7 papers
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…
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…
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…
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…
Programmable Bell State Generation in an Integrated Thin Film Lithium Niobate Circuit
Andreas Maeder, Robert J. Chapman, Alessandra Sabatti +3
Entanglement is central to quantum technologies such as cryptography, sensing, and computing. Photon pairs generated via nonlinear optical processes are excellent for preparing ent…
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…