activity
20242026
collaborators

12 papers

physics.optics2026

Cryogenic nonlinear processes in thin-film lithium niobate

Tristan Kuttner, Ulrich Sauter, Robert J. Chapman +6

Photonic integrated circuits operating at cryogenic temperatures are necessary for many quantum technologies such as quantum transduction, integrated single-photon emitters and det…

physics.optics2026

Integrated tunable mid-infrared electro-optic frequency comb generator based on nonlinear conversion

Pierre Didier, Prakhar Jain, Tristan Kuttner +2

Mid-infrared frequency combs enable highly selective and sensitive molecular spectroscopy by leveraging the strong vibrational transitions in this spectral region. Among these, the…

cs.LG2026

Integrated electro-optic attention nonlinearities for transformers

Luis Mickeler, Kai Lion, Alfonso Nardi +5

Transformers have emerged as the dominant neural-network architecture, achieving state-of-the-art performance in language processing and computer vision. At the core of these model…

physics.optics2026

Electro-optical modulation of light polarization in a nonlocal lithium niobate metasurface

Agostino Di Francescantonio, Alessandra Sabatti, Eleni Prountzou +6

We report the experimental realization of a LiNbO3 metasurface for electro-optic modulation of light polarization in the telecommunication band. High-Q quasi-bound states in the co…

physics.optics2026

Solution-derived barium titanate waveguides for integrated electro-optic modulation

Virginia Falcone, Eleni Prountzou, Jost Kellner +2

Metal oxides with strong nonlinear optical properties and wide transparency window are key materials for the development of compact and efficient photonic integrated circuits used…

cond-mat.supr-con2025

High-temperature growth of ultra thin NbTiN films on lithium niobate for integrated single photon detection

Sjoerd Telkamp, Odiel Hooybergs, Myriam Rihani +9

Lithium niobate-on-insulator (LNOI) is an emerging photonic platform with high potential for scalable quantum information processing due to its strong second-order nonlinearity. Ho…