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View article: Multimode Magneto-Optical Fiber Based on Borogermanate Glass Containing Tb3+ for Sensing Applications
Multimode Magneto-Optical Fiber Based on Borogermanate Glass Containing Tb3+ for Sensing Applications Open
A multimode magneto-optical fiber based on Tb3+-containing borogermanate glass was designed, fabricated, and characterized, aiming at potential sensing applications. There are continuing challenges in the development of single-mode (SMF) o…
View article: High power neodymium-doped single-mode all-fiber laser at 922 nm using chirped tilted fiber Bragg gratings
High power neodymium-doped single-mode all-fiber laser at 922 nm using chirped tilted fiber Bragg gratings Open
We report the demonstration of a neodymium-doped silica all-fiber laser delivering a single-mode output power of 17.7 W at 922 nm in continuous wave operation. The system is based on an in-house developed step-index fiber, having its core …
View article: Tantalo-gallate glass as robust nonlinear medium for mid-infrared photonics
Tantalo-gallate glass as robust nonlinear medium for mid-infrared photonics Open
International audience
View article: Anti-Stokes fluorescence cooling of lanthanum aluminosilicate glasses
Anti-Stokes fluorescence cooling of lanthanum aluminosilicate glasses Open
This study reports on the fabrication of ytterbium-doped lanthanum-aluminosilicate (LAS) glasses using the modified chemical vapor deposition (MCVD) process combined with solution doping. The fabricated samples exhibit near-unity quantum e…
View article: Impact of bending angle on antiresonant fibers with optimized symmetric geometries
Impact of bending angle on antiresonant fibers with optimized symmetric geometries Open
View article: Femtosecond laser writing of robust waveguides in optical fibers with enhanced photosensitivity
Femtosecond laser writing of robust waveguides in optical fibers with enhanced photosensitivity Open
We report the femtosecond laser writing of meter-long optical waveguides inscribed through the coating of specifically designed optical fibers. In order to improve the material photosensitivity and to ensure non-guiding optical fibers for …
View article: Removal of cadmium and chromium heavy metals from aqueous medium using composite bacterial cellulose membrane
Removal of cadmium and chromium heavy metals from aqueous medium using composite bacterial cellulose membrane Open
Bacterial cellulose (BC) membranes produced from biomass are emerging as an eco-friendly solution for water decontamination. The abundance of hydroxyl groups and the high surface-to-volume ratio of this material allow for the integration o…
View article: Removal of Cadmium and Chromium Heavy Metals from Aqueous Medium Using Composite Bc Membrane
Removal of Cadmium and Chromium Heavy Metals from Aqueous Medium Using Composite Bc Membrane Open
View article: Toward low-loss mid-infrared Ga2O3–BaO–GeO2 optical fibers
Toward low-loss mid-infrared Ga2O3–BaO–GeO2 optical fibers Open
The development of efficient and compact photonic systems in support of mid-infrared integrated optics is currently facing several challenges. To date, most mid-infrared glass-based devices are employing fluoride or chalcogenide glasses (F…
View article: Tunable distributed sensing performance in Ca-based nanoparticle-doped optical fibers
Tunable distributed sensing performance in Ca-based nanoparticle-doped optical fibers Open
Rayleigh scattering enhanced nanoparticle-doped optical fibers is a technology very promising for distributed sensing applications, however, it remains largely unexplored. This work demonstrates for the first time the possibility of tuning…
View article: Magneto-optical borogermanate glasses and fibers containing Tb3+
Magneto-optical borogermanate glasses and fibers containing Tb3+ Open
View article: 100-W-level single-mode ytterbium-free erbium fiber laser
100-W-level single-mode ytterbium-free erbium fiber laser Open
We report on an ytterbium-free, erbium-doped single-mode all-fiber laser reaching a record output power of 107 W at 1598 nm, with a slope efficiency of 38.6% according to the absorbed pump power at 981 nm. The erbium-doped gain fiber, co-d…
View article: Ultrafast cleaning of methylene blue contaminated water accelarating photocatalytic reaction rate of the BiVO4 nanoflakes under highly intense sunlight irradiation
Ultrafast cleaning of methylene blue contaminated water accelarating photocatalytic reaction rate of the BiVO4 nanoflakes under highly intense sunlight irradiation Open
The sustainable rapid wastewater treatment process is the greatest challenge in the 21st century as the demand of fresh and clean water is increasing with growing population worldwide. Herein, an emergent technique to clean dye contaminate…
View article: Heavy-oxide glasses with superior mechanical assets for nonlinear fiber applications in the mid-infrared
Heavy-oxide glasses with superior mechanical assets for nonlinear fiber applications in the mid-infrared Open
The ability to produce robust fiber-based integrated optical systems operating over a wide spectral domain (UV to mid-infrared), is one of today’s key challenges in photonics. This work reports on the production of crystal-free, light guid…
View article: Large Faraday effect and structural properties of heavily Tb3+-doped borogermanate glasses: a potential precursor of magneto-optical fibers
Large Faraday effect and structural properties of heavily Tb3+-doped borogermanate glasses: a potential precursor of magneto-optical fibers Open
