High-energy pulse self-compression and ultraviolet generation through soliton dynamics in hollow capillary fibres

JC Travers, TF Grigorova, C Brahms, F Belli - Nature Photonics, 2019 - nature.com
Optical soliton dynamics can cause extreme alteration of the temporal and spectral shape of
a propagating light pulse. This occurs at up to kilowatt peak powers in glass-core optical …

Seven-octave high-brightness and carrier-envelope-phase-stable light source

U Elu, L Maidment, L Vamos, F Tani, D Novoa… - Nature …, 2021 - nature.com
High-brightness sources of coherent and few-cycle-duration light waveforms with spectral
coverage from the ultraviolet to the terahertz would offer unprecedented versatility and …

[HTML][HTML] Deep-UV to mid-IR supercontinuum generation driven by mid-IR ultrashort pulses in a gas-filled hollow-core fiber

AI Adamu, MS Habib, CR Petersen, JEA Lopez… - Scientific reports, 2019 - nature.com
Supercontinuum (SC) generation based on ultrashort pulse compression constitutes one of
the most promising technologies towards ultra-wide bandwidth, high-brightness, and …

[HTML][HTML] Bright, high-repetition-rate water window soft X-ray source enabled by nonlinear pulse self-compression in an antiresonant hollow-core fibre

M Gebhardt, T Heuermann, R Klas, C Liu… - Light: Science & …, 2021 - nature.com
Bright, coherent soft X-ray radiation is essential to a variety of applications in fundamental
research and life sciences. To date, a high photon flux in this spectral region can only be …

The biochemical sensor based on liquid-core photonic crystal fiber filled with gold, silver and aluminum

Q Liu, Z Ma, Q Wu, W Wang - Optics & Laser Technology, 2020 - Elsevier
Abstract A highly sensitive SPR-PCF based biochemical sensor has been proposed based
on finite element method simulations. Two metal wires are assumed to fill into two air holes …

Efficient single-cycle pulse compression of an ytterbium fiber laser at 10 MHz repetition rate

F Köttig, D Schade, JR Koehler, PSJ Russell, F Tani - Optics Express, 2020 - opg.optica.org
Over the past years, ultrafast lasers with average powers in the 100 W range have become a
mature technology, with a multitude of applications in science and technology. Nonlinear …

[HTML][HTML] Non-destructive and distributed measurement of optical fiber diameter with nanometer resolution based on coherent forward stimulated Brillouin scattering

Z Hua, D Ba, D Zhou, Y Li, Y Wang, X Bao… - Light: Advanced …, 2021 - light-am.com
Precise control and measurement of the optical fiber diameter are vital for a range of fields,
such as ultra-high sensitivity sensing and high-speed optical communication. Nowadays, the …

Infrared attosecond field transients and UV to IR few-femtosecond pulses generated by high-energy soliton self-compression

C Brahms, F Belli, JC Travers - Physical Review Research, 2020 - APS
Infrared femtosecond laser pulses are important tools both in strong-field physics, driving x-
ray high-harmonic generation, and as the basis for widely tunable, if inefficient, ultrafast …

MIR-pump NIR-probe fiber-optic photothermal spectroscopy with background-free first harmonic detection

C Yao, S Gao, Y Wang, P Wang, W Jin… - IEEE Sensors …, 2020 - ieeexplore.ieee.org
We demonstrated MIR-pump NIR-probe photothermal spectroscopy with the first harmonic
(PTS-) detection of formaldehyde, one of the most common volatile organic compounds …

Resonant dispersive wave emission in hollow capillary fibers filled with pressure gradients

C Brahms, F Belli, JC Travers - Optics Letters, 2020 - opg.optica.org
Resonant dispersive wave (RDW) emission in gas-filled hollow waveguides is a powerful
technique for the generation of bright few-femtosecond laser pulses from the vacuum …