Cryogenic feedforward of a photonic quantum state
F. Thiele, N. Lamberty, T. Hummel, N.A. Lange, L.M. Procopio Peña, A. Barua, S. Lengeling, V. Quiring, C. Eigner, C. Silberhorn, T. Bartley, Optica 12 (2025).

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).

Degenerate photons from a cryogenic spontaneous parametric down-conversion source
N.A. Lange, T. Schapeler, J.P. Höpker, M. Protte, T. Bartley, Physical Review A 108 (2023).

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).