Widely non-degenerate nonlinear frequency conversion in cryogenic titanium in-diffused lithium niobate waveguides
N.A. Lange, S. Lengeling, P. Mues, V. Quiring, W. Ridder, C. Eigner, H. Herrmann, C. Silberhorn, T. Bartley, Optics Express 33 (2025).

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).