Prof. Goëry Genty Profile

Prof. Goëry Genty

at Tampere Univ

SPIE Involvement:

Conference Program Committee | Author

Publications (35)

Proceedings Article | 13 March 2024 Presentation + Paper

Autoencoders for compressive sampling in a high-dimensional ultra-fast optical system

M. Hary, A. Skalli, J. Dudley, D. Brunner, G. Genty

Proceedings Volume 12903, 129030P (2024) https://doi.org/10.1117/12.3003207

KEYWORDS: Ultrafast phenomena, Machine learning, Neural networks, Fiber lasers, Photonics, Data modeling, Pulsed laser operation, Neurons

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Proceedings Article | 28 September 2023 Presentation

Machine learning applications to ultrafast nonlinear dynamics in optical fibers

Goëry Genty

Proceedings Volume PC12655, PC126550H (2023) https://doi.org/10.1117/12.2678406

KEYWORDS: Ultrafast phenomena, Nonlinear dynamics, Machine learning, Optical fibers, Numerical simulations, Nonlinear optimization, Nonlinear control, Neural networks, Evolutionary algorithms, Control systems

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Proceedings Article | 20 September 2023 Paper

In situ industrial process monitoring using a broadband lidar

Abba Saleh, Goery Genty, Juha Toivonen

Proceedings Volume 12607, 1260705 (2023) https://doi.org/10.1117/12.3005525

KEYWORDS: Combustion, LIDAR, Temperature metrology, Backscatter, Aerosols, Signal detection, Interference filters, Tunable filters, Supercontinuum generation, Spatial resolution

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Proceedings Article | 17 March 2023 Presentation

Applications of artificial intelligence to nonlinear fiber-optics

Goëry Genty, Lauri Salmela, Mathilde Hary, Mehdi Mabed, Andrei Ermolaev, John Dudley

Proceedings Volume PC12438, PC124380L (2023) https://doi.org/10.1117/12.2650072

KEYWORDS: Fiber optics, Artificial intelligence, Machine learning, Solitons, Optical fibers, Nonlinear optics, Supercontinuum generation, Numerical integration, Neural networks, Multimode fibers

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Proceedings Article | 30 May 2022 Presentation

Recent progress in fiber-based supercontinuum sources

Thibaut Sylvestre, Etienne Genier, Amar Ghosh, Patrick Bowen, Goery Genty, Johann Troles, Arnaud Mussot, Anna Peacock, Mariusz Klimczak, Alexander Heidt, John Travers, Ole Bang, John Dudley

Proceedings Volume PC12142, PC121420R (2022) https://doi.org/10.1117/12.2622303

KEYWORDS: Ultraviolet radiation, Supercontinuum sources, Mid-IR, Supercontinuum generation, Specialty optical fibers, Silicon, Optical fibers, Chalcogenides

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Proceedings Article | 1 April 2022 Presentation

Two-octave spanning supercontinuum generation in a lead-bismuth-gallate graded-index multimode ﬁber

Zahra Eslami, Lauri Salmela, Adam Filipkowski, Dariusz Pysz, Mariusz Klimczak, Ryszard Buczynski, John Dudley, Goëry Genty

Proceedings Volume PC11987, PC1198708 (2022) https://doi.org/10.1117/12.2608965

KEYWORDS: Supercontinuum generation, GRIN lenses, Multimode fibers, Visible radiation, Silica, Photonics, Numerical simulations, Nanostructuring, Nanolithography, Glasses

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Proceedings Article | 1 April 2022 Presentation

Real-time measurements of incoherent instabilities and rogue waves in an extreme broadband dissipative soliton laser

Fanchao Meng, Coraline Lapre, Cyril Billet, Thibault Sylvestre, Jean-Marc Merolla, Christophe Finot, Sergei Turitsyn, Goëry Genty, John Dudley

Proceedings Volume PC11986, PC1198604 (2022) https://doi.org/10.1117/12.2609307

KEYWORDS: Solitons, Pulsed laser operation, Computer simulations, Supercontinuum generation, Pollution control, Physics, Photonics, Optical simulations, Optical fibers, Nonlinear optics

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Proceedings Article | 1 April 2022 Presentation

Full-field real-time measurement of modulation instability induced ultrafast soliton fission

