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145 Publications
2025 | Journal Article | LibreCat-ID: 59069
Kießler, Christian, et al. “SPDC Single-Photon Source in Ti-Indiffused Diced Ridge LiNbO3 Waveguides.” Optics Continuum, vol. 4, no. 3, 593, Optica Publishing Group, 2025, doi:10.1364/optcon.557439.
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2025 | Journal Article | LibreCat-ID: 59276
Pionteck, Mike N., et al. “Second-Order Nonlinear Piezo-Optic Properties of Single Crystal Lithium Niobate Thin Films.” Physical Review B, vol. 111, no. 6, 064109, American Physical Society (APS), 2025, doi:10.1103/physrevb.111.064109.
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2024 | Journal Article | LibreCat-ID: 51156 |

Zahn, Manuel, et al. “Equivalent-Circuit Model That Quantitatively Describes Domain-Wall Conductivity in Ferroelectric Lithium .” Physical Review Applied, vol. 21, no. 2, 024007, American Physical Society (APS), 2024, doi:10.1103/physrevapplied.21.024007.
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2024 | Journal Article | LibreCat-ID: 51339
Babai-Hemati, Jonas, et al. “Tailored Second Harmonic Generation InTi-Diffused PPLN Waveguides Usingmicro-Heaters.” Optics Express, Optica Publishing Group, 2024, doi:10.1364/oe.510319.
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2024 | Journal Article | LibreCat-ID: 54288
De, Syamsundar, et al. “Realization of High-Fidelity Unitary Operations on up to 64 Frequency Bins.” Physical Review Research, vol. 6, no. 2, L022040, American Physical Society (APS), 2024, doi:10.1103/physrevresearch.6.l022040.
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2024 | Journal Article | LibreCat-ID: 54544
Roeder, Franz, et al. “Measurement of Ultrashort Biphoton Correlation Times with an Integrated Two-Color Broadband SU(1,1)-Interferometer.” PRX Quantum, vol. 5, no. 2, 020350, American Physical Society (APS), 2024, doi:10.1103/prxquantum.5.020350.
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2024 | Journal Article | LibreCat-ID: 54815
Pollmann, René, et al. “Integrated, Bright Broadband, Two-Colour Parametric down-Conversion Source.” Optics Express, vol. 32, no. 14, 23945, Optica Publishing Group, 2024, doi:10.1364/oe.522549.
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2024 | Journal Article | LibreCat-ID: 54812
Weinbrenner, Lisa T., et al. “Certifying the Topology of Quantum Networks: Theory and Experiment.” Physical Review Letters, vol. 132, no. 24, 240802, American Physical Society (APS), 2024, doi:10.1103/physrevlett.132.240802.
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2024 | Journal Article | LibreCat-ID: 54668 |

Hammer, Manfred, et al. “Estimation of Losses Caused by Sidewall Roughness in Thin-Film Lithium Niobate Rib and Strip Waveguides.” Optics Express, vol. 32, no. 13, Optica Publishing Group, 2024, p. 22878, doi:10.1364/oe.521766.
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2024 | Journal Article | LibreCat-ID: 56267
Serino, Laura, et al. “Orchestrating Time and Color: A Programmable Source of High-Dimensional Entanglement.” Optica Quantum, Optica Publishing Group, 2024, doi:10.1364/opticaq.532334.
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2024 | Journal Article | LibreCat-ID: 57028
Bollmers, Laura, et al. “Surface-near Domain Engineering in Multi-Domain x-Cut Lithium Niobate Tantalate Mixed Crystals.” Applied Physics Letters, vol. 125, no. 15, AIP Publishing, 2024, doi:10.1063/5.0210972.
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2024 | Journal Article | LibreCat-ID: 57862
Roeder, Franz, et al. “Ultra-Broadband Non-Degenerate Guided-Wave Bi-Photon Source in the near and Mid-Infrared.” New Journal of Physics, vol. 26, no. 12, 123025, IOP Publishing, 2024, doi:10.1088/1367-2630/ad9f98.
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2024 | Journal Article | LibreCat-ID: 59269 |

Kirbus, Benjamin, et al. “Probing Ferroelectric Phase Transitions in Barium Titanate Single Crystals via In-Situ Second Harmonic Generation Microscopy.” Journal of Applied Physics, vol. 136, no. 15, 154102, AIP Publishing, 2024, doi:10.1063/5.0237769.
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2024 | Journal Article | LibreCat-ID: 59271 |

Bernhardt, Felix, et al. “Lattice Dynamics of LiNb(1–x)Ta(x)O3 Solid Solutions: Theory and Experiment.” Physica Status Solidi (a), vol. 222, no. 1, Wiley, 2024, p. 2300968, doi:10.1002/pssa.202300968.
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2024 | Journal Article | LibreCat-ID: 59270
Bashir, Umar, et al. “Thermal Conductivity in Solid Solutions of Lithium Niobate Tantalate Single Crystals from 300 K up to 1300 K.” Journal of Alloys and Compounds, vol. 1008, 176549, Elsevier BV, 2024, doi:10.1016/j.jallcom.2024.176549.
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2024 | Journal Article | LibreCat-ID: 59272
Verhoff, Leonard M., et al. “Two-Dimensional Electronic Conductivity in Insulating Ferroelectrics: Peculiar Properties of Domain Walls.” Physical Review Research, vol. 6, no. 4, L042015, American Physical Society (APS), 2024, doi:10.1103/physrevresearch.6.l042015.
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2024 | Journal Article | LibreCat-ID: 59273 |

Ratzenberger, Julius, et al. “Toward the Reproducible Fabrication of Conductive Ferroelectric Domain Walls into Lithium Niobate Bulk Single Crystals.” Journal of Applied Physics, vol. 136, no. 10, AIP Publishing, 2024, p. 104302, doi:10.1063/5.0219300.
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2024 | Journal Article | LibreCat-ID: 59274
Lee, Cherrie S. J., et al. “Impact of Ion Exchange on Vibrational Modes in Rb-Doped KTiOPO4: A Raman Spectroscopy Study on the Interplay between Ion Exchange and Polarization Switching.” Physical Review B, vol. 110, no. 21, 214115, American Physical Society (APS), 2024, doi:10.1103/physrevb.110.214115.
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2024 | Journal Article | LibreCat-ID: 59275
Usachov, D. Yu., et al. “Unveiling Electron‐Phonon and Electron‐Magnon Interactions in the Weak Itinerant Ferromagnet LaCo2P2.” Advanced Physics Research, Wiley, 2024, doi:10.1002/apxr.202400137.
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2024 | Journal Article | LibreCat-ID: 54966 |

Roeper, Matthias, et al. “Depth Resolution in Piezoresponse Force Microscopy.” Journal of Applied Physics, vol. 135, no. 22, AIP Publishing, 2024, doi:10.1063/5.0206784.
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