135 citations · 1.3k across the 35 of their papers we have counts for
26 papers · 1 filter
Retiming dynamics of harmonically modelocked laser solitons in a self-driven optomechanical lattice
Xiaocong Wang, Benhai Wang, Wenbin He +6
Harmonic mode-locking, realized actively or passively, is an effective technique for increasing the repetition rate of lasers, with important applications in optical sampling, lase…
Optomagnetic forces on YIG/YFeO3 microspheres levitated in chiral hollow-core photonic crystal fibre
Soumya Chakraborty, Gordon K. L. Wong, Ferdi Oda +9
We explore a magnetooptomechanical system consisting of a single magnetic microparticle optically levitated within the core of a helically twisted single-ring hollow-core photonic…
High-brightness seven-octave carrier envelope phase-stable light source
Ugaitz Elu, Luke Maidment, Lenard Vamos +8
High-brightness sources of coherent and few-cycle-duration light waveforms with spectral coverage from the UV to the THz would offer unprecedented versatility and opportunities for…
Dominance of backward stimulated Raman scattering in gas-filled hollow-core photonic crystal fibers
Manoj K. Mridha, David Novoa, Philip St. J. Russell
Backward stimulated Raman scattering in gases provides a promising route to compression and amplification of a Stokes seed-pulse by counter-propagating against a pump-pulse, as has…
Flying Particle Microlaser and Temperature Sensor in Hollow-Core Photonic Crystal Fiber
Richard Zeltner, Riccardo Pennetta, Shangran Xie +1
Whispering-gallery mode (WGM) resonators combine small optical mode volumes with narrow resonance linewidths, making them exciting platforms for a variety of applications. Here we…
Supramolecular transmission of soliton-encoded bit streams over astronomical distances
W. He, M. Pang, D. H. Yeh +3
A stream of optical pulses, transmitted over long distances in optical fiber, will be affected by a variety of noise sources, leading to degradation in the signal-to-noise ratio. T…
Continuously wavelength-tunable high harmonic generation via soliton dynamics
Francesco Tani, Michael H. Frosz, John C. Travers +1
We report generation of high harmonics in a gas-jet pumped by pulses self-compressed in a He-filled hollow-core photonic crystal fiber through the soliton effect. The gas-jet is pl…
PHz-wide spectral interference through coherent plasma-induced fission of higher-order solitons
F. Köttig, F. Tani, J. C. Travers +1
We identify a novel regime of soliton-plasma interactions in which high-intensity ultrashort pulses of intermediate soliton order undergo coherent plasma-induced fission. Experimen…
Broadband, Lensless and Optomechanically Stabilised Coupling into Microfluidic Hollow-Core Photonic Crystal Fiber Using Glass Nanospike
Richard Zeltner, Shangran Xie, Riccardo Pennetta +1
We report a novel technique for launching broadband laser light into liquid-filled hollow-core photonic crystal fiber (HC-PCF). It uniquely offers self-alignment and self-stabiliza…
Generation of a VUV-to-visible Raman frequency comb in hydrogen-filled kagomé photonic crystal fiber
M. K. Mridha, D. Novoa, S. T. Bauerschmidt +2
We report the generation of a purely vibrational Raman comb, extending from the vacuum ultraviolet (184 nm) to the visible (478 nm), in hydrogen-filled kagomé-style photonic crysta…
Generation of Spectral Clusters in a Mixture of Noble and Raman-Active Gases
Pooria Hosseini, Amir Abdolvand, Philip St. J. Russell
We report a novel scheme for the generation of dense clusters of Raman sidebands. The scheme uses a broadband-guiding hollow-core photonic crystal fiber (HC-PCF) filled with a mixt…
Broad-band robustly single-mode hollow-core PCF by resonant filtering of higher order modes
Mehmet C. Günendi, Patrick Uebel, Michael H. Frosz +1
We propose and theoretically analyse a novel hollow-core photonic crystal fibre (PCF) that is engineered so as to strongly suppress higher order modes, i.e., to provide robust LP$_…
Dramatic Raman Gain Suppression in the Vicinity of the Zero Dispersion Point in Gas-Filled Hollow-Core Photonic Crystal Fiber
Sebastian T. Bauerschmidt, David Novoa, Philip St. J. Russell
In 1964 Bloembergen and Shen predicted that Raman gain could be suppressed if the rates of phonon creation and annihilation (by inelastic scattering) exactly balance. This is only…
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…
Damage-free single-mode transmission of deep-UV light in hollow-core PCF
F. Gebert, M. H. Frosz, T. Weiss +5
Transmission of UV light with high beam quality and pointing stability is desirable for many experiments in atomic, molecular and optical physics. In particular, laser cooling and…
Nonlinear optics in Xe-filled hollow-core PCF in high pressure and supercritical regimes
M. Azhar, N. Y. Joly, J. C. Travers +1
Supercritical Xe at 293 K offers a Kerr nonlinearity that can exceed that of fused silica while being free of Raman scattering. It also has a much higher optical damage threshold a…
Ionization-induced asymmetric self-phase modulation and universal modulational instability in gas-filled hollow-core photonic crystal fibers
Mohammed F. Saleh, Wonkeun Chang, John C. Travers +2
We study theoretically the propagation of relatively long pulses with ionizing intensities in a hollow-core photonic crystal fiber filled with a Raman-inactive gas. Due to photoion…
Optomechanical self-channelling of light in a suspended planar dual-nanoweb waveguide
Anna Butsch, Claudio Conti, Fabio Biancalana +1
It is shown that optomechanical forces can cause nonlinear self-channelling of light in a planar dual-slab waveguide. A system of two parallel silica nanowebs, spaced ~100 nm and s…
Soliton blue-shift in tapered photonic crystal fiber
S. P. Stark, A. Podlipensky, P. St. J. Russell
We show that solitons undergo a strong blue shift in fibers with a dispersion landscape that varies along the direction of propagation. The experiments are based on a small-core ph…
Linearons: highly non-instantaneous solitons in liquid-core photonic crystal fibers
Claudio Conti, Markus Schmidt, Philip St. J. Russell +1
The nonlinear propagation of light pulses in liquid-filled photonic crystal fibers is considered. Due to the slow reorientational nonlinearity of some molecular liquids, the nonlin…
Birefringence and dispersion of cylindrically polarized modes in nanobore photonic crystal fiber
T. G. Euser, M. A. Schmidt, N. Y. Joly +10
We demonstrate experimentally and theoretically that a nanoscale hollow channel placed centrally in the solid glass core of a photonic crystal fiber strongly enhances the cylindric…
Nonlinear wavelength conversion in photonic crystal fibers with three zero dispersion points
S. P. Stark, F. Biancalana, A. Podlipensky +1
In this theoretical study, we show that a simple endlessly single-mode photonic crystal fiber can be designed to yield, not just two, but three zero-dispersion wavelengths. The pre…
Theory of Raman multipeak states in solid-core photonic crystal fibers
Truong X. Tran, Alexander Podlipenksy, Philip St. J. Russell +1
Pulse splitting is a crucial and common process in nonlinear fiber optics. When an intense laser pulse is launched into a highly nonlinear fiber, a stream of fundamental solitons i…
Expansion of Arbitrary Electromagnetic Fields in Terms of Vector Spherical Wave Functions
W. L. Moreira, A. A. R. Neves, M. K. Garbos +3
Since 1908, when Mie reported analytical expressions for the fields scattered by a spherical particle upon incidence of an electromagnetic plane-wave, generalizing his analysis to…