Francesca Gallazzi, Shanti Toenger, John Dudley, Goëry Genty

Proceedings Volume PC11986, PC1198609 (2022) https://doi.org/10.1117/12.2608678

KEYWORDS: Modulation, Ultrafast phenomena, Solitons, Ultrafast measurement systems, Phase shift keying, Dispersion, Temporal resolution, Spectroscopy, Spectral resolution, Picosecond phenomena

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Proceedings Article | 9 March 2022 Presentation

Neural network prediction of supercontinuum generation dynamics

Lauri Salmela, Mathilde Hary, John Dudley, Goëry Genty

Proceedings Volume PC12019, PC120190Y (2022) https://doi.org/10.1117/12.2608549

KEYWORDS: Neural networks, Supercontinuum generation, Process modeling, Ultrafast phenomena, Solitons, Optical fibers, Numerical simulations, Numerical integration, Nonlinear optics, Nonlinear dynamics

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Proceedings Article | 9 March 2022 Presentation

Machine learning control of nonlinear fiber dynamics

Mathilde Hary, Lauri Salmela, Mehdi Mabed, John Dudley, Goëry Genty

Proceedings Volume PC12019, PC120190Z (2022) https://doi.org/10.1117/12.2609474

KEYWORDS: Nonlinear control, Machine learning, Optical fibers, Nonlinear optics, Ultrafast phenomena, Optical parametric oscillators, Optical filters, Optical components, Nonlinear dynamics, Neural networks

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Proceedings Article | 7 March 2022 Presentation

Machine learning for ultrafast photonics applications: from nonlinear instabilities to broadband supercontinuum generation

Goëry Genty

Proceedings Volume PC11999, PC119990E (2022) https://doi.org/10.1117/12.2611092

KEYWORDS: Supercontinuum generation, Ultrafast phenomena, Machine learning, Photonics, Nonlinear optics, Structured optical fibers, Solitons, Optical fibers, Numerical integration, Neural networks

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Proceedings Article | 8 March 2021 Presentation

Predicting ultrafast nonlinear dynamics in optical fiber using neural networks

Goëry Genty, Lauri Salmela, John Dudley

Proceedings Volume 11665, 116650K (2021) https://doi.org/10.1117/12.2588429

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Proceedings Article | 5 March 2021 Presentation

Deep learning for new insights into ultrafast dynamics and extreme events in nonlinear fibre optics

Goery Genty, Lauri Salmela, Alessandro Foi, Juha Toivonen, Mathilde Hary, Mikko Narhi, Medhdi Mabed, Cyril Billet, John Dudley

Proceedings Volume 11703, 1170316 (2021) https://doi.org/10.1117/12.2576979

KEYWORDS: Nonlinear optics, Ultrafast phenomena, Fiber optics, Solitons, Neural networks, Supercontinuum generation, Physics, Numerical simulations, Numerical integration, Modulation

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Proceedings Article | 5 March 2021 Presentation

Full-field prediction of supercontinuum generation dynamics

Lauri Salmela, Mathilde Hary, John Dudley, Goëry Genty

Proceedings Volume 11703, 1170314 (2021) https://doi.org/10.1117/12.2577593

KEYWORDS: Supercontinuum generation, Neural networks, Ultrafast phenomena, Nonlinear dynamics, Optical design, Machine learning

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Proceedings Article | 1 April 2020 Presentation

Low noise mid-infrared supercontinuum generation in multimode chalcogenide fiber (Conference Presentation)

