Zobrazeno 1 - 10
of 91
pro vyhledávání: '"Graefe, Markus"'
Autor:
Töpfer, Sebastian, Tovar, Sergio, Torres, Josué R. León, Derr, Daniel, Giese, Enno, Fuenzalida, Jorge, Gräfe, Markus
Utilizing nonlinear interferometers for sensing with undetected light enables new sensing and imaging techniques in spectral ranges that are difficult to detect. To enhance this method for future applications, it is advantageous to extract both ampli
Externí odkaz:
http://arxiv.org/abs/2410.17239
Visibility Stokes parameters as a foundation for quantum information science with undetected photons
The phenomenon of induced coherence without induced emission allows to reconstruct the quantum state of a photon that remains undetected. The state information is transferred to its partner photon via optical coherence. Using this phenomenon, a numbe
Externí odkaz:
http://arxiv.org/abs/2409.10740
Autor:
Krstić, Aleksa, Gäbler, Tobias Bernd, Jain, Nitish, Then, Patrick, Gili, Valerio Flavio, Saravi, Sina, Setzpfandt, Frank, Eggeling, Christian, Gräfe, Markus
Entangled two-photon absorption can enable a linear scaling of fluorescence emission with the excitation power. In comparison to classical two-photon absorption with a quadratic scaling, this can allow fluorescence imaging or photolithography with hi
Externí odkaz:
http://arxiv.org/abs/2406.01075
Publikováno v:
Opt. Lett. 49, 5467-5470 (2024)
We present an experimental implementation of a polarization-entangled photon pair source based on beam displacers. The down-converted photons are emitted via spontaneous parametric down-conversion in a non-degenerate and type-0 process. We obtain a s
Externí odkaz:
http://arxiv.org/abs/2405.04360
Autor:
León-Torres, Josué R., Krajinić, Filip, Kumar, Mohit, Basset, Marta Gilaberte, Setzpfandt, Frank, Gili, Valerio Flavio, Jelenković, Branislav, Gräfe, Markus
Quantum imaging with undetected light (QIUL) can retrieve amplitude and phase information of an object by exploiting the quantum correlations of photon-pairs generated through spontaneous parametric down conversion (SPDC), where the illumination and
Externí odkaz:
http://arxiv.org/abs/2404.17370
Publikováno v:
New J. Phys. 26, 023018 (2024)
Quantum sensing using non-linear interferometers offers the possibility of bicolour imaging, using light that never interacted with the object of interest, and provides a way to achieve phase supersensitivity, i.e. a Heisenberg-type scaling of the ph
Externí odkaz:
http://arxiv.org/abs/2311.12782
Autor:
Basset, Marta Gilaberte, Sondenheimer, René, Fuenzalida, Jorge, Vega, Andres, Töpfer, Sebastian, Santos, Elkin A., Saravi, Sina, Setzpfandt, Frank, Steinlechner, Fabian, Gräfe, Markus
Publikováno v:
Phys. Rev. A 108, 052610 (2023)
Image resolution of quantum imaging with undetected photons is governed by the spatial correlations existing between the photons of a photon pair that has been generated in a nonlinear process. These correlations allow for obtaining an image of an ob
Externí odkaz:
http://arxiv.org/abs/2306.01884
Publikováno v:
Adv. Physics Res. 2, 2300037 (2023)
Fluorescence excitation by absorption of entangled photon pairs offers benefits compared to classical imaging techniques, such as the attainment of higher signal levels at low excitation power while simultaneously mitigating photo-toxicity. However,
Externí odkaz:
http://arxiv.org/abs/2303.16584
Autor:
Fuenzalida, Jorge, Basset, Marta Gilaberte, Töpfer, Sebastian, Torres, Juan P., Gräfe, Markus
Publikováno v:
Sci. Adv. 9, eadg9573 (2023)
Imaging based on the induced coherence effect makes use of photon pairs to obtain information of an object without detecting the light that probes it. While one photon illuminates the object, only its partner is detected, so no measurement of coincid
Externí odkaz:
http://arxiv.org/abs/2301.02529
Autor:
Sevilla-Gutiérrez, Carlos, Kaipalath, Varun Raj, Baghdasaryan, Baghdasar, Gräfe, Markus, Fritzsche, Stephan, Steinlechner, Fabian
The first color photos of the parametric down-conversion (PDC) emission cone illustrate the correlation of longitudinal- and transverse momentum in the process, i.e., wavelength-dependent emission angle of PDC photons. However, current experiments an
Externí odkaz:
http://arxiv.org/abs/2209.01913