Chair of Optical Quantum Technologies

Universal Encoder for Phase-, Time-Bin- and Polarization-Based QKD Schemes (2025) Eul S, Hiemstra T, Vermeer J, Struck J, Marquardt C Conference contribution Photonic Integrated Phase Encoding Transmitter for Satellite QKD (2025) Vermeer J, Pudelko J, Bayraktar Ö, Günthner K, Marquardt C Conference contribution Experimental Deployment of a 4-State Continuous-Variable QKD System with Rate-Adaptive Error Correction in an Urban Environment (2025) Richter S, Eisemann L, Vural H, Bayraktar Ö, Jaksch K, Khan I, Eichhammer E, et al. Conference contribution Indistinguishable Heralded Photon Pairs from a Whispering Gallery Resonator (2025) Huang SH, Dirmeier T, Shafiee G, Laiho K, Strekalov DV, Aiello A, Leuchs G, Marquardt C Conference contribution Indistinguishable MHz-narrow heralded photon pairs from a whispering gallery resonator (2025) Huang SH, Dirmeier T, Shafiee G, Laiho K, Strekalov DV, Aiello A, Leuchs G, Marquardt C Journal article Polarization-entangled photons from a whispering gallery resonator (2024) Huang SH, Dirmeier T, Shafiee G, Laiho K, Strekalov DV, Leuchs G, Marquardt C Journal article Polarization entanglement from a crystalline whispering gallery resonator (2024) Huang SH, Dirmeier T, Shafiee G, Laiho K, Strekalov DV, Leuchs G, Marquardt C Conference contribution Recent Developments in Quantum Key Distribution (2024) Marquardt C Conference contribution Photon counting intensity interferometry in the blue at a 0.5 m telescope (2024) Karl S, Richter S, von Zanthier J Journal article Eavesdropper localization for quantum and classical channels via nonlinear scattering (2023) Popp A, Sedlmeir F, Stiller B, Marquardt C Journal article