Pascal Paradis
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View article: 2 W monolithic fiber laser at 3.8 <i>µ</i>m
2 W monolithic fiber laser at 3.8 <i>µ</i>m Open
We report a dual-wavelength-pumped all-fiber continuous-wave laser operating at the extended wavelength of 3.79 µm that reaches a record output power of 2.0 W. This represents, to the best of our knowledge, the highest output power reporte…
View article: Modeling the 3-micron Class Er-Doped Fluoride Fiber Laser with a Cubic Energy Transfer Rate Dependence
Modeling the 3-micron Class Er-Doped Fluoride Fiber Laser with a Cubic Energy Transfer Rate Dependence Open
We propose an energy transfer model with a cubic atomic population dependence to accurately model the behavior of various reported high-power erbium-doped fluoride fiber lasers operating near 2.8 microns. We first show that the previously …
View article: Ultrafast Fiber Laser Emitting at 2.8 µm Based on a SESAM and a Broadband FBG
Ultrafast Fiber Laser Emitting at 2.8 µm Based on a SESAM and a Broadband FBG Open
Ultrafast mid-infrared fiber lasers have been intensely studied in the last decade for the generation of high harmonics, molecular spectroscopy, material processing and remote sensing. Different designs have been investigated but most of t…
View article: Femtosecond tunable solitons up to 4.8 µm using soliton self-frequency shift in an InF3 fiber
Femtosecond tunable solitons up to 4.8 µm using soliton self-frequency shift in an InF3 fiber Open
View article: Femtosecond tunable solitons up to 4.8 µm using soliton self-frequency shift in an InF3 fiber.
Femtosecond tunable solitons up to 4.8 µm using soliton self-frequency shift in an InF3 fiber. Open
A tunable ultrashort soliton pulse source reaching up to 4.8 µm is demonstrated based on a 2.8 µm femtosecond fiber lasercoupled to a zirconium fluoride fiber amplifier followed by a small core indium fluoride fiber.This demonstration is e…
View article: Attenuation coefficients of selected organic and inorganic solvents in the mid-infrared spectral domain
Attenuation coefficients of selected organic and inorganic solvents in the mid-infrared spectral domain Open
Knowledge of the light attenuation by a material is essential for any photonic device, while liquids are insufficiently quantified, especially in the mid-infrared range. Here, we present a quantitative spectroscopic study reporting concret…
View article: Recent developments in lanthanide-doped mid-infrared fluoride fiber lasers [Invited]
Recent developments in lanthanide-doped mid-infrared fluoride fiber lasers [Invited] Open
Mid-infrared fiber sources, emitting between 2.5 µm and 5.0 µm, are interesting for their great potential in several application fields such as material processing, biomedicine, remote sensing and infrared countermeasures due to their high…
View article: Attenuation measurements of inorganic solvents in mid-infrared
Attenuation measurements of inorganic solvents in mid-infrared Open
Attenuation measurements of inorganic solvents (carbondisulfide, carbontetrachloride, tetrachloroethylene and bromotrichloromethane) in 1.5-20µm spectral range.
View article: Dysprosium-Doped Silica Fiber as Saturable Absorber in a Mid-IR Fiber Laser
Dysprosium-Doped Silica Fiber as Saturable Absorber in a Mid-IR Fiber Laser Open
International audience
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: Closing In on Mid-IR Pulsed All-Fiber Lasers Based on Saturable Absorbers
Closing In on Mid-IR Pulsed All-Fiber Lasers Based on Saturable Absorbers Open
International audience
View article: Towards Mid-IR Pulsed All-Fiber Lasers Based on Saturable Absorbers
Towards Mid-IR Pulsed All-Fiber Lasers Based on Saturable Absorbers Open
International audience
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: All-fiber laser pump reflector based on a fs-written VBG
All-fiber laser pump reflector based on a fs-written VBG Open
We report on the writing of chirped volume Bragg gratings using 400 nm femtosecond pulses and the phase-mask inscription technique in the pure silica inner cladding of the gain fiber. The usefulness of such fiber component is demonstrated …
View article: Towards an ultrafast all-fiber laser source for mid-infrared spectroscopy
Towards an ultrafast all-fiber laser source for mid-infrared spectroscopy Open
International audience
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…