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Towards imaging with undetected photons with a nonlinear Mach-Zehnder-type interferometer in MIR

 
: Herbst, Florian Gerhard; Elsen, Florian; Jungbluth, Bernd; Hoffmann, Hans-Dieter; Haefner, Constantin Leon

:

Schunemann, Peter G. (Hrsg.) ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Nonlinear Frequency Generation and Conversion: Materials and Devices XX : 6-12 March 2021, Online Only, California, United States
Bellingham, WA: SPIE, 2021 (Proceedings of SPIE 11670)
Paper 116701I
Conference "Nonlinear Frequency Generation and Conversion - Materials and Devices" <20, 2021, Online>
English
Poster
Fraunhofer ILT ()
Photons; Nonlinear crystals; Crystals; Interferometers

Abstract
Spontaneous parametric down-conversion can produce pairs of entangled photons with very different wavelengths. Using SPDC, the scheme of Imaging with Undetected Photons promises to be a versatile tool to facilitate imaging in various spectral ranges and various interferometer designs and geometries. Here, we tackle the task of Imaging with Undetected Photons with a Mach-Zehnder-type Interferometer in MIR. With imaging achieved in a preliminary setup, we investigate the limitations set by nonlinear conversion efficiencies, optical resolution, laser power, and fluorescence of optics on our way to Imaging with Undetected Photons in MIR.

: http://publica.fraunhofer.de/documents/N-638077.html