Publications related to Free-electron interaction with nonlinear optical states in microresonators

Related publications (18)

An ultra-broadband photonic-chip-based parametric amplifier

Tobias Kippenberg, Johann Emmeram Riemensberger, Mikhail Churaev, Nikolai Kuznetsov, Alisa Davydova, Alberto Nardi

Optical amplification, crucial for modern communication, primarily relies on erbium-doped fibre amplifiers (EDFAs)1,2. Yet, EDFAs only cover a portion of the low-loss spectrum of optical fibres. This has motivated the development of amplifiers operating be ...

NATURE PORTFOLIO2025

Power Control in Non-Hermitian Lattices Through Singular Value Decomposition

Demetri Psaltis

Periodic structures in optics, like gratings or photonic crystals have played a pivotal role in both basic and applied research applications over the decades [1]. As far as, integrated photonics is concerned, another highly relevant optical structure, that ...

IEEE2025

Resource-efficient photonic networks for next-generation AI computing

Demetri Psaltis, Christophe Moser, Niyazi Ulas Dinç, Ilker Oguz, Mustafa Yildirim, Jih-Liang Hsieh

Current trends in artificial intelligence toward larger models demand a rethinking of both hardware and algorithms. Photonics-based systems offer high-speed, energy-efficient computing units, provided algorithms are designed to exploit photonics' unique st ...

SPRINGERNATURE2025

Micro- and nanofabrication techniques for single crystal diamond photonics

Christophe Marcel Georges Galland

Synthetically grown high-quality single crystal diamond is an excellent base material for quantum photonics. Planar single crystal diamond substrates several square millimeters in size are nowadays commercially available. They can be precisely structured u ...

Elsevier2025

Floquet topological physics in photonics

Romain Christophe Rémy Fleury, Haoye Qin, Zhe Zhang

Floquet topological physics, an area exploring periodically driven systems and leveraging degrees of freedom in the temporal dimension, has opened new avenues in photonics by enabling the creation of novel topological phases, new control mechanisms, and in ...

Optica Publishing Group2025

Measurement of the Higgs Boson Mass and Width Using the Four-lepton Final State in Proton-proton Collisions at √s=13 Tev

Jan Steggemann, Konstantin Androsov, Anna Mascellani, Joanna Malgorzata Wanczyk

A measurement of the Higgs boson mass and width via its decay to two Z bosons is presented. Proton-proton collision data collected by the CMS experiment, corresponding to an integrated luminosity of 138 fb(-1) at a center-of-mass energy of 13 TeV, is used. ...

AMER PHYSICAL SOC2025

Reversible Laser Imprinting of Phase Change Photonic Structures in Integrated Waveguides

Ivan Sinev

Formation of laser-induced periodic surface structures (LIPSS) is known as a fast and robust method of functionalization of material surfaces. Of particular interest are LIPSS that manifest as periodic modulation of phase state of the material, as it impli ...

2024

Wide-Field Polarimetric Second-Harmonic Imaging for Rapid and Nondestructive Investigation of Laser-Induced Crystallization Phenomena

Yves Bellouard, Seonwoo Lee

The selective and controlled formation of nanocrystals in glass is emerging as a versatile method to achieve functional photonics, optoelectronics, and quantum devices, such as single-photon emitters. Here, we investigate the use of wide-field polarimetric ...

American Chemical Society (ACS)2024

Ultrafast Tunable Photonic Integrated E-DBR Pockels Laser

Tobias Kippenberg, Johann Emmeram Riemensberger, Anat Siddharth, Zheru Qiu, Simone Bianconi

The hybrid integration of III-V gain media with low-loss photonic integrated circuits has advanced the performance of laser systems in terms of laser stability and coherence. The advent of lithium niobate on insulator (LNOI) photonics for self-injection lo ...

Springer Science and Business Media Deutschland GmbH2024

Broadband and high-gain continuous-wave parametric amplification in a Gallium Phosphide waveguide

Tobias Kippenberg, Johann Emmeram Riemensberger, Mikhail Churaev, Nikolai Kuznetsov, Alisa Davydova, Alberto Nardi

We demonstrate the first broadband and high gain third-order parametric optical amplifier in a 5.5 cm long GaP waveguide spiral with up to 25 dB net gain off-chip and more than 10 dB amplification over a bandwidth of 140 nm. ...

Institute of Electrical and Electronics Engineers Inc.2024

Stabilization versus competing de-metalation, trans-metalation and (cyclo)-dehydrogenation of Pd porphyrins at a copper surface

Francesco Armillotta

Metal-porphyrins are studied intensively due their potential applications, deriving from the variety of electronic and chemical properties, tunable by selecting metal centers and functional groups. Metalation, de- and trans-metalation processes are fundame ...

Royal Soc Chemistry2024

Studying electronic band structure in electric field-tunable multilayer graphene systems

Jin Jiang

Magic-angle twisted bilayer graphene (MATBG) harbors various exotic physical phenomena such as strongly correlated topological states, superconductivity, ferromagnetism etc. The flexibility of tuning the twist angle between the layers enhances the electron ...

EPFL2024

Utilizing parametric instabilities to diagnose edge density fluctuations in TCV

Stefano Coda, Umesh Kumar

Two-plasmon decay instabilities (TPDIs) are a class of parametric instabilities where a gyrotron beam, polarized in X-mode, decays nonlinearly into two upper hybrid waves at approximately half frequency. Here, we present the design of a simple radiometer t ...

2024

Element-specific X-Ray detection of electron paramagnetic resonance in thin films of quantum bits

Harald Brune, Giovanni Boero, Stefano Rusponi

Element-specific magnetism accessible by synchrotron-based X-ray spectroscopy has proven to be valuable to study spin and orbital moments of transition metals and lanthanides in technologically relevant thin-film and monolayer samples. The access to cohere ...

Nature Research2024

Review: III-V infrared emitters on Si: fabrication concepts, device architectures and down-scaling with a focus on template-assisted selective epitaxy

Kirsten Emilie Moselund

The local integration of III-Vs on Si is relevant for a wide range of applications in electronics and photonics, since it combines a mature and established materials platform with desired physical properties such as a direct and tuneable bandgap and high m ...

IOP Publishing Ltd2023

Towards efficient broadband parametric conversion in ultra-long Si3N4 waveguides

Tobias Kippenberg, Camille Sophie Brès, Junqiu Liu, Arman Ayan

Broadband continuous-wave parametric gain and efficient wavelength conversion is an important functionality to bring on-chip. Recently, meter-long silicon nitride waveguides have been utilized to obtain continuous-traveling-wave parametric gain, establishi ...

Optica Publishing Group2023

Measurement of Dispersion Characteristics of Integrated Optical Microresonators and Generation of Coherent Optical Frequency Combs

Andrey Voloshin

Optical frequency combs are a unique tool for fundamental metrology, spectroscopy, and a broad spectrum of applications. High-Q microresonators serve as a promising platform for the generation of coherent frequency combs. The key characteristics that deter ...

2022

Structural and molecular determinants for the interaction of ExbB from Serratia marcescens and HasB, a TonB paralog

Henning Paul-Julius Stahlberg

2022