Sources

Dramatic Raman Gain Suppression in the Vicinity of the Zero Dispersion Point in a Gas-Filled Hollow-Core Photonic Crystal Fiber
In 1964 Bloembergen and Shen predicted that Raman gain could be suppressed if the rates of phonon creation and annihilation (by …
DOI arXiv
Photoionization-Induced Emission of Tunable Few-Cycle Midinfrared Dispersive Waves in Gas-Filled Hollow-Core Photonic Crystal Fibers
We propose a scheme for the emission of few-cycle dispersive waves in the midinfrared using hollow-core photonic crystal fibers filled …
DOI arXiv
Broadband-tunable LP01 mode frequency shifting by Raman coherence waves in a H2-filled hollow-core photonic crystal fiber
When a laser pump beam of sufficient intensity is incident on a Raman-active medium such as hydrogen gas, a strong Stokes signal, …
DOI arXiv
Modulational instability windows in the nonlinear Schrödinger equation involving higher-order Kerr responses
We introduce a complete analytical and numerical study of the modulational instability process in a system governed by a canonical …
DOI arXiv
Self-induced mode mixing of ultraintense lasers in vacuum
We study the effects of the quantum vacuum on the propagation of a Gaussian laser beam in vacuum. By means of a double perturbative …
DOI arXiv
Supercontinuum up-conversion via molecular modulation in gas-filled hollow-core PCF
We report on the efficient, tunable, and selective frequency up-conversion of a supercontinuum spectrum via molecular modulation in a …
DOI
Selective excitation of higher order modes in hollow-core PCF via prism-coupling
Prism-coupling through the microstructured cladding is used to selectively excite individual higher order modes in hollow-core photonic …
DOI
Multistability and spontaneous breaking in pulse-shape symmetry in fiber ring cavities
We describe the spatio-temporal evolution of ultrashort pulses propagating in a fiber ring cavity using an extension of the …
DOI
Optimized photonic gauge of extreme high vacuum with Petawatt lasers
One of the latest proposed applications of ultra-intense laser pulses is their possible use to gauge extreme high vacuum by measuring …
DOI arXiv
The key role of off-axis singularities in free-space vortex transmutation
We experimentally demonstrate the generation of off-axis phase singularities in a vortex transmutation process induced by the breaking …
DOI arXiv