from the point of absolute calibration of the terahertz-wave nonlinear-optical detectors. We show that the idler wave angular resolution of the calibration method can be inherently low (about 1 to 10 degrees in lithium niobate crystals), and to fill all the input modes with external idler radiation, one has to take special care on geometry of the nonlinear interaction. Angular sensitivity distribution function is constructed, and a consecutive description is provided for both the parametric down-conversion and the external idler radiation detection processes.

Publisher

World Scientific Pub Co Pte Lt

Subject

Physics and Astronomy (miscellaneous)

Link

https://www.worldscientific.com/doi/pdf/10.1142/S021974991740024X

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