Réal Vallée

• Centre d'optique, photonique et laser
• Centre de recherche CERVO (Affilié à l’Université Laval)

Financements des 2 dernières années

• Eric Andre Yelle Steacy, Maîtrise en physique - avec mémoire
• Guillaume Gariépy, Maîtrise en physique - avec mémoire
• Maxime Lemieux-Tanguay, Doctorat en physique
• Tommy Boilard, Doctorat en physique
• Vahagn Muradyan, Doctorat en physique
• William Bisson, Maîtrise en physique - avec mémoire
• William Bisson, Doctorat en physique
• Yann Serre, Doctorat en physique

Encadrements des 5 dernières années

• Albert Dupont, Maîtrise en physique - avec mémoire
• Albert Dupont, Doctorat en physique
• Alexandre Michaud, Maîtrise en physique - avec mémoire
• Andrew Karim, Maîtrise en physique - avec mémoire
• Frédéric Jobin, Doctorat en physique
• Laurent Dusablon, Doctorat en physique
• Louis-Charles Michaud, Maîtrise en physique - avec mémoire
• Louis-Philippe Pleau, Maîtrise en physique - avec mémoire
• Marie-Pier Lord, Maîtrise en physique - avec mémoire
• Marie-Pier Lord, Doctorat en physique
• Maxime Lemieux-Tanguay, Maîtrise en physique - avec mémoire
• Pascal Paradis, Doctorat en physique
• Quentin Perry-Auger, Maîtrise en physique - avec mémoire
• Samuel Pouliot, Maîtrise en physique - avec mémoire

Travaux de recherche des 5 dernières années

Single-diode-pumped fiber laser at 3.55 µm Optics Letters, 2026. Maxime Lemieux-Tanguay, William Bisson, Réal Vallée, Martin Bernier. DOI 10.1364/OL.612131

Multi-watt monolithic Er3+/Dy3+-co-doped fluoride fiber laser at 3425 nm for resonant processing of high-density polyethylene Optics Letters, 2026. Louis-Charles Michaud, William Bisson, Louis-Philippe Pleau, Vincent Fortin, Sara Mondor, Réal Vallée, Martin Bernier. DOI 10.1364/OL.612469

Niobium-gallate fiber optics for high-power 1–5 µm supercontinuum generation [Invited] Journal of the Optical Society of America B, 2026. Théo Guérineau, Esteban Serrano, Steeve Morency, Albert Dupont, Grégory Gadret, Mathis Bartenstein, Tran Bao Khoi Pham, Jerome Lapointe, Martin Bernier, Réal Vallée, Younès Messaddeq. DOI 10.1364/JOSAB.580656

FBG-assisted Q-switched Er-doped fluoride fiber laser using a saturable absorber in transmission OPTICS AND LASER TECHNOLOGY, 2026. DOI 10.1016/J.OPTLASTEC.2025.114305

Get the most out of a fiber laser; from high-power CW to ultrafast operation, from visible to mid-infrared emission FIBER LASERS XXII: TECHNOLOGY AND SYSTEMS, 2025. DOI 10.1117/12.3045075

Passive broadband Faraday isolator for hybrid integration to photonic circuits without lens and external magnet NATURE PHOTONICS, 2025. DOI 10.1038/S41566-024-01601-0

Mid-Infrared Fiber Amplification of a DFB Interband Cascade Laser PHOTONICS, 2025. DOI 10.3390/PHOTONICS12100988

Tantalo-gallate glass as robust nonlinear medium for mid-infrared photonics COMMUNICATIONS MATERIALS, 2025. DOI 10.1038/S43246-025-00930-Z

Lasing in a femtosecond-laser-written single-scan waveguide fabricated in Tm-doped BGG glass OPTICS LETTERS, 2025. DOI 10.1364/OL.547643

Femtosecond laser writing of robust waveguides in optical fibers with enhanced photosensitivity OPTICS EXPRESS, 2024. DOI 10.1364/OE.521714

10 W, 2 mJ-level ns all-fiber amplifier at 2.8 μm OPTICS LETTERS, 2024. DOI 10.1364/OL.538776

Modeling the 3-Micron Class Er-Doped Fluoride Fiber Laser With a Cubic Energy Transfer Rate Dependence Arxiv, 2024.

