Répertoire du corps professoral

Quantum and absolute dual-comb interferometry
Programme: Subventions à la découverte SD (individuelles et d'équipe)
Organisme(s) subventionnaire(s): Conseil de recherches en sciences naturelles et génie Canada
Type de financement: Subvention
Établissement tête: Université Laval
Du 1 avril 2026 au 31 mars 2031

Centre d'optique, photonique et lasers
Programme: Regroupements stratégiques NT
Organisme(s) subventionnaire(s): École polytechnique de Montréal, Université du Québec à Trois-Rivières, École de technologie supérieure, Université de Sherbrooke, Université Concordia, Université Laval - Fonds internes, Institut national de recherche scientifique (INRS), Fonds de recherche du Québec - Nature et technologies, Université McGill
Type de financement: Subvention
Établissement tête: Université Laval
Du 1 avril 2024 au 31 mars 2030

Financements des 2 dernières années

Generation of Squeezed States in Erbium-Doped Fiber for Quantum-Enhanced Dual-Comb Spectroscopy
Programme: Bourse de recherche Mitacs Globalink
Organisme(s) subventionnaire(s): MITACS Inc.
Type de financement: Subvention
Établissement tête: Université Laval
Du 2 mars 2026 au 24 juillet 2026

Corrélations de champ: vers une interférométrie à deux peignes quantiques
Organisme(s) subventionnaire(s): École polytechnique de Montréal
Type de financement: Subvention
Établissement tête: Institut national de la recherche scientifique, Université du Québec - INRS
Du 1 avril 2023 au 30 septembre 2025

Advanced signal processing for dual comb interferometry
Programme: Subventions à la découverte SD (individuelles et d'équipe)
Organisme(s) subventionnaire(s): Conseil de recherches en sciences naturelles et génie Canada
Type de financement: Subvention
Établissement tête: Université Laval
Du 1 avril 2021 au 1 avril 2026

Thomas Charland, Maîtrise en génie électrique - avec mémoire

Mathieu Walsh, Doctorat en génie électrique

Encadrements terminés dans les 5 dernières années

Mathieu Walsh, Maîtrise en génie électrique - avec mémoire

Julia Lepage-Tremblay, Maîtrise en génie électrique - avec mémoire

Alex Tourigny-Plante, Maîtrise en génie électrique - avec mémoire

Philippe Guay, Doctorat en génie électrique

Vincent Michaud-Belleau, Doctorat en génie électrique

Publications des 5 dernières années

Visible dual-comb spectroscopy across more than 100 THz with lithium niobate nanophotonic waveguides Arxiv, 2026. Mashburn, C., Chang, K.F., Wahl, M.J., Walsh, M., Herman, D.I., Heyrich, M., Wu, T.-H., Hoghooghi, N., Sekine, R., Ledezma, L., Jerris, E., Marandi, A., Genest, J., Diddams, S.A.. DOI 10.48550/arXiv.2602.07239

Precision long open-path methane measurements using electro-optical dual-comb spectroscopy CLEO Science and Innovations Proceedings CLEO 2026, 2026. Herman, D.I., Ding, R., Urayama, J., Van Tassle, A., Dexheimer, D., Ruiz, C., Whitson, G., Walsh, M., Charland, T., Genest, J., Kasic, J., Coddington, I., Cossel, K., Schwindt, P.. DOI 10.1364/CLEO_SI.2026.STH3G.5

Phase-Dependent Squeezing in Dual-Comb Interferometry Physical Review Letters, 2026. Herman, D.I., Kreider, M.K., Lordi, N., Walsh, M., Tsao, E.J., Lind, A.J., Heyrich, M., Combes, J., Diddams, S.A., Genest, J.. DOI 10.1103/31w7-69c8

Open-Path Methane Sensing With a Dual Source Electro-Optic Comb Spectrometer CLEO Applications and Technology Proceedings CLEO 2026, 2026. Charland, T., Walsh, M., Herman, D.I., Genest, J.. DOI 10.1364/CLEO_AT.2026.ATH2C.3

