Thiele F, Hummel T, Lange NA, et al. Pyroelectric influence on lithium niobate during the thermal transition for cryogenic integrated photonics. Materials for Quantum Technology. 2024;4(1). doi:10.1088/2633-4356/ad207d

Roeder F, Pollmann R, Stefszky M, et al. Measurement of Ultrashort Biphoton Correlation Times with an Integrated Two-Color Broadband SU(1,1)-Interferometer. PRX Quantum. 2024;5(2). doi:10.1103/prxquantum.5.020350

Serino L, Gil López J, Stefszky M, et al. Realization of a Multi-Output Quantum Pulse Gate for Decoding High-Dimensional Temporal Modes of Single-Photon States. PRX Quantum. 2023;4(2). doi:10.1103/prxquantum.4.020306

Babel S, Bollmers L, Massaro M, et al. Demonstration of Hong-Ou-Mandel interference in an LNOI directional coupler. Optics Express. 2023;31(14). doi:10.1364/oe.484126

Neufeld S, Gerstmann U, Padberg L, et al. Vibrational Properties of the Potassium Titanyl Phosphate Crystal Family. Crystals. 2023;13(10). doi:10.3390/cryst13101423

Thiele F, Hummel T, McCaughan AN, et al. All optical operation of a superconducting photonic interface. Optics Express. 2023;31(20). doi:10.1364/oe.492035

Farheen H, Yan L-Y, Quiring V, et al. Broadband optical TO5 antennas for directional emission of light. Optics Express. 2022;30(11):19288. doi:10.1364/oe.455815

Lange NA, Höpker JP, Ricken R, et al. Cryogenic integrated spontaneous parametric down-conversion. Optica. 2022;9(1). doi:10.1364/optica.445576

Thiele F, vom Bruch F, Brockmeier J, et al. Cryogenic electro-optic modulation in titanium in-diffused lithium niobate waveguides. Journal of Physics: Photonics. 2022;4(3). doi:10.1088/2515-7647/ac6c63

Meyer-Scott E, Prasannan N, Dhand I, et al. Scalable Generation of Multiphoton Entangled States by Active Feed-Forward and Multiplexing. Physical Review Letters. 2022;129(15). doi:10.1103/physrevlett.129.150501

Meyer-Scott E, Prasannan N, Dhand I, et al. Scalable Generation of Multiphoton Entangled States by Active Feed-Forward and Multiplexing. Physical Review Letters. 2022;129(15). doi:10.1103/physrevlett.129.150501

Meier T, Hoepker JP, Protte M, et al. Two-Mode Photon-Number Correlations Created by Measurement-Induced Nonlinearity. In: Conference on Lasers and Electro-Optics: Applications and Technology. Optica Publishing Group; 2022:JTu3A. 17. doi:10.1364/CLEO_AT.2022.JTu3A.17

Padberg L, Quiring V, Bocchini A, et al. DC Ionic Conductivity in KTP and Its Isomorphs: Properties, Methods for Suppression, and Its Connection to Gray Tracking. Crystals. 2022;12:1359. doi:10.3390/cryst12101359

Höpker JP, Verma VB, Protte M, et al. Integrated superconducting nanowire single-photon detectors on titanium in-diffused lithium niobate waveguides. Journal of Physics: Photonics. 2021;3:034022. doi:10.1088/2515-7647/ac105b

Bartnick M, Santandrea M, Höpker JP, et al. Cryogenic Second-Harmonic Generation in Periodically Poled Lithium Niobate Waveguides. Physical Review Applied. Published online 2021. doi:10.1103/physrevapplied.15.024028

Padberg L, Eigner C, Santandrea M, Silberhorn C. Production of waveguides made of materials from the KTP family. Published online 2021.

Gil López J, Santandrea M, Roland G, et al. Improved non-linear devices for quantum applications. New Journal of Physics. Published online 2021. doi:10.1088/1367-2630/ac09fd

Brockmeier J, Mackwitz PWM, Rüsing M, et al. Non-Invasive Visualization of Ferroelectric Domain Structures on the Non-Polar y-Surface of KTiOPO4 via Raman Imaging. Crystals. Published online 2021. doi:10.3390/cryst11091086

Allgaier M, Ansari V, Donohue JM, et al. Pulse shaping using dispersion-engineered difference frequency generation. Physical Review A. 2020;101. doi:10.1103/physreva.101.043819

Stefszky M, Santandrea M, vom Bruch F, et al. Waveguide resonator with an integrated phase modulator for second harmonic generation. Optics Express. Published online 2020. doi:10.1364/oe.412824