Study of lanthanum aluminum silicate glasses for passive and active optical fibers

D Litzkendorf, S Grimm, K Schuster… - … Journal of Applied …, 2012 - Wiley Online Library
We are reporting on S i O 2‐A l2 O 3‐L a2 O 3 glasses—with and without Y b2 O 3—suitable
for nonlinear and fiber laser applications. We will also be presenting successful …

[HTML][HTML] Intermodal effective phase matching for second harmonic generation of ultrashort pulses in high index contrast optical fibers

A Tishchenko, F Berghmans… - Applied Physics Letters, 2024 - pubs.aip.org
Second harmonic generation (SHG) in glass optical fibers calls for creating a second order
susceptibility in the fiber glass and for achieving phase matching between the pump and the …

Visible and Near-Infrared emission properties of Yb3+/Pr3+ co-doped lanthanum aluminum silicate glass

L Liang, Z Mo, B Ju, C Xia, Z Hou, G Zhou - Journal of Non-Crystalline …, 2021 - Elsevier
Abstract Yb 3+/Pr 3+ co-doped lanthanum aluminum silicate glasses (Yb 3+/Pr 3+-SAL
glass) are prepared by high temperature melting process. The optical properties of Yb 3+/Pr …

Simultaneous modal phase and group velocity matching in microstructured optical fibers for second harmonic generation with ultrashort pulses

A Tishchenko, T Geernaert, N Vermeulen… - Optics …, 2022 - opg.optica.org
Optical fibers provide a favorable medium for nonlinear optical processes owing to the small
mode field size and concurrently high optical intensity combined with the extended …

Nonlinear refractive index study on SiO2-Al2O3-La2O3 glasses

C Karras, D Litzkendorf, S Grimm, K Schuster… - Optical Materials …, 2014 - opg.optica.org
The nonlinear refractive index n_2 of SiO_2-Al_2O_3-La_2O_3 (SAL) glasses of 10 to 24
mol% La_2O_3 is determined via Z-scan technique at 800 nm in the sub-100 fs time regime …

Intermodal phase and group velocity matching for frequency tripling and doubly phase matched cascaded wave mixing in high index contrast double-clad optical …

A Tishchenko, F Berghmans, T Baghdasaryan - Optics Express, 2024 - opg.optica.org
Frequency conversion in glass optical fibers requires both phase and group velocity
matching between the pump and the higher harmonic when working with short pulses. We …

All-normal dispersion hole-assisted silica fibers for generation of supercontinuum reaching midinfrared

K Tarnowski, W Urbanczyk - IEEE Photonics Journal, 2016 - ieeexplore.ieee.org
A design of technologically feasible hole-assisted silica fibers with all-normal dispersion was
proposed and optimized for maximum dispersion located, respectively, at 1.55 and 1.97 …

Broadband, diode pumped Yb:SiO2multicomponent glass laser

M Loeser, F Röser, A Reichelt, M Siebold, S Grimm… - Optics Letters, 2012 - opg.optica.org
Fabrication, spectroscopic properties, and laser performance of a Yb: SiO_2 multicomponent
glass have been investigated in this paper. The glass system composed of SiO_2, Al_2O_3 …

Ge-doped microstructured multicore fiber for customizable supercontinuum generation

D Modotto, G Manili, U Minoni, S Wabnitz… - IEEE Photonics …, 2011 - ieeexplore.ieee.org
Supercontinuum generation in a multicore fiber in which several uncoupled cores were
doped with dissimilar concentrations of germanium was studied experimentally. Germanium …

High-contrast lead-free pair of soft glasses for large numerical aperture imaging bundles

R Stepien, J Cimek, D Pysz, I Kujawa… - Optical Materials …, 2020 - opg.optica.org
Development of high numerical aperture fiber bundles (FBs) requires use of thermally
matched pair of glasses with a high difference of refractive indices. We have developed a …