Long-wave infrared Fourier transform spectroscopy with enhanced and scalable sensitivity Arxiv, 2026. Vasilyev, S., Krebbers, R., Konnov, D., Walsh, M., Moskalev, I., Mirov, M., Muraviev, A., Genest, J., Vodopyanov, K., Cristescu, S.M.. DOI 10.48550/arXiv.2604.11622

Dual-Comb Spectrometer for Fast Nonintrusive Diagnostics of Complex Molecular Systems CLEO Applications and Technology Proceedings CLEO 2026, 2026. Vasilyev, S., Konnov, D., Moskalev, I., Mirov, M., Muraviev, A., Walsh, M., Genest, J., Vodopyanov, K.. DOI 10.1364/CLEO_AT.2026.ATH2B.6

Visible Dual-Comb Spectroscopy Across 100 THz with Lithium Niobate Nanophotonic Waveguides Nonlinear Optics Proceedings Optica Nonlinear Optics 2025, 2025. Mashburn, C., Chang, K.F., Wu, T.-H., Walsh, M., Herman, D.I., Hoghooghi, N., Sekine, R., Ledzma, L., Marandi, A., Genest, J., Diddams, S..

Systems for Dual-Comb Spectroscopy to a Tethered Balloon Quantum Sensing and Metrology Proceedings Optica Sensing Congress 2025, 2025. Ding, R., Kasic, J.F., Ruiz, C.A., Urayama, J., Christensen, A., Walsh, M., Peterson, B.L., Longbottom, C.M., De Smet, D.J., Van Tassle, A.J., Cossel, K.C., Genest, J., Dexheimer, D.N., Coddington, I.R., Schwindt, P.D.D.. DOI 10.1364/AIS.2025.jth1a.7

Squeezing in a dual-comb centerburst CLEO Fundamental Science Proceedings CLEO 2025, 2025. Herman, D.I., Kreider, M.K., Lordi, N., Walsh, M., Lind, A.J., Tsao, E.J., Heyrich, M., Combes, J., Diddams, S.A., Genest, J.. DOI 10.1364/CLEO_FS.2025.FF104_3

Squeezed dual-comb spectroscopy Science, 2025. Herman, D.I., Walsh, M., Kreider, M.K., Lordi, N., Tsao, E.J., Lind, A.J., Heyrich, M., Combes, J., Genest, J., Diddams, S.A.. DOI 10.1126/science.ads6292

Real-time squeezed dual-comb spectroscopy European Quantum Electronics Conference in Proceedings Conference on Lasers and Electro Optics Europe CLEO Europe 2025 and European Quantum Electronics Conference Eqec 2025, 2025. Walsh, M., Kreider, M.K., Herman, D.I., Heyrich, M., Diddams, S.A., Genest, J.. DOI 10.1109/cleo/europe-eqec65582.2025.11111378

Power-Dependent Squeezing in Dual-Comb Interferometry Quantum Sensing and Metrology Proceedings Optica Sensing Congress 2025, 2025. Kreider, M.K., Herman, D.I., Lordi, N., Walsh, M., Tsao, E.J., Lind, A.J., Heyrich, M., Combes, J., Diddams, S.A., Genest, J.. DOI 10.1364/qsm.2025.qm2b.3

Open-Path Mid-Infrared Dual-Comb Spectroscopy Across Salt Lake City, UT 2025 Conference on Lasers and Electro Optics CLEO 2025, 2025. Rhoades, R.T., Sweet, N., Jenkins, G., Walsh, M., Genest, J., Washburn, B., Coddington, I., Cossel, K.. DOI 10.1364/cleo_at.2025.aa130_1

