General simulation method for spontaneous parametric down- and parametric up-conversion experiments

Riexinger, Felix; Kutas, Mirco; Haase, Björn; Bickert, Patricia; Molter, Daniel; Bortz, Michael; Freymann, Georg von

doi:10.48550/arxiv.2112.07243

Cited by 2 publications

(3 citation statements)

References 23 publications

(29 reference statements)

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“…To describe the biphoton states produced by the two spontaneous parametric downconversion (SPDC) sources NL1 and NL2 we use a highly accurate and general model for predicting absolute photon rates based on Ref. [27]. This sophisticated model takes many of the material properties into account, such as the wavelength dependence of refractive indices and nonlinear susceptibility yielding an accurate and complex SPDC model that needs to be evaluated numerically.…”

Section: Methodsmentioning

confidence: 99%

General Simulation Method for Quantum‐Sensing Systems

Riexinger

Kutas

Haase

et al. 2023

Laser & Photonics Reviews

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Quantum sensing encompasses highly promising techniques with diverse applications including noise-reduced imaging, super-resolution microscopy, as well as imaging and spectroscopy in challenging spectral ranges. These detection schemes use biphoton correlations to surpass classical limits or transfer information to different spectral ranges. Theoretical analysis is mostly confined to idealized conditions. Therefore, theoretical predictions and experimental results for the performance of quantum-sensing systems often diverge. This general simulation method that includes experimental imperfections bridges the gap between theory and experiment. A theoretical approach is developed and the capabilities are demonstrated with the simulation of aligned and misaligned quantum-imaging experiments. The results recreate the characteristics of the experimental data. The simulation results were further used to improve the obtained images in post-processing. As a simulation method for general quantum-sensing systems, this work provides a step toward powerful simulation tools for interactively exploring the design space and optimizing the experiment's characteristics.

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Section: Methodsmentioning

confidence: 99%

General Simulation Method for Quantum‐Sensing Systems

Riexinger

Kutas

Haase

et al. 2023

Laser & Photonics Reviews

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“…This model was also applied in the extreme light regime. [54,55] Riexinger et al demonstrate the application of this method to the creation of visible and terahertz photons. In this regime the influence of thermal photons plays a crucial role.…”

Section: Simulation Of Spdc Sourcesmentioning

confidence: 99%

“…c) Experimental and simulated frequency distribution of signal photons with an emission angle 𝜃 s = 0.2 • considering multiple QPM orders. Reproduced under the terms of a CC-BY license [55]. Copyright 2022, The Authors.…”

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confidence: 99%

Quantum Sensing with Extreme Light

et al. 2022

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Optical nonlinear conversion processes are ubiquitously applied to scientific as well as industrial tasks. In particular, nonlinear processes are employed to generate radiation in many frequency ranges. In plenty of these nonlinear processes, the generation of paired photons occurs -the so-called signal and idler photons. Although this type of generation has undergone a tremendous development over the last decades, either the generated signal or the idler radiation has been used experimentally. In contrast, novel quantum-based measurement principles enable the usage of both partners of the generated photon pairs based on their correlation. These measurement approaches have an enormous potential for future applications, as they allow to transfer information from one spectral range to another. In particular, spectral ranges where photon generation and detection is particularly challenging can benefit from this principle. Above all, these include the extreme frequency ranges, such as on the low-frequency side the mid to far infrared or even the terahertz spectral range, but also on the high-frequency side the ultraviolet or X-ray spectral range. In this review article, theoretical and experimental developments based on correlated biphotons are described specifically for the extreme spectral regions.

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General simulation method for spontaneous parametric down- and parametric up-conversion experiments

Cited by 2 publications

References 23 publications

General Simulation Method for Quantum‐Sensing Systems

General Simulation Method for Quantum‐Sensing Systems

Quantum Sensing with Extreme Light

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