19 citations · 52 across the 10 of their papers we have counts for
11 papers
Looking Beyond Visibility: Resolving the Temporal Structure of Continuous-Wave Four-Photon Hong-Ou-Mandel Interference
Sabine Häussler, Meritxell Cabrejo-Ponce, Ana Maria Torres +3
Hong-Ou-Mandel interference underpins many photonic quantum information protocols and is commonly characterized by a single visibility parameter. This quantity is typically obtaine…
Asynchronous Multi-photon Interference for Quantum Networks
Baghdasar Baghdasaryan, Karen Lozano-Méndez, Markus Leipe +11
Advanced quantum communication protocols require high-visibility quantum interference between photons generated at distant nodes, which places stringent demands on optical synchron…
Entanglement swapping in high dimensions with only linear optics
Baghdasar Baghdasaryan, Kaushik Joarder, Fabian Steinlechner
Entanglement swapping is a fundamental building block for realizing first-generation quantum repeaters, which are essential for building global quantum networks. Current quantum re…
Engineering of maximally entangled orbital angular momentum states via path identity
Richard Bernecker, Baghdasar Baghdasaryan, Stephan Fritzsche
Cutting-edge quantum technologies lean on sources of high-dimensional entangled states (HDES) that reliably prepare high-fidelity target states. The idea to overlap photon paths fr…
High-dimensional maximally entangled photon pairs in parametric down-conversion
Richard Bernecker, Baghdasar Baghdasaryan, Stephan Fritzsche
Photon pairs generated from spontaneous parametric down-conversion are a well-established method to realize entangled bipartite photonic systems. Laguerre-Gaussian modes, which car…
Enhancing the purity of single photons in parametric down-conversion through simultaneous pump-beam and crystal-domain engineering
Baghdasar Baghdasaryan, Fabian Steinlechner, Stephan Fritzsche
Spontaneous parametric down-conversion (SPDC) has shown great promise in the generation of pure and indistinguishable single photons. Photon pairs produced in bulk crystals are hig…
Spatial and temporal characteristics of spontaneous parametric down-conversion with varying focal planes of interacting beams
Richard Bernecker, Baghdasar Baghdasaryan, Stephan Fritzsche
Spontaneous parametric down-conversion (SPDC) is a widely used process to prepare entangled photon pairs. In SPDC, a second-order nonlinear crystal is pumped by a coherent laser be…
Maximizing the Validity of the Gaussian Approximation for the biphoton State from Parametric Downconversion
Baghdasar Baghdasaryan, Fabian Steinlechner, Stephan Fritzsche
Spontaneous parametric down-conversion (SPDC) is widely used in quantum applications based on photonic entanglement. The efficiency of photon pair generation is often characterized…
Spectral Properties of Transverse Laguerre-Gauss Modes in Parametric Down-Conversion
Carlos Sevilla-Gutiérrez, Varun Raj Kaipalath, Baghdasar Baghdasaryan +3
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-de…
Generalized description of the spatio-temporal biphoton State in spontaneous parametric down-conversion
Baghdasar Baghdasaryan, Carlos Sevilla-Gutiérrez, Fabian Steinlechner +1
Spontaneous parametric down-conversion (SPDC) is a widely used source for photonic entanglement. Years of focused research have led to a solid understanding of the process, but a c…
Follow-up imaging observations of comet 2I/Borisov
M. Mugrauer, R. Bischoff, W. Stenglein +3
Follow-up imaging observations of the first detected interstellar comet 2I/Borisov are presented, which were carried out with the Schmidt-Teleskop-Kamera at the University Observat…