64 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Czech Academy of SciencesCZ8 papers
- Centre National de la Recherche ScientifiqueFR7 papers
- Laboratoire de physique de la matière condenséeFR5 papers
- Laboratoire de Physique Théorique de la Matière CondenséeFR4 papers
- University of LisbonPT4 papers
- Comenius University BratislavaSK3 papers
- Université de Picardie Jules VerneFR3 papers
- Université Nice Sophia AntipolisFR3 papers
- Charles UniversityCZ2 papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR2 papers
- Czech Technical University in PragueCZ2 papers
- École PolytechniqueFR2 papers
16 papers · 1 filter
Doped and structured silica optical fibres for fibre laser sources
I. Kasik, I. Barton, M. Kamradek +8
Specialty optical fibres, usually the silica-based ones doped with rare-earth ions, have been heart of fibre amplifiers and lasers spread thanks to work of team of Sir David N. Pay…
Nanoparticle doping as a way to enhance holmium fiber lasers efficiency
M. Kamradek, I. Kasik, J. Aubrecht +6
Highly-doped holmium fibers have been prepared using modified chemical vapor deposition in combination with nanoparticle-doping method. Within a series of various Al2O3 and Ho3+ co…
Understanding the temperature conditions for controlled splicing between silica and fluoride fibers
Antreas Theodosiou, Ori Henderson-Sapir, Yauhen Baravets +5
This study explores the efficacy of thermal splicing conditions between silica and zirconium-fluoride fibers, focusing on achieving mechanical strength between the two fibers. A co…
Optical Fingerprint of Flat Substrate Surface and Marker-free Lateral Displacement Detection with Angstrom-level Precision
Shupei Lin, Yong He, Delong Feng +2
We report that flat substrates such as glass coverslips with surface roughness well below 0.5 nm feature notable speckle patterns when observed with high-sensitivity interference m…
Gain-controlled Broadband Tuneability in Mode-locked Thulium-doped Fibre Laser through Variable Feedback
Dennis C. Kirsch, Anastasia Bednyakova, Benoit Cadier +2
Broadband wavelength tuneability can ensure a new level of versatility for laser systems and extend areas of their applications. Principle limitations of achieving wide tuning wave…
Multiscale Modeling and Analysis for High-fidelity Interferometric Scattering Microscopy
Shupei Lin, Yong He, Hadrien Marc Louis Robert +4
Interferometric scattering microscopy (iSCAT), as an ultrasensitive fluorescence-free imaging modality, has recently gain enormous attention and been rapidly developing from demons…
Scattering properties of a PT dipole
K. Staliunas, P. Markoš, V. Kuzmiak
Electromagnetic response of PT-dipole is studied both analytically and numerically. In analytical approach, dipole is represented by two point scatterers. Within the first Born app…
Asymmetric transmission of surface plasmon polaritons on planar gratings
Vladimir Kuzmiak, Alexei A. Maradudin
We describe a surface structure consisting of a metal-air interface where the metallic part consists of two metallic segments with a periodic modulation of the interface between th…
Coupling between Fano and Bragg bands in photonic band structure of two-dimensional metallic photonic structures
Peter Markos, Vladimir Kuzmiak
Frequency and transmission spectrum of two-dimensional array of metallic rods is investigated numerically. Based on the recent analysis of the band structure of two-dimensional pho…
Preparation and characterization of highly thulium- and alumina-doped optical fibers for single-frequency fiber lasers
Pavel Honzatko, Anirban Dhar, Ivan Kasik +5
Thulium-doped fibers suitable for core-pumped single-frequency lasers were fabricated by the modified chemical vapor deposition (MCVD) method. Refractive index profile, doping prof…
Thulium-doped silica fibers with enhanced 3H4 level lifetime: modelling the devices for 800-820 nm band
Pavel Peterka, Ivan Kasik, Anirban Dhar +2
Silica-based thulium-doped fiber devices operating around 810 nm would extend the spectral range covered by high- power fiber devices. Using a comprehensive numerical model of the…
Passively Q-switched Ytterbium and Chromium all-fibre laser
Bernard Dussardier, Jerome Maria, Pavel Peterka
A chromium-doped saturable absorber fibre stabilizes an otherwise spontaneously chaotic ytterbium- doped fibre laser. This original passively Q-switched all-fibre laser produces su…
Tailoring of the luminescent ions local environment in optical fibers, and applications
Bernard Dussardier, Wilfried Blanc, P. Peterka
The chapter is situated in the fields of fiber materials sciences and technologies (particularly dealing with the fiber glass compositions and luminescent ion doping, and transpare…
Ytterbium- and chromium-doped fibre laser: from chaotic self-pulsing to passive Q-switching
Bernard Dussardier, Jerome Maria, P. Peterka
A spontaneously chaotic, self-pulsing ytterbium-doped fibre laser is partially stabilized into the passively Q-switched mode of operation using a chromium-doped saturable absorber…
Long-period fiber grating as wavelength selective element in double-clad Yb-doped fiber-ring lasers
P. Peterka, Jerome Maria, Bernard Dussardier +3
Selection of operating wavelength of the Yb-doped fiber-ring lasers using longperiod fiber gratings (LPFGs) is suggested. In the proposed method, customized LPFG that sustains high…
Visible and near infra-red up-conversion in Tm3+/Yb3+ co-doped silica fibres under 980 nm excitation
David A. Simpson, Keith W. E. Gibbs, Stephen F. Collins +5
The spectroscopic properties of Tm3+/Yb3+ co-doped silica fibers under excitation at 980 nm are reported. Three distinct up-conversion fluorescence bands were observed in the visib…