Open-Path Dual-Comb Spectroscopy of CH4 and CO2 over multiple months in Salt Lake City Optical Sensors Proceedings Optica Sensing Congress 2025, 2025. Cossel, K.C., Rhoades, R., Kasic, J., Sweet, N., Jenkins, G., Walsh, M., Genest, J., Washburn, B.R., Coddington, I.. DOI 10.1364/sensors.2025.sw1d.5

Multiplexed Electro-Optical Dual-Comb Spectroscopy Optical Sensors Proceedings Optica Sensing Congress 2025, 2025. Herman, D.I., Ding, R., Cossel, K.C., Coddington, I., Kasic, J.F., Walsh, M., Genest, J., Schwindt, P.D.D.. DOI 10.1364/sensors.2025.stu1d.1

Multi-Month Observations of CH4 and CO2 Over km-scale Paths in Salt Lake City with Open-Path Dual-Comb Spectroscopy CLEO Applications and Technology Proceedings CLEO 2025, 2025. Cossel, K.C., Rhoades, R., Kasic, J., Sweet, N., Jenkins, G., Walsh, M., Genest, J., Washburn, B.R., Coddington, I.. DOI 10.1364/cleo_at.2025.aa130_2

Mobile-Target DCS Enables Vertical Path Greenhouse Gas Measurements Reaching 1 km Above Ground Level 2025 Conference on Lasers and Electro Optics CLEO 2025, 2025. Kasic, J.F., Walsh, M., Cossel, K.C., Dexheimer, D.N., Ding, R., Ruiz, C., Van Tassle, A., Urayama, J., Genest, J., Schwindt, P., Coddington, I.R.. DOI 10.1364/cleo_at.2025.aa132_5

ML-enabled High-speed Dual-Comb Spectrometer for N2O Detection in the Long-Wave Infrared Region 2025 Conference on Lasers and Electro Optics CLEO 2025, 2025. Wang, Z., Sy, M., Ahmad, S.T., Moretti, L., Walsh, M., Gatti, D., Genest, J., Marangoni, M., Farooq, A.. DOI 10.1364/cleo_at.2025.aa130_4

High-Resolution Multispecies Analysis Using Mid-IR Dual-Comb Spectroscopy via Difference Frequency Generation Frontiers in Optics Fio 2025 in Proceedings Frontiers in Optics Laser Science 2025 Fio Ls Part of Frontiers in Optics Laser Science 2025, 2025. Ahmad, S.T., Wang, Z., Elkhazraji, A., Moretti, L., Walsh, M., Gatti, D., Genest, J., Marangoni, M., Farooq, A.. DOI 10.1364/FIO.2025.FTH1D.3

High Performance Dual Comb Spectroscopy Based on Low Noise Cr:ZnS Laser Combs combined with Real-Time Computational Correction Applications of Lasers for Sensing and Free Space Communications Proceedings Optica Laser Congress 2025, 2025. Mirov, M., Vasilyev, S., Moskalev, I., Barnakov, Y., Muraviev, A., Konnov, D., Krebbers, R., Walsh, M., Genest, J., Cristescu, S.M., Vodopyanov, K.. DOI 10.1364/LSC.2025.LSTU1C.4

Ground-to-Balloon Dual-Comb Spectroscopy Measurements of Trace Gasses in the Planetary Boundary Layer Optical Sensors Proceedings Optica Sensing Congress 2025, 2025. Kasic, J.F., Ding, R., Walsh, M., Ruiz, C., Urayama, J., Christensen, A., Peterson, B.L., Longbottom, C.M., De Smet, D.J., Van Tassle, A.J., Cossel, K.C., Genest, J., Dexheimer, D.N., Coddington, I.R., Schwindt, P.D.. DOI 10.1364/sensors.2025.sw1d.1

Finding and minimizing systematic errors in dual-comb spectroscopy Journal of Physics B Atomic Molecular and Optical Physics, 2025. Walsh, M., Guay, P., Deschênes, J.D., Malarich, N., Coddington, I., Cossel, K., Genest, J.. DOI 10.1088/1361-6455/adac94

