Johann Trolès
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View article: First Tellurite Composite Fiber with NIR‐Driven Green Persistent Luminescence
First Tellurite Composite Fiber with NIR‐Driven Green Persistent Luminescence Open
Expanding the excitation range of persistent luminescent (PeL) materials into the near infrared (NIR) region is critical to enable remote, flexible, and compact advanced optical systems. In this study, the fabrication of the first composit…
View article: Photo-Writable Sulfide Glasses Used to Fabricate Core-Clad Fiber Doped with Pr3+ for Mid-IR Luminescence
Photo-Writable Sulfide Glasses Used to Fabricate Core-Clad Fiber Doped with Pr3+ for Mid-IR Luminescence Open
With the ultimate goal of developing rare-earth doped chalcogenide fiber fabrication for sensing, amplification, and laser applications, a core/clad germanium-gallium sulfide fiber doped with Pr3+ has been fabricated. The compositions of t…
View article: Recent advances in supercontinuum generation in specialty optical fibers [Invited]
Recent advances in supercontinuum generation in specialty optical fibers [Invited] Open
The physics and applications of fiber-based supercontinuum (SC) sources have been a subject of intense interest over the last decade, with significant impact on both basic science and industry. New uses for SC sources are also constantly e…
View article: Octave-Spanning Supercontinuum Generated in As<sub>2</sub>S<sub>3</sub>-Silica Waveguides Pumped by Tm-doped All-fibre MOPA
Octave-Spanning Supercontinuum Generated in As<sub>2</sub>S<sub>3</sub>-Silica Waveguides Pumped by Tm-doped All-fibre MOPA Open
International audience
View article: Multiscale Laser Written Photonic Structures in Bulk Chalcogenide Glasses for Infrared Light Transport and Extraction
Multiscale Laser Written Photonic Structures in Bulk Chalcogenide Glasses for Infrared Light Transport and Extraction Open
Direct ultrafast laser processing is nowadays considered the most flexible technique allowing to generate complex 3D optical functions in bulk glasses. The fact that the built-in optical element is embedded in the material brings several a…
View article: Elaboration of chalcogenide microstructured optical fibers preform by 3D additive manufacturing
Elaboration of chalcogenide microstructured optical fibers preform by 3D additive manufacturing Open
International audience
View article: Investigation on Chalcogenide Glass Additive Manufacturing for Shaping Mid-infrared Optical Components and Microstructured Optical Fibers
Investigation on Chalcogenide Glass Additive Manufacturing for Shaping Mid-infrared Optical Components and Microstructured Optical Fibers Open
In this work, an original way of shaping chalcogenide optical components has been investigated. Thorough evaluation of the properties of chalcogenide glasses before and after 3D printing has been carried out in order to determine the impac…
View article: Mid-infrared hollow core fiber drawn from a 3D printed chalcogenide glass preform
Mid-infrared hollow core fiber drawn from a 3D printed chalcogenide glass preform Open
We report the fabrication of a microstructured optical fiber drawn from a soft glass 3D printed preform. For this proof of concept, a chalcogenide glass that is well known for its capability to be shaped at low temperature and its mid-infr…
View article: Graded Index Chalcogenide Fibers with Nanostructured Core
Graded Index Chalcogenide Fibers with Nanostructured Core Open
Fabrication of graded index (GRIN) fibers is for a long time limited to ion‐exchange, modified chemical vapour deposition (MCVD) or other deposition techniques. Recently, the nanostructuring of an all‐solid core in fibers has proven to be …
View article: Cascaded Fiber-based Mid-Infrared Supercontinuum Source
Cascaded Fiber-based Mid-Infrared Supercontinuum Source Open
In this paper, we investigate mid-IR SC generation in a cascaded silica-ZBLAN-chalcogenide fiber system directly pumped with a commercially-available 460-ps pulsed fiber laser operating in the telecommunications window at 1.55 µm. This fib…
View article: Chalcogenide-glass polarization-maintaining photonic crystal fiber for mid-infrared supercontinuum generation
Chalcogenide-glass polarization-maintaining photonic crystal fiber for mid-infrared supercontinuum generation Open
In this paper, we report the design and fabrication of a highly birefringent polarization-maintaining photonic crystal fiber made from chalcogenide glass, and its application to linearly-polarized supercontinuum generation in the mid-infra…
View article: Chalcogenide-glass polarization-maintaining photonic crystal fiber for mid-infrared supercontinuum generation
Chalcogenide-glass polarization-maintaining photonic crystal fiber for mid-infrared supercontinuum generation Open
In this paper, we report the design and fabrication of a highly birefringent polarization-maintaining photonic crystal fiber (PM-PCF) made from chalcogenide glass, and its application to linearly-polarized supercontinuum (SC) generation in…
View article: Fabrication of high optical quality Ge-As-Se glasses for the development of low-loss microstructured optical fibers
Fabrication of high optical quality Ge-As-Se glasses for the development of low-loss microstructured optical fibers Open
International audience
View article: Chalcogenide Microstructured Optical Fibers for Mid-Infrared Supercontinuum Generation: Interest, Fabrication, and Applications
Chalcogenide Microstructured Optical Fibers for Mid-Infrared Supercontinuum Generation: Interest, Fabrication, and Applications Open
The mid-infrared spectral region is of great technical and scientific importance in a variety of research fields and applications. Among these studies, mid-infrared supercontinuum generation has attracted strong interest in the last decade…
View article: Original designs of chalcogenide microstuctured optical fibers
Original designs of chalcogenide microstuctured optical fibers Open
The combination of the unique optical properties of chalcogenide glasses, in terms of infrared transmission and optical non-linearity, with the original guiding properties of microstructured optical fibers leads to a new category of fibers…
View article: Near infrared spectro-interferometer using femtosecond laser written GLS embedded waveguides and nano-scatterers
Near infrared spectro-interferometer using femtosecond laser written GLS embedded waveguides and nano-scatterers Open
Guided optics spectrometers can be essentially classified into two main families: based on Fourier transform or dispersion. In the first case, an interferogram generated inside an optical waveguide and containing the spectral information i…
View article: Glass and Process Development for the Next Generation of Optical Fibers: A Review
Glass and Process Development for the Next Generation of Optical Fibers: A Review Open
Applications involving optical fibers have grown considerably in recent years with intense levels of research having been focused on the development of not only new generations of optical fiber materials and designs, but also on new proces…
View article: Coherent octave-spanning mid-infrared supercontinuum generated in As_2S_3-silica double-nanospike waveguide pumped by femtosecond Cr:ZnS laser
Coherent octave-spanning mid-infrared supercontinuum generated in As_2S_3-silica double-nanospike waveguide pumped by femtosecond Cr:ZnS laser Open
A more than 1.5 octave-spanning mid-infrared supercontinuum (1.2 to 3.6 μm) is generated by pumping a As2S3-silica "double-nanospike" waveguide via a femtosecond Cr:ZnS laser at 2.35 μm. The combination of the optimized group velocity disp…