327 citations · 702 across the 18 of their papers we have counts for
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Supercontinuum generation in methane-filled hollow-core antiresonant fiber
Balazs Plosz, Athanasios Lekosiotis, Mohammad Sabbah +3
We report the generation of a multi-octave supercontinuum spanning from 350 nm to 1700 nm with exceptional spectral flatness and high conversion efficiency to both the visible and…
The effect of rotational Raman response on ultra-flat supercontinuum generation in gas-filled hollow-core photonic crystal fibers
Mohammed Sabbah, Federico Belli, Christian Brahms +1
We experimentally and numerically investigate flat supercontinuum generation in gas-filled anti-resonant guiding hollow-core photonic crystal fiber. By comparing results obtained w…
On-target delivery of intense ultrafast laser pulses through hollow-core anti-resonant fibers
Athanasios Lekosiotis, Federico Belli, Christian Brahms +5
We report the flexible on-target delivery of 800 nm wavelength, 5 GW peak power, 40 fs duration laser pulses through an evacuated and tightly coiled 10 m long hollow-core nested an…
Dispersion-tuning of nonlinear optical pulse dynamics in gas-filled hollow capillary fibers
Teodora Grigorova, Christian Brahms, Federico Belli +1
We experimentally investigate the nonlinear optical pulse dynamics of ultrashort laser pulses propagating in gas-filled hollow capillary fibers in different dispersion regimes, whi…
Generation and characterization of frequency tuneable sub-15 fs pulses in a gas-filled hollow-core fiber pumped by a Yb:KGW laser
Mohammed Sabbah, Federico Belli, Christian Brahms +3
We investigate soliton self-compression and photoionization effects in an argon-filled antiresonant hollow-core photonic crystal fiber pumped with a commercial Yb:KGW laser. Before…
Ultrafast circularly polarized pulses tunable from the vacuum to deep ultraviolet
Athanasios Lekosiotis, Christian Brahms, Federico Belli +2
We experimentally demonstrate the efficient generation of circularly polarized pulses tunable from the vacuum to deep ultraviolet (160-380 nm) through resonant dispersive wave emis…
From Raman frequency combs to supercontinuum generation in nitrogen-filled hollow-core anti-resonant fiber
Shou-Fei Gao, Ying-Ying Wang, Federico Belli +3
We demonstrate a route to supercontinuum generation in gas-filled hollow-core anti-resonant fibers through the creation of a broad vibrational Raman frequency comb followed by cont…
Generation of broadband circularly polarized deep-ultraviolet pulses in hollow capillary fibers
Athanasios Lekosiotis, Federico Belli, Christian Brahms +1
We demonstrate an efficient scheme for the generation of broadband, high-energy, circularly polarized femtosecond laser pulses in the deep ultraviolet through seeded degenerate fou…
Resonant dispersive wave emission in hollow capillary fibres filled with pressure gradients
Christian Brahms, Federico Belli, John C. Travers
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 ultraviole…
Infrared attosecond field transients and UV to IR few-femtosecond pulses generated by high-energy soliton self-compression
Christian Brahms, Federico Belli, John C. Travers
Infrared femtosecond laser pulses are important tools both in strong-field physics, driving X-ray high-harmonic generation, and as the basis for widely tuneable, if inefficient, ul…
Highly Efficient Deep UV Generation by Four-Wave Mixing in Gas-Filled Hollow Core Photonic Crystal Fiber
Federico Belli, Amir Abdolvand, John C. Travers +1
We report on a highly-efficient experimental scheme for the generation of deep-ultraviolet ultrashort light pulses using four-wave mixing in gas-filled kagomé-style photonic crysta…
High-energy ultraviolet dispersive-wave emission in compact hollow capillary systems
Christian Brahms, Teodora Grigorova, Federico Belli +1
We demonstrate high-energy resonant dispersive-wave emission in the deep ultraviolet (218 to 375 nm) from optical solitons in short (15 to 34cm) hollow capillary fibres. This down-…
High-energy pulse self-compression and ultraviolet generation through soliton dynamics in hollow capillary fibres
John C. Travers, Teodora F. Grigorova, Christian Brahms +1
Optical soliton dynamics can cause the extreme alteration of the temporal and spectral shape of a propagating light pulse. They occur at up to kilowatt peak powers in glass-core op…
Control of ultrafast pulses in hydrogen-filled hollow-core photonic crystal fiber by Raman coherence
Federico Belli, Amir Abdolvand, John C. Travers +1
We present the results of an experimental and numerical investigation into temporally non-local coherent interactions between ultrashort pulses, mediated by Raman coherence, in gas…
Angle-resolved photoemission spectroscopy with 9-eV photon-energy pulses generated in a gas-filled hollow-core photonic crystal fiber
H. Bromberger, A. Ermolov, F. Belli +10
A recently developed source of ultraviolet radiation, based on optical soliton propagation in a gas-filled hollow-core photonic crystal fiber, is applied here to angle-resolved pho…
Vacuum-UV to IR supercontinuum in hydrogen-filled photonic crystal fiber
Federico Belli, Amir Abdolvand, Wonkeun Chang +2
Although supercontinuum sources are readily available for the visible and near infrared, and recently also for the mid-IR, many areas of biology, chemistry and physics would benefi…
Temporal condensed matter physics in gas-filled photonic crystal fibers
Mohammed F. Saleh, Andrea Armaroli, Truong X. Tran +4
Raman effect in gases can generate an extremely long-living wave of coherence that can lead to the establishment of an almost perfect periodic variation of the medium refractive in…