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16 papers · 2 filters
Ad-hoc hybrid-heterogeneous metropolitan-range quantum key distribution network
Matthias Goy, Jan Krause, Ömer Bayraktar +37
This paper presents the development and implementation of a versatile ad-hoc metropolitan-range Quantum Key Distribution (QKD) network. The approach presented integrates various ty…
Observation of a Multimode Displaced Squeezed State in High-Harmonic Generation
David Theidel, Viviane Cotte, Philip Heinzel +4
High harmonic generation is a resource of extremely broad frequency combs of ultrashort light pulses. The non-classical nature of this new quantum source has been recently evidence…
Quantum Optics Applications of Hexagonal Boron Nitride Defects
Aslı Çakan, Chanaprom Cholsuk, Angus Gale +6
Hexagonal boron nitride (hBN) has emerged as a compelling platform for both classical and quantum technologies. In particular, the past decade has witnessed a surge of novel ideas…
State Swapping via Semiclassical Gravity
Praveer K. Gollapudi, M. Kemal Döner, André Großardt
The prediction of non-local phenomena is a key attribute of quantum mechanics that distinguishes it from classical theories. It was recently suggested that state swapping is one su…
Multipartite Entanglement and Quantum Sensing in a Spin-5/2 Heisenberg Molecular Iron(III) Triangle
Hamid Arian Zad, Jozef Strečka, Winfried Plass
This study provides insights into the static and dynamic quantum properties of the trinuclear high-spin iron(III) molecular complex $[\mathrm{Fe}_3\mathrm{Cl}_3(\mathrm{saltag^\mat…
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…