Evaluating CO2 and CH4 absorption models with open-path dual-comb spectroscopy at the mauna loa observatory Journal of Quantitative Spectroscopy and Radiative Transfer, 2025. Malarich, N., Giorgetta, F.R., Mead, G., Baumann, E., Genest, J., Newbury, N.R., Coddington, I., Cossel, K.C.. DOI 10.1016/j.jqsrt.2025.109567

Quantum-Enhanced Dual-Comb Spectroscopy Beyond the Shot Noise Limit Optica Imaging Congress 2024 (3D, AOMS, COSI, ISA, pcAOP), 2024. Daniel I. Herman, Mathieu Walsh, Molly Kate Kreider, Noah Lordi, Eugene J. Tsao, Alexander J. Lind, Matthew Heyrich, Joshua Combes, Jérôme Genest, Scott A. Diddams. DOI 10.1364/3d.2024.jtu5a.3

Pulse interaction induced systematic errors in dual comb spectroscopy Optics Express, 2024. Walsh, M., Baumann, E., Malarich, N., Egbert, S., Cole, R.K., Rieker, G.B., Newbury, N.R., Coddington, I., Cossel, K., Genest, J.. DOI 10.1364/OE.523623

Mode-resolved optical frequency comb fixed point localization via dual-comb interferometry Optics Letters, 2024. Herman, D.I., Walsh, M., Genest, J.. DOI 10.1364/OL.542464

Mode-Resolved Measurement of the Frequency Comb Fixed Point Using Dual-Comb Interferometry Frontiers in Optics + Laser Science 2024 (FiO, LS), 2024. Daniel I. Herman, Mathieu Walsh, Jérôme Genest. DOI 10.1364/fio.2024.fth1c.1

Mid-infrared Dual-comb Spectroscopy using Difference Frequency Generation for SO2 Gas Detection Optica Sensing Congress 2024 (AIS, LACSEA, Sensors, QSM), 2024. Syed Tajammul Ahmad, Luca Moretti, Mathieu Walsh, Davide Gatti, Jerome Genest, Marco Marangoni, Aamir Farooq. DOI 10.1364/lacsea.2024.ltu1f.6

Kerr squeezing across a full Nyquist window with a 1 GHz frequency comb Frontiers in Optics + Laser Science 2024 (FiO, LS), 2024. Daniel I. Herman, Molly Kate Kreider, Mathieu Walsh, Alexander J. Lind, Noah Lordi, Eugene J. Tsao, Matthew Heyrich, Joshua Combes, Jérôme Genest, Scott A. Diddams. DOI 10.1364/ls.2024.ltu6f.2

Graphics card-based real-time processing for dual comb interferometry Review of Scientific Instruments, 2024. Walsh, M., Kasic, J., Cossel, K., Genest, J.. DOI 10.1063/5.0222548

Fast rate dual-comb spectrometer in the water-transparent 7.5–11.5 µm region Optics Letters, 2024. Moretti, L., Walsh, M., Abualsaud, N., Gatti, D., Lamperti, M., Genest, J., Farooq, A., Marangoni, M.. DOI 10.1364/OL.515199

Chasing systematic errors in dual comb spectroscopy 2024 Conference on Lasers and Electro Optics CLEO 2024, 2024. Genest, J., Walsh, M., Coddington, I., Malarich, N., Cossel, K.. DOI 10.1364/cleo_at.2024.am4h.3

Unlocking a lower shot noise limit in dual-comb interferometry APL Photonics, 2023. Walsh, M., Guay, P., Genest, J.. DOI 10.1063/5.0153724

Sub-centimeter spatial resolution dynamic strain sensing using time-expanded ϕOTDR Proceedings of SPIE the International Society for Optical Engineering, 2023. Soriano-Amat, M., Guay, P., Martins, H.F., Martin-Lopez, S., Gonzalez-Herraez, M., Genest, J., del Rosario Fernández-Ruiz, M.. DOI 10.1117/12.2678093