New glass compositions containing high concentrations of Tb 3+ ions were developed aiming at the production of magneto-optical (MO) fibers. This work reports on the structural and MO properties of a new glass composition based on (100- x )…
View article: Fundamental studies of magneto-optical borogermanate glasses and derived optical fibers containing Tb3+
Fundamental studies of magneto-optical borogermanate glasses and derived optical fibers containing Tb3+ Open
View article: Development of an extremely concentrated solar energy delivery system using silica optical fiber bundle for deployment of solar energy: Daylighting to photocatalytic wastewater treatment
Development of an extremely concentrated solar energy delivery system using silica optical fiber bundle for deployment of solar energy: Daylighting to photocatalytic wastewater treatment Open
View article: Curvature sensing using a hybrid polycarbonate-silica multicore fiber
Curvature sensing using a hybrid polycarbonate-silica multicore fiber Open
We report on the development of a novel hybrid glass-polymer multicore fiber integrating three 80 µm polyimide-coated silica fibers inside a 750 µm polycarbonate cladding. By inscribing an array of distributed FBGs along each segment of si…
View article: Light-Generating CdSe/CdS Colloidal Quantum Dot-Doped Plastic Optical Fibers
Light-Generating CdSe/CdS Colloidal Quantum Dot-Doped Plastic Optical Fibers Open
Colloidal quantum dots (cQDs) are now a mature nanomaterial with optical properties customizable through varying size and composition. However, their use in optical devices is limited as they are not widely available in convenient forms su…
View article: Light-Generating CdSe/CdS Colloidal Quantum Dot-Doped\nPlastic Optical Fibers
Light-Generating CdSe/CdS Colloidal Quantum Dot-Doped\nPlastic Optical Fibers Open
Colloidal\nquantum dots (cQDs) are now a mature nanomaterial with\noptical properties customizable through varying size and composition.\nHowever, their use in optical devices is limited as they are not widely\navailable in convenient form…
View article: Rapid degradation of Rhodamine B using enhanced photocatalytic activity of MoS2 nanoflowers under concentrated sunlight irradiation
Rapid degradation of Rhodamine B using enhanced photocatalytic activity of MoS2 nanoflowers under concentrated sunlight irradiation Open
View article: Erbium-doped aluminophosphosilicate all-fiber laser operating at 1584 nm
Erbium-doped aluminophosphosilicate all-fiber laser operating at 1584 nm Open
We report on an ytterbium-free erbium-doped aluminophosphosilicate all-fiber laser, producing an output power of 25 W at a wavelength of 1584 nm with a slope efficiency of 30% with respect to the 976 nm absorbed pump power. The simple cavi…
View article: Enhanced photocatalytic activity of silver vanadate nanobelts in concentrated sunlight delivered through optical fiber bundle coupled with solar concentrator
Enhanced photocatalytic activity of silver vanadate nanobelts in concentrated sunlight delivered through optical fiber bundle coupled with solar concentrator Open
View article: Extended germano-gallate fiber drawing domain: from germanates to gallates optical fibers
Extended germano-gallate fiber drawing domain: from germanates to gallates optical fibers Open
Here we report on the production of crystal-free light guiding fibers using a preform-to-fiber approach in the germano-gallate glass system Ga2O3-GeO2-BaO-La2O3-Y2O3 for various contents of gallium to germanium. For glasses in the system G…
View article: 3D-printing of arsenic sulfide chalcogenide glasses
3D-printing of arsenic sulfide chalcogenide glasses Open
The use of a 3D-printing additive manufacturing process is reported for the first time for the extrusion of chalcogenide glasses by using a filament feed. Several challenges were overcome: preparation of chalcogenide glass filaments by the…
View article: Thermal characterizations and investigation of the drawing region in Ge-As-S glasses for IR optical fibers
Thermal characterizations and investigation of the drawing region in Ge-As-S glasses for IR optical fibers Open
View article: The Maunakea Spectroscopic Explorer Book 2018
The Maunakea Spectroscopic Explorer Book 2018 Open
(Abridged) This is the Maunakea Spectroscopic Explorer 2018 book. It is intended as a concise reference guide to all aspects of the scientific and technical design of MSE, for the international astronomy and engineering communities, and re…
View article: 20 W splice-free erbium-doped all-fiber laser operating at 1610 nm
20 W splice-free erbium-doped all-fiber laser operating at 1610 nm Open
We report on a splice-free erbium-doped all-fiber laser emitting over 20 W at a wavelength of 1610 nm, with a slope efficiency of 19.6 % and an overall efficiency of 18.3% with respect to the launched pump power at 976 nm. The simple cavit…
View article: Ytterbium-doped oxyfluoride nano-glass-ceramic fibers for laser cooling
Ytterbium-doped oxyfluoride nano-glass-ceramic fibers for laser cooling Open
International audience
View article: Optical and electrical characterizations of multifunctional silver phosphate glass and polymer-based optical fibers
Optical and electrical characterizations of multifunctional silver phosphate glass and polymer-based optical fibers Open
In recent years, the fabrication of multifunctional fibers has expanded for multiple applications that require the transmission of both light and electricity. Fibers featuring these two properties are usually composed either of a single ma…