Chair of Optical Quantum Technologies

Photonic Integrated Phase Encoding Transmitter for Satellite QKD (2025) Vermeer J, Pudelko J, Bayraktar Ö, Günthner K, Marquardt C Conference contribution Universal Encoder for Phase-, Time-Bin- and Polarization-Based QKD Schemes (2025) Eul S, Hiemstra T, Vermeer J, Struck J, 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 Quantum Communication with Photonic Integrated Circuits on a CubeSat (2025) Pudelko J, Bayraktar Ö, Vermeer J, Vill L, Khan I, Boxleitner W, Petscharnig S, et al. Conference contribution 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 Phase-locking an interferometer with single-photon detections (2023) Hacker B, Günthner K, Rößler C, Marquardt C Journal article