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Št. zadetkov: 5
Feasibility considerations for free-fall tests of gravitational decoherence
Rainer Kaltenbaek
Izvirni znanstveni članek
Oznake: kvantna fizika;interferometrija;gravitacija;eksperimenti v vesolju;quantum physics;interferometry;gravitation;experiments in space;
Space offers exciting opportunities to test the foundations of quantum physics using macroscopic quantum superpositions. It has been proposed to perform such tests in a dedicated space mission (MAQRO) using matter-wave interferometry with massive test particles or monitoring how the wave function of ...
Leto: 2022 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Interferometric stabilization for a narrowband source of entangled photons
Žiga Pušavec, Rainer Kaltenbaek
Magistrsko delo
Oznake: entanglement;Michelson interferometer;noise spectrum;quantum communication;quantum optics;vibrations;stabilization;nonlinear optics;
The thesis investigates the vibrational noise affecting the stability of the narrowband source of entangled photons we are currently developing. We will use cavity-enhanced spontaneous parametric downconversion in combination with an adapted Michelson interferometer to produce polarization entangled ...
Leto: 2020 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Cavity-enhanced second-harmonic generation of narrowband 655 nm light
Krištof Skok, Rainer Kaltenbaek
Magistrsko delo
Oznake: second harmonic generation;optical cavity;Pound-Drever-Hall technique;free spectral range;cavity bandwidth;finesse;
In the Laboratory for Quantum Optics and Quantum Foundations at the Faculty for Mathematics and Physics, University of Ljubljana, a new type of source of narrowband entangled photons is being build. Entangled photons will be generated via spontaneous parametric downconversion (SPDC), pumped by 655 n ...
Leto: 2022 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Designing a compact cavity-enhanced source of entangled photons
Žiga Pušavec, Lara Ulčakar, Rainer Kaltenbaek
Izvirni znanstveni članek
Oznake: kvantna fizika;kvantna prepletenost;fotoni;optični resonatorji;quantum physics;quantum entanglement;photons;cavity resonators;
Entanglement will be the key resource of future large-scale quantum networks, enabling quantum communication and advanced quantum applications like distributed quantum sensing and distributed quantum computing. To this end, entanglement will have to be distributed over large distances and efficientl ...
Leto: 2025 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Priložnosti in izzivi kvantnih satelitskih komunikacij
Katarina Radaković, Vesna Eržen, Lara Ulčakar, Anton Ramšak, Boštjan Batagelj, Rainer Kaltenbaek, Andrej Lavrič
Pregledni znanstveni članek
Oznake: kvantna tehnologija;telekomunikacije;kvantna komunikacija;satelitska komunikacija;kvantno razdeljevanje ključev;kibernetska varnost;
Kvantna komunikacija prek optičnih satelitskih povezav je ključen korak h globalnim varnim komunikacijskim omrežjem. Ta članek ponuja celovit pregled priložnosti in izzivov povezanih z implementacijo kvantnih komunikacijskih tehnologij prek optičnih satelitskih povezav. Raziskujemo potencial sistemo ...
Leto: 2025 Vir: Fakulteta za elektrotehniko (UL FE)
Št. zadetkov: 5
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