activity
20232026
most citedLow threshold integrated optical parametric oscillator with a compact Bragg resonator

20 citations · 57 across the 14 of their papers we have counts for

collaborators

16 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

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…

physics.optics2025

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…

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…

physics.optics2025

Nanodomain poling unlocking backward nonlinear light generation in thin film lithium niobate

Alessandra Sabatti, Jost Kellner, Robert J. Chapman +1

Nonlinear frequency conversion offers powerful capabilities for applications in telecommunications, signal processing, and computing. Thin-film lithium niobate (TFLN) has emerged a…

quant-ph2025

Scalable quantum interference in integrated lithium niobate nanophotonics

Tristan Kuttner, Alessandra Sabatti, Jost Kellner +2

Photonics has emerged as one of the leading platforms for the implementation of real-world-applicable quantum technologies, enabling secure communication, enhanced sensing capabili…

quant-ph2025★ 3 cited

Counter-propagating spontaneous parametric down-conversion source in lithium niobate on insulator

Jost Kellner, Alessandra Sabatti, Tristan Kuttner +2

Quantum photonic technologies rely on the ability to generate, manipulate, and interfere indistinguishable single photons on a scalable platform. Among the various approaches, spon…

physics.optics2025★ 4 cited

Integrated thin film lithium niobate mid-infrared modulator

Pierre Didier, Prakhar Jain, Mathieu Bertrand +7

The mid-infrared spectral range holds great promise for applications such as molecular spectroscopy and telecommunications. Many key molecules exhibit strong absorption features in…

physics.optics2025★ 20 cited

Low threshold integrated optical parametric oscillator with a compact Bragg resonator

Jost Kellner, Alessandra Sabatti, Andreas Meader +1

Optical parametric oscillators (OPOs) have been studied as basic components for optical computing with phase encoding and Ising machines. Integrated photonics offers a scalable sol…

physics.optics2024

Efficient GHz electro-optical modulation with a nonlocal lithium niobate metasurface in the linear and nonlinear regime

Agostino Di Francescantonio, Alessandra Sabatti, Helena Weigand +8

Electro-optical modulation is widely employed for optical signal processing and in laser technology. To date, it is efficiently realized in integrated photonic systems as well as i…

quant-ph2024

Time-bin entangled Bell state generation and tomography on thin-film lithium niobate

Giovanni Finco, Filippo Miserocchi, Andreas Maeder +4

Optical quantum communication technologies are making the prospect of unconditionally secure and efficient information transfer a reality. The possibility of generating and reliabl…

physics.optics2024★ 17 cited

Extremely high extinction ratio electro-optic modulator via frequency upconversion to visible wavelengths

Alessandra Sabatti, Jost Kellner, Fabian Kaufmann +5

Intensity modulators are fundamental components for integrated photonics. From near infrared to visible spectral ranges, they find applications in optical communication and quantum…

quant-ph2024★ 13 cited

On-chip quantum interference between independent lithium niobate-on-insulator photon-pair sources

Robert J. Chapman, Tristan Kuttner, Jost Kellner +5

Generating and interfering non-classical states of light is fundamental to optical quantum information science and technology. Quantum photonic integrated circuits provide one path…

physics.optics2023

Large-Scale Bottom-Up Fabricated 3D Nonlinear Photonic Crystals

Viola Valentina Vogler-Neuling, Ülle-Linda Talts, Rebecca Ferraro +9

Nonlinear optical effects are used to generate coherent light at wavelengths difficult to reach with lasers. Materials periodically poled or nanostructured in the nonlinear suscept…