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Publications (21)
Temporally coherent supercontinuum sources constitute an attractive alternative to bulk crystal-based sources of few-cycle light pulses. We present a monolithic fiber-optic configuration for generating transform-limited temporally coherent supercontinuum pulses with central wavelength at 1.06 µm and duration as short as 13.0 fs (3.7 optical cycles)...
Temporally coherent supercontinuum sources constitute an attractive alternative to bulk crystal-based sources of few-cycle light pulses. We present a monolithic fibre-optic configuration for generating transform-limited temporally coherent supercontinuum pulses with central wavelength at 1.06 mm and duration as short as 13.0 fs (3.7 optical cycles)...
We use self-calibrating dispersion scan to experimentally detect and quantify the presence of pulse train instabilities in ultrashort laser pulse trains. We numerically test our approach against two different types of pulse instability, namely second-order phase fluctuations and random phase instability, where the introduction of an adequate metric...
We apply the self-calibrating d-scan technique to quantify the pulse train instabilities in a fiber laser with supercontinuum generation in a photonic crystal fiber (PCF). Using an all-normal dispersion PCF, stable 15-fs pulses are measured.
We apply the self-calibrating d-scan technique to quantify the pulse train instabilities in a fiber laser with supercontinuum generation in a photonic crystal fiber (PCF). Using an all-normal dispersion PCF, stable 15-fs pulses are measured.
This paper presents the design, implementation and performance of an optical fiber laser of ultrashort-ultraintense pulses (up to 50 W of average power), 1064 nm central wave-length and linearly polarized emission. The focus is on two stages of the laser architec-ture: 1. Pulse temporal compression and 2. Arbitrary temporal shaping of the train of...
This paper presents the design, implementation and performance of an optical fiber laser of ultrashort-ultraintense pulses (up to 50 W of average power), 1064 nm central wave-length and linearly polarized emission. The focus is on two stages of the laser architec-ture: 1. Pulse temporal compression and 2. Arbitrary temporal shaping of the train of...
We report on benchmark tests of a 3 TW/50 fs, table-top laser system specifically developed for proton acceleration with an intrinsic pump rate up to 100 Hz. In two series of single-shot measurements differing in pulse energy and contrast the successful operation of the diode pumped laser is demonstrated. Protons have been accelerated up to 1.6 MeV...
A design of a diode side-pumped Nd:YAG laser module and simulations of the gain distribution inside the active medium are presented in this paper. The code is based on a nonsequential ray-tracing Monte Carlo method for the light generated by the laser diodes. The fluorescence image of the active medium was analyzed in order to compare it with the s...
The stack and draw technique provides an enormous flexibility and permits to obtain rather complex photonic crystal fibers and other nanoweb structures. It is possible to fabricate Ge‐doped microstructured fibers combining silica capillaries and doped wires of silica glass. Here, we will present the fabrication and postprocessing of Ge‐doped Y‐shap...
We give the details of the fabrication approach that we follow to prepare Erbium-doped photonic crystal fibers and the basic characterization of these fibers. The fibers were fabricated using the conventional stack-and-draw technique. The preforms were prepared combining pure silica capillaries to form a hexagonal lattice and an Erbium doped wire t...
The stack and draw technique provides an enormous flexibility and permits to obtain rather complex photonic crystal fibers and other nanoweb structures. It is possible to fabricate Ge-doped microstructured fibers combining silica capillaries and doped wires of silica glass. Here, we will present the fabrication and postprocessing of Ge-doped Y-shap...
This paper presents a tunable transversal filter working with a single optical carrier at constant wavelength. The filter consists of a set of chirped gratings whose time delay is tuned with respect to the emission wavelength of a fiber laser by a piezoelectric actuator; extra lengths of fiber are inserted in the filter arms in order to avoid inter...