Removing biases in dual frequency comb spectroscopy due to digitizer nonlinearity Optics Express, 2023. Malarich, N.A., Cossel, K.C., Deschenes, J.-D., Giorgetta, F.R., Washburn, B.R., Newbury, N.R., Genest, J., Coddington, I.. DOI 10.1364/OE.497497

Removing Bias in Dual-Comb Spectroscopy from Pipeline Analog to Digital Converter Conversion Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES), 2023. Nathan A. Malarich, Fabrizio Giorgetta, Kevin Cossel, Brian R. Washburn, Jerome Genest, Nathan Newbury, Ian Coddington. DOI 10.1364/AIS.2023.JW2A.22 DOI 10.1364/HMISE.2023.JW2A.22

Reconsidering shot noise in dual-comb spectroscopy Optical Sensors Proceedings Optica Sensing Congress 2023 Ais Fts Hise Sensors Es 2023, 2023. Walsh, M., Genest, J.. DOI 10.1364/ais.2023.jm2b.6

Reconciling Cepstral and Spectral spectroscopic fits Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES), 2023. Mathieu Walsh, Nathan Malarich, Fabrizio R. Giorgetta, Ian Coddington, Jérôme Genest. DOI 10.1364/AIS.2023.JM2B.3 DOI 10.1364/HMISE.2023.JM2B.3

Phase-noise compensation in high-resolution φOTDR Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES), 2023. Miguel Soriano-Amat, Philippe Guay, Hugo. F. Martins, Sonia Martin-Lopez, Miguel Gonzalez- Herraez, María R. Fernández-Ruiz, Jerome Genest. DOI 10.1364/sensors.2023.stu2c.2

Mode-resolved, shot noise limited, dual-comb spectroscopy with independent free running lasers Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES), 2023. Mathieu Walsh, Peter Chang, Florian Emaury, Gregory Rieker, Nathan Newbury, Fabrizio Giorgetta, Scott Diddams, Jérôme Genest. DOI 10.1364/HMISE.2023.JTh1A.1 DOI 10.1364/ais.2023.jth1a.1

Millimetric spatial resolution time-expanded ϕ-OTDR APL Photonics, 2023. Soriano-Amat, M., Guay, P., Martins, H.F., Martin-Lopez, S., Gonzalez-Herraez, M., Fernández-Ruiz, M.R., Genest, J.. DOI 10.1063/5.0150991

Linear dual-comb interferometry at high power levels Optics Express, 2023. Guay, P., Walsh, M., Tourigny-Plante, A., Genest, J.. DOI 10.1364/OE.481671

Dual-comb spectroscopy in the water-transparent 8-12 μm region 2023 Conference on Lasers and Electro Optics Europe and European Quantum Electronics Conference CLEO Europe Eqec 2023, 2023. Moretti, L., Walsh, M., Gatti, D., Lamperti, M., Genest, J., Farooq, A., Marangoni, M.. DOI 10.1109/CLEO/EUROPE-EQEC57999.2023.10232744

Reaching the True Shot-Noise-Limited Phase Sensitivity in Self-Heterodyne Interferometry IEEE Journal of Quantum Electronics, 2022. Michaud-Belleau, V., Deschenes, J.-D., Genest, J.. DOI 10.1109/JQE.2022.3141056

Linear detection of 30 mW dual-comb interferograms Arxiv, 2022. Guay, P., Walsh, M., Tourigny-Plante, A., Genest, J.. DOI 10.48550/arXiv.2206.14064

Fundamental thermal noise in antiresonant hollow-core fibers Physical Review A, 2022. Michaud-Belleau, V., Numkam Fokoua, E.R., Horak, P., Wheeler, N.V., Rikimi, S., Bradley, T.D., Richardson, D.J., Poletti, F., Genest, J., Slavík, R.. DOI 10.1103/PhysRevA.106.023501

