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

Lange NA, Schapeler T, Höpker JP, Protte M, Bartley T. Degenerate photons from a cryogenic spontaneous parametric down-conversion source. Physical Review A. 2023;108(2). doi:10.1103/physreva.108.023701

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