Demonstration of a 0.8 W continuous wave bulk laser around 2 μm in a Tm<SUP>3+</SUP>:Ga-rich BGG glass OPTICAL MATERIALS EXPRESS, 2024. DOI 10.1364/OME.524064

2 W monolithic fiber laser at 3.8 <i>μ</i>m APL PHOTONICS, 2024. DOI 10.1063/5.0212455

Optimization of fs-laser-induced voxels in nonlinear materials via over-correction of spherical aberration OPTICS LETTERS, 2024. DOI 10.1364/OL.542171

1.7 W holmium-doped fluoroindate fiber laser at 3920 nm OPTICS LETTERS, 2024. DOI 10.1364/OL.522233

Flexible micro supercapacitor and triboelectric nanogenerator based on laser-induced graphene for self-powered applications NEXT ENERGY, 2024. DOI 10.1016/J.NXENER.2024.100141

Monolithic silica fiber laser operating at 585 nm OPTICS LETTERS, 2023. DOI 10.1364/OL.480592

Towards real-time active imaging of greenhouse gases using tunable mid-infrared all-fiber lasers APPLIED OPTICS, 2023. DOI 10.1364/AO.486929

Dysprosium gain-switched fiber laser at 3.24 μm pumped at 1064 nm OPTICS CONTINUUM, 2023. DOI 10.1364/OPTCON.480593

Investigation of Ga2O3-BaO-GeO2 glasses for ultrafast laser inscription OPTICAL MATERIALS EXPRESS, 2023. DOI 10.1364/OME.491952

All-fiber 2-6 μm coherent supercontinuum source based on chalcogenide fibers pumped by an amplified mid-IR soliton laser OPTICS COMMUNICATIONS, 2023. DOI 10.1016/J.OPTCOM.2023.129568

Enhancing Evanescent Wave Coupling of Near-Surface Waveguides with Plasmonic Nanoparticles SENSORS, 2023. DOI 10.3390/S23083945

Visible femtosecond fiber laser OPTICS LETTERS, 2023. DOI 10.1364/OL.492671

Toward low-loss mid-infrared Ga₂O₃-BaO-GeO₂ optical fibers SCIENTIFIC REPORTS, 2023. DOI 10.1038/S41598-023-30522-1

Ultrafast Fiber Laser Emitting at 2.8 μm Based on a SESAM and a Broadband FBG PHOTONICS, 2023. DOI 10.3390/PHOTONICS10070753

15 W monolithic fiber laser at 3.55 μm OPTICS LETTERS, 2022. DOI 10.1364/OL.446769

Femtosecond tunable solitons up to 4.8 μm using soliton self-frequency shift in an InF₃ fiber SCIENTIFIC REPORTS, 2022. DOI 10.1038/S41598-022-19658-8

Laser writing of 3D waveguides up to long-wave infrared: sensing and high refractive index contrast challenges LASER APPLICATIONS IN MICROELECTRONIC AND OPTOELECTRONIC MANUFACTURING (LAMOM) XXVII, 2022. DOI 10.1117/12.2611532

Probing the dispersive properties of optical fibers with an array of femtosecond-written fiber Bragg gratings SCIENTIFIC REPORTS, 2022. DOI 10.1038/S41598-022-08329-3

Laser Direct Writing of Silver Clusters-Based Subwavelength Periodic Structures Embedded in Mid-Infrared Gallo-Germanate Glass ADVANCED PHOTONICS RESEARCH, 2022. DOI 10.1002/ADPR.202200032

Attenuation coefficients of selected organic and inorganic solvents in the mid-infrared spectral domain OPTICAL MATERIALS EXPRESS, 2022. DOI 10.1364/OME.455405

Modified astigmatic beam technique for laser writing APPLIED OPTICS, 2022. DOI 10.1364/AO.454380

Dysprosium-doped silica fiber as saturable absorber for mid-infrared pulsed all-fiber lasers OPTICS EXPRESS, 2022. DOI 10.1364/OE.448060

Ultrafast laser writing of arbitrary long low-loss waveguides in optical fibers OPTICS LETTERS, 2022. DOI 10.1364/OL.478386

Recent developments in lanthanide-doped mid-infrared fluoride fiber lasers OPTICS EXPRESS, 2022. DOI 10.1364/OE.450929

Dual stage fiber amplifier operating near 3 μm with milijoule-level, sub-ns pulses at 5 W OPTICS LETTERS, 2021. DOI 10.1364/OL.434182

Direct-laser-written integrated mid-IR directional couplers in a BGG glass OPTICS EXPRESS, 2021. DOI 10.1364/OE.409527

2.3 W monolithic fiber laser operating in the visible OPTICS LETTERS, 2021. DOI 10.1364/OL.424765

High-energy 1-ns pulses from an erbium-doped fluoride fiber amplifier at 2.8 μm 2021 ANNUAL CONFERENCE OF THE IEEE PHOTONICS SOCIETY (IPC), 2021. DOI 10.1109/IPC48725.2021.9592954

From near-UV to long-wave infrared waveguides inscribed in barium fluoride using a femtosecond laser OPTICS LETTERS, 2021. DOI 10.1364/OL.430322

Dysprosium-Doped Silica Fiber as Saturable Absorber in a Mid-IR Fiber Laser 2021 ANNUAL CONFERENCE OF THE IEEE PHOTONICS SOCIETY (IPC), 2021. DOI 10.1109/IPC48725.2021.9592883

Smartphone screen integrated optical breathalyzer Preprints, 2021. DOI 10.20944/PREPRINTS202104.0502.V1