Dataset for article: 'Fundamental thermal noise in antiresonant hollow-core fibers' 2022. Vincent Michaud-Belleau, Eric Numkam Fokoua, Peter Horak, Natalie Wheeler, Shuichiro Rikimi, Thomas D. Bradley, David Richardson, Francesco Poletti, Jerome Genest, Radan Slavik. DOI 10.5258/SOTON/D2301

Correcting spectral baseline fluctuations in dual-comb interferometry Optics Letters, 2022. Walsh, M., Tourigny-Plante, A., Guay, P., Fdil, K., Genest, J.. DOI 10.1364/OL.442748

Addressing asymmetric Fano profiles on molecular lines in dual-comb spectroscopy Optics Letters, 2022. Guay, P., Walsh, M., Genest, J.. DOI 10.1364/OL.469102

Widely tunable silicon-fiber laser at 2 μm Optics Letters, 2021. Vallee, J.-M., Jean, P., Guay, P., Fortin, V., Genest, J., Bernier, M., Shi, W.. DOI 10.1364/OL.433988

Understanding photodetector nonlinearity in dual-comb interferometry arXiv, 2021. Guay, P., Tourigny-Plante, A., Michaud-Belleau, V., Hébert, N.B., Gouin, A., Genest, J..

Understanding photodetection nonlinearity in dual-comb interferometry OSA Continuum, 2021. GUAY, P., TOURIGNY-PLANTE, A., MICHAUD-BELLEAU, V., HEBERT, N.B., GOUIN, A., GENEST, J.. DOI 10.1364/OSAC.435015

Theoretical analysis of backscattering in hollow-core antiresonant fibers APL Photonics, 2021. Numkam Fokoua, E., Michaud-Belleau, V., Genest, J., Slavík, R., Poletti, F.. DOI 10.1063/5.0057999

Photodetector nonlinearity in dual-comb interferometry Optics InfoBase Conference Papers, 2021. Guay, P., Hébert, N.B., Tourigny-Plante, A., Michaud-Belleau, V., Genest, J..

Frequency noise study in a silicon Raman laser 2021 IEEE Photonics Conference IPC 2021 Proceedings, 2021. Ahmadi, M., Michaud-Belleau, V., Genest, J., Shi, W., Larochelle, S.. DOI 10.1109/IPC48725.2021.9593059

Dataset for article: 'Backscattering in antiresonant hollow-core fibers: over 40 dB lower than in standard optical fibers' 2021. Vincent Michaud-Belleau, Eric Rodrigue Numkam Fokoua, Thomas Bradley, John Richard Hayes, Yong Chen, Francesco Poletti, David Richardson, Jérôme Genest, Radan Slavik. DOI 10.5258/SOTON/D1693

Dataset for "Theoretical analysis of backscattering in hollow-core antiresonant fibers" 2021. Eric Numkam Fokoua, Vincent Michaud-Belleau, Jérôme Genest, Radan Slavik, Francesco Poletti. DOI 10.5258/SOTON/D1932

Correcting photodetector nonlinearity in dual-comb interferometry OPTICS EXPRESS, 2021. DOI 10.1364/OE.435701

Comb- locked telecom-grade tunable laser using a low-cost FPGA-based lockbox 2021 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO), 2021.

Balanced photodetectors nonlinearity for short-pulse regime Arxiv, 2021. Guay, P., Genest, J.. DOI 10.48550/arxiv.2105.15192

Balanced photodetector nonlinearity for the short-pulse regime Applied Optics, 2021. Guay, P., Genest, J.. DOI 10.1364/AO.430326

Backscattering in antiresonant hollow-core fibers: Over 40 dB lower than in standard optical fibers Optica, 2021. Michaud-Belleau, V., Fokoua, E.N., Bradley, T.D., Hayes, J.R., Chen, Y., Poletti, F., Richardson, D.J., Genest, J., Slavik, R.. DOI 10.1364/OPTICA.403087