Pyroelectric influence on lithium niobate during the thermal transition for cryogenic integrated photonics
F. Thiele, T. Hummel, N.A. Lange, F. Dreher, M. Protte, F. vom Bruch, S. Lengeling, H. Herrmann, C. Eigner, C. Silberhorn, T. Bartley, Materials for Quantum Technology 4 (2024).
LibreCat: /record/51356
DOI: 10.1088/2633-4356/ad207d

Measurement of Ultrashort Biphoton Correlation Times with an Integrated Two-Color Broadband SU(1,1)-Interferometer
F. Roeder, R. Pollmann, M. Stefszky, M. Santandrea, K.H. Luo, V. Quiring, R. Ricken, C. Eigner, B. Brecht, C. Silberhorn, PRX Quantum 5 (2024).
LibreCat: /record/54544
DOI: 10.1103/prxquantum.5.020350

Realization of a Multi-Output Quantum Pulse Gate for Decoding High-Dimensional Temporal Modes of Single-Photon States
L. Serino, J. Gil López, M. Stefszky, R. Ricken, C. Eigner, B. Brecht, C. Silberhorn, PRX Quantum 4 (2023).
LibreCat: /record/44081
DOI: 10.1103/prxquantum.4.020306

Demonstration of Hong-Ou-Mandel interference in an LNOI directional coupler
S. Babel, L. Bollmers, M. Massaro, K.H. Luo, M. Stefszky, F. Pegoraro, P. Held, H. Herrmann, C. Eigner, B. Brecht, L. Padberg, C. Silberhorn, Optics Express 31 (2023).
LibreCat: /record/45850
DOI: 10.1364/oe.484126

Vibrational Properties of the Potassium Titanyl Phosphate Crystal Family
S. Neufeld, U. Gerstmann, L. Padberg, C. Eigner, G. Berth, C. Silberhorn, L.M. Eng, W.G. Schmidt, M. Rüsing, Crystals 13 (2023).
LibreCat: /record/47997
DOI: 10.3390/cryst13101423

All optical operation of a superconducting photonic interface
F. Thiele, T. Hummel, A.N. McCaughan, J. Brockmeier, M. Protte, V. Quiring, S. Lengeling, C. Eigner, C. Silberhorn, T. Bartley, Optics Express 31 (2023).
LibreCat: /record/48399
DOI: 10.1364/oe.492035

Broadband optical TO5 antennas for directional emission of light
H. Farheen, L.-Y. Yan, V. Quiring, C. Eigner, T. Zentgraf, S. Linden, J. Förstner, V. Myroshnychenko, Optics Express 30 (2022) 19288.
LibreCat: /record/31329
DOI: 10.1364/oe.455815

Cryogenic integrated spontaneous parametric down-conversion
N.A. Lange, J.P. Höpker, R. Ricken, V. Quiring, C. Eigner, C. Silberhorn, T. Bartley, Optica 9 (2022).
LibreCat: /record/30342
DOI: 10.1364/optica.445576

Cryogenic electro-optic modulation in titanium in-diffused lithium niobate waveguides
F. Thiele, F. vom Bruch, J. Brockmeier, M. Protte, T. Hummel, R. Ricken, V. Quiring, S. Lengeling, H. Herrmann, C. Eigner, C. Silberhorn, T. Bartley, Journal of Physics: Photonics 4 (2022).
LibreCat: /record/33672
DOI: 10.1088/2515-7647/ac6c63

Scalable Generation of Multiphoton Entangled States by Active Feed-Forward and Multiplexing
E. Meyer-Scott, N. Prasannan, I. Dhand, C. Eigner, V. Quiring, S. Barkhofen, B. Brecht, M.B. Plenio, C. Silberhorn, Physical Review Letters 129 (2022).
LibreCat: /record/39025
DOI: 10.1103/physrevlett.129.150501

Scalable Generation of Multiphoton Entangled States by Active Feed-Forward and Multiplexing
E. Meyer-Scott, N. Prasannan, I. Dhand, C. Eigner, V. Quiring, S. Barkhofen, B. Brecht, M.B. Plenio, C. Silberhorn, Physical Review Letters 129 (2022).
LibreCat: /record/40273
DOI: 10.1103/physrevlett.129.150501

Two-Mode Photon-Number Correlations Created by Measurement-Induced Nonlinearity
T. Meier, J.P. Hoepker, M. Protte, C. Eigner, C. Silberhorn, P.R. Sharapova, J. Sperling, T. Bartley, in: Conference on Lasers and Electro-Optics: Applications and Technology, Optica Publishing Group, 2022, p. JTu3A. 17.
LibreCat: /record/43744
DOI: 10.1364/CLEO_AT.2022.JTu3A.17

DC Ionic Conductivity in KTP and Its Isomorphs: Properties, Methods for Suppression, and Its Connection to Gray Tracking
L. Padberg, V. Quiring, A. Bocchini, M. Santandrea, U. Gerstmann, W.G. Schmidt, C. Silberhorn, C. Eigner, Crystals 12 (2022) 1359.
LibreCat: /record/33484
DOI: 10.3390/cryst12101359

Integrated superconducting nanowire single-photon detectors on titanium in-diffused lithium niobate waveguides
J.P. Höpker, V.B. Verma, M. Protte, R. Ricken, V. Quiring, C. Eigner, L. Ebers, M. Hammer, J. Förstner, C. Silberhorn, R.P. Mirin, S. Woo Nam, T. Bartley, Journal of Physics: Photonics 3 (2021) 034022.
LibreCat: /record/23728
DOI: 10.1088/2515-7647/ac105b

Cryogenic Second-Harmonic Generation in Periodically Poled Lithium Niobate Waveguides
M. Bartnick, M. Santandrea, J.P. Höpker, F. Thiele, R. Ricken, V. Quiring, C. Eigner, H. Herrmann, C. Silberhorn, T. Bartley, Physical Review Applied (2021).
LibreCat: /record/26221
DOI: 10.1103/physrevapplied.15.024028

Production of waveguides made of materials from the KTP family
L. Padberg, C. Eigner, M. Santandrea, C. Silberhorn, (2021).
LibreCat: /record/38135

Improved non-linear devices for quantum applications
J. Gil López, M. Santandrea, G. Roland, B. Brecht, C. Eigner, R. Ricken, V. Quiring, C. Silberhorn, New Journal of Physics (2021).
LibreCat: /record/22770
DOI: 10.1088/1367-2630/ac09fd

Non-Invasive Visualization of Ferroelectric Domain Structures on the Non-Polar y-Surface of KTiOPO4 via Raman Imaging
J. Brockmeier, P.W.M. Mackwitz, M. Rüsing, C. Eigner, L. Padberg, M. Santandrea, C. Silberhorn, A. Zrenner, G. Berth, Crystals (2021).
LibreCat: /record/23826
DOI: 10.3390/cryst11091086

Pulse shaping using dispersion-engineered difference frequency generation
M. Allgaier, V. Ansari, J.M. Donohue, C. Eigner, V. Quiring, R. Ricken, B. Brecht, C. Silberhorn, Physical Review A 101 (2020).
LibreCat: /record/21022
DOI: 10.1103/physreva.101.043819

Waveguide resonator with an integrated phase modulator for second harmonic generation
M. Stefszky, M. Santandrea, F. vom Bruch, S. Krapick, C. Eigner, R. Ricken, V. Quiring, H. Herrmann, C. Silberhorn, Optics Express (2020).
LibreCat: /record/22771
DOI: 10.1364/oe.412824