SPDC single-photon source in Ti-indiffused diced ridge LiNbO<sub>3</sub> waveguides
C. Kießler, M. Kirsch, S. Lengeling, H. Herrmann, C. Silberhorn, Optics Continuum 4 (2025).

Second-order nonlinear piezo-optic properties of single crystal lithium niobate thin films
M.N. Pionteck, M. Roeper, B. Koppitz, S.D. Seddon, M. Rüsing, L. Padberg, C. Eigner, C. Silberhorn, S. Sanna, L.M. Eng, Physical Review B 111 (2025).

Mg dopants in lithium niobate (<mml:math xmlns:mml="http://www..org/1998/Math/MathML"><mml:msub><mml:mi>LiNbO</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math>, LN): Defect models and impact on domain inversion
A. Bocchini, M. Rüsing, L. Bollmers, S. Lengeling, P. Mues, L. Padberg, U. Gerstmann, C. Silberhorn, C. Eigner, W.G. Schmidt, Physical Review Materials 9 (2025).

Equivalent-circuit model that quantitatively describes domain-wall conductivity in ferroelectric lithium 
M. Zahn, E. Beyreuther, I. Kiseleva, A.S. Lotfy, C.J. McCluskey, J.R. Maguire, A. Suna, M. Rüsing, J.M. Gregg, L.M. Eng, Physical Review Applied 21 (2024).

Tailored second harmonic generation inTi-diffused PPLN waveguides usingmicro-heaters
J. Babai-Hemati, F. vom Bruch, H. Herrmann, C. Silberhorn, Optics Express (2024).

Realization of high-fidelity unitary operations on up to 64 frequency bins
S. De, V. Ansari, J. Sperling, S. Barkhofen, B. Brecht, C. Silberhorn, Physical Review Research 6 (2024).

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).

Integrated, bright broadband, two-colour parametric down-conversion source
R. Pollmann, F. Roeder, V. Quiring, R. Ricken, C. Eigner, B. Brecht, C. Silberhorn, Optics Express 32 (2024).

Certifying the Topology of Quantum Networks: Theory and Experiment
L.T. Weinbrenner, N. Prasannan, K. Hansenne, S. Denker, J. Sperling, B. Brecht, C. Silberhorn, O. Gühne, Physical Review Letters 132 (2024).

Estimation of losses caused by sidewall roughness in thin-film lithium niobate rib and strip waveguides
M. Hammer, S. Babel, H. Farheen, L. Padberg, J.C. Scheytt, C. Silberhorn, J. Förstner, Optics Express 32 (2024) 22878.

Orchestrating time and color: a programmable source of high-dimensional entanglement
L. Serino, W. Ridder, A. Bhattacharjee, J. Gil López, B. Brecht, C. Silberhorn, Optica Quantum (2024).

Comparing transmission- and epi-BCARS: a round robin on solid-state materials
F. Hempel, F. Vernuccio, L. König, R. Buschbeck, M. Rüsing, G. Cerullo, D. Polli, L.M. Eng, Applied Optics 63 (2024).

Surface-near domain engineering in multi-domain x-cut lithium niobate tantalate mixed crystals
L. Bollmers, T. Babai-Hemati, B. Koppitz, C. Eigner, L. Padberg, M. Rüsing, L.M. Eng, C. Silberhorn, Applied Physics Letters 125 (2024).

Ultra-broadband non-degenerate guided-wave bi-photon source in the near and mid-infrared
F. Roeder, A. Gnanavel, R. Pollmann, O. Brecht, M. Stefszky, L. Padberg, C. Eigner, C. Silberhorn, B. Brecht, New Journal of Physics 26 (2024).

Probing ferroelectric phase transitions in barium titanate single crystals via in-situ second harmonic generation microscopy
B. Kirbus, S.D. Seddon, I. Kiseleva, E. Beyreuther, M. Rüsing, L.M. Eng, Journal of Applied Physics 136 (2024).

Lattice Dynamics of LiNb(1–x)Ta(x)O3 Solid Solutions: Theory and Experiment
F. Bernhardt, S. Gharat, A. Kapp, F. Pfeiffer, R. Buschbeck, F. Hempel, O. Pashkin, S.C. Kehr, M. Rüsing, S. Sanna, L.M. Eng, Physica Status Solidi (a) 222 (2024) 2300968.

Thermal conductivity in solid solutions of lithium niobate tantalate single crystals from 300fK up to 1300fK
U. Bashir, M. Rüsing, D. Klimm, R. Blukis, B. Koppitz, L.M. Eng, M. Bickermann, S. Ganschow, Journal of Alloys and Compounds 1008 (2024).

Two-dimensional electronic conductivity in insulating ferroelectrics: Peculiar properties of domain walls
L.M. Verhoff, M.N. Pionteck, M. Rüsing, H. Fritze, L.M. Eng, S. Sanna, Physical Review Research 6 (2024).

Toward the reproducible fabrication of conductive ferroelectric domain walls into lithium niobate bulk single crystals
J. Ratzenberger, I. Kiseleva, B. Koppitz, E. Beyreuther, M. Zahn, J. Gössel, P.A. Hegarty, Z.H. Amber, M. Rüsing, L.M. Eng, Journal of Applied Physics 136 (2024) 104302.

Impact of ion exchange on vibrational modes in Rb-doped KTiOPO4: A Raman spectroscopy study on the interplay between ion exchange and polarization switching
C.S.J. Lee, C. Canalias, R. Buschbeck, B. Koppitz, F. Hempel, Z. Amber, L.M. Eng, M. Rüsing, Physical Review B 110 (2024).