activity
20182025
most citedPhoto-acoustic dual-frequency comb spectroscopy

66 citations · 389 across the 12 of their papers we have counts for

collaborators

12 papers

physics.optics2025

Mid-infrared continua via spectral broadening and difference frequency generation in a nanophotonic lithium niobate waveguide

Markus Ludwig, Furkan Ayhan, Thibault Voumard +5

Periodically poled thin film lithium niobate waveguides provide simultaneous access to efficient second and third order nonlinear processes, enabling broadband generation of cohere…

physics.optics2025★ 1 cited

Spectral dynamics in broadband frequency combs with overlapping harmonics

Weichen Fan, Furkan Ayhan, Thibault Wildi +8

Optical frequency combs and their spectra of evenly spaced discrete laser lines are essential to modern time and frequency metrology. Recent advances in integrated photonic wavegui…

physics.optics2024★ 32 cited

Phase-stabilised self-injection-locked microcomb

Thibault Wildi, Alexander E. Ulanov, Thibault Voumard +2

Microresonator frequency combs (microcombs) hold great potential for precision metrology within a compact form factor, impacting a wide range of applications such as point-of-care…

physics.optics2023★ 36 cited

Femtosecond pulse amplification on a chip

Mahmoud A. Gaafar, Markus Ludwig, Kai Wang +13

Femtosecond laser pulses enable the synthesis of light across the electromagnetic spectrum and provide access to ultrafast phenomena in physics, biology, and chemistry. Chip-integr…

physics.optics2023★ 44 cited

Sideband Injection Locking in Microresonator Frequency Combs

Thibault Wildi, Alexander Ulanov, Nicolas Englebert +2

Frequency combs from continuous-wave-driven Kerr-nonlinear microresonators have evolved into a key photonic technology with applications from optical communication to precision spe…

physics.optics2023★ 31 cited

Ultraviolet astronomical spectrograph calibration with laser frequency combs from nanophotonic lithium niobate waveguides

Markus Ludwig, Furkan Ayhan, Tobias M. Schmidt +21

Astronomical precision spectroscopy underpins searches for life beyond Earth, direct observation of the expanding Universe and constraining the potential variability of physical co…

physics.optics2022★ 55 cited

Soliton Pulses in Photonic Crystal Fabry-Perot Microresonators

Thibault Wildi, Mahmoud A. Gaafar, Thibault Voumard +2

Dissipative Kerr solitons (DKSs) in high-Q microresonators enable applications in sensing, communication, and signal processing. Until now, DKSs driven by continuous-wave (CW) lase…

physics.optics2021★ 41 cited

Dual-comb cavity ring-down spectroscopy

D. Lisak, D. Charczun, A. Nishiyama +10

Cavity ring-down spectroscopy is a ubiquitous optical method used to study light-matter interactions with high resolution, sensitivity and accuracy. However, it has never been perf…

physics.optics2020★ 29 cited

Dual-Comb Real-Time Molecular Fingerprint Imaging

T. Voumard, T. Wildi, V. Brasch +3

Hyperspectral imaging provides spatially resolved spectral information. Utilising dual frequency combs as active illumination sources, hyperspectral imaging with ultra-high spectra…

physics.optics2020★ 66 cited

Photo-acoustic dual-frequency comb spectroscopy

Thibault Wildi, Thibault Voumard, Victor Brasch +2

Photo-acoustic spectroscopy (PAS) is one of the most sensitive non-destructive analysis techniques for gases, fluids and solids. It can operate background-free at any wavelength an…

physics.optics2019★ 33 cited

Visible blue-to-red 10 GHz frequency comb via on-chip triple-sum frequency generation

Ewelina Obrzud, Victor Brasch, Thibault Voumard +6

A broadband visible blue-to-red, 10 GHz repetition rate frequency comb is generated by combined spectral broadening and triple-sum frequency generation in an on-chip silicon nitrid…

hep-th2018★ 21 cited

Hidden and explicit quantum scale invariance

Sander Mooij, Mikhail Shaposhnikov, Thibault Voumard

There exist renormalisation schemes that explicitly preserve the scale invariance of a theory at the quantum level. Imposing a scale invariant renormalisation breaks renormalisabil…