Zahra Eslami, Piotr Ryczkowski, Lauri Salmela, Goery Genty

Proceedings Volume 11358, 1135813 (2020) https://doi.org/10.1117/12.2555419

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Supercontinuum light (SC) is a broadband source with unique properties as the result of cascaded nonlinear dynamics when intense light propagates in a nonlinear material [1]. Recently, the generation of broadband SC sources operating in the mid-infrared (MIR) has attracted significant interest due to a wide range of potential applications in spectroscopy [2], microscopy, molecular fingerprinting [3], environmental monitoring and LIDAR [4], just to name a few. Fibers made of non-silica soft glasses such as fluoride, tellurite and chalcogenide are good candidates for SC generation in the MIR due to their high intrinsic nonlinearity and wide transparency window in this wavelength range. Supercontinuum generation in the MIR is typically achieved by propagating femtosecond pulses into the anomalous dispersion regime of a single-mode soft glass fibers. This typically leads to SC sources which are limited in terms of average power due to the low damage threshold associated with soft glasses and susceptible to noise due to the anomalous pump regime. These inherent limitations can be detrimental for many applications such as e.g. optical coherence tomography (OCT), photoacoustic imaging [5], or spectroscopy where the performance critically depends on the power and noise properties of the light source. In this work, we demonstrate for the first time the generation of a low noise high power SC in the MIR by injecting 350 fs pulses from an optical parametric amplifier into the normal dispersion regime of a one meter-long multimode step-index chalcogenide fiber with 100 µm core diameter. We show the generation of SC spanning from 1700 nm to 4800 nm for a pump wavelength at 3500 nm (located in normal dispersion regime of the used fiber) and an input peak power of 570 kW. A systematic study of the SC intensity noise is performed as a function of different pump parameters and for different output wavelengths show that the initial fluctuations on the pump laser are at most amplified by a factor of 2 at the spectral edge of the SC. Although the output beam in this case is multimoded, it can still be used for many practical applications such as long-distance remote sensing for which high power and low noise are more essential than the actual beam profile quality. Our results open novel perspective for the generation of high power low-noise broadband light sources in the MIR.

Proceedings Article | 1 April 2020 Presentation + Paper

Reproducing complex explosion and intermittence dynamics in a dissipative soliton laser using a scalar iterative map

Fanchao Meng, Coraline Lapre, Cyril Billet, Goëry Genty, John Dudley

Proceedings Volume 11358, 113580X (2020) https://doi.org/10.1117/12.2554753

KEYWORDS: Molecules, Solitons, Picosecond phenomena, Pulsed laser operation, Molecular lasers, Laser resonators, Molecular interactions, Mode locking, Single mode fibers, Optical filters

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Proceedings Article | 1 April 2020 Presentation

Real-time measurement of soliton-similariton explosions and intermittence instabilities in a mode-locked fibre laser (Conference Presentation)

Coraline Lapre, Cyril Billet, Fanchao Meng, Piotr Ryczkowski, Thibaut Sylvestre, Christophe Finot, Goery Genty, John Dudley

Proceedings Volume 11358, 113580P (2020) https://doi.org/10.1117/12.2554699

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Ultrafast mode-locked lasers are well-known to display a rich variety of unstable dissipative soliton dynamics resulting from the interplay of nonlinearity, dispersion and dissipation. Although laser instabilities have been known and studied in depth for many years, their properties have recently received greatly renewed attention because of the development of time and frequency domain techniques that allow laser dynamics and instabilities to be measured in real-time. This has allowed the variations in circulating pulse characteristics to be examined on a roundtrip to roundtrip basis, providing a new window into understanding these instabilities and how they develop based on the cavity configuration being used. A technique of this kind that has proven both straightforward to implement and powerful is the photonic time stretch or dispersive Fourier transform (DFT) which has been used in a number of important applications including the measurement of soliton rogue waves, modulation instability and supercontinuum noise. The DFT allows direct access to shot-to-shot measurement of the mode-locked fibre laser spectrum and, via computation of the associated autocorrelation function, can also provide complementary time-domain information in cases where multiple pulse states are observed. In this paper, we report results of DFT measurements which have been used to reveal previously unreported behavior in a mode-locked fiber laser designed to operate with soliton-similariton dynamics. In particular, we observe instabilities including soliton explosions, chaotic evolution and oscillation in the relative phase of bound-state multi-pulse molecules, and what we believe to be a previously-unobserved regime of operation associated with the intermittent appearance of short-lived stable single pulses within of otherwise chaotic dynamics. Our results - obtained in a laser believed to be a particularly stable design - suggest that instabilities such as soliton explosions and intermittence are a universal feature of dissipative soliton systems transitioning from noise to stability.

Proceedings Article | 1 April 2020 Presentation

Predicting optical rogue solitons in supercontinuum generation using machine learning (Conference Presentation)

Lauri Salmela, Coraline Lapre, John Dudley, Goëry Genty

Proceedings Volume 11358, 113580J (2020) https://doi.org/10.1117/12.2555385

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Proceedings Article | 11 March 2020 Presentation

Short-range supercontinuum Lidar for combustion diagnostics (Conference Presentation)

Abba Saleh, Piotr Ryczkowski, Goery Genty, Juha Toivonen

Proceedings Volume 11260, 1126015 (2020) https://doi.org/10.1117/12.2545840

KEYWORDS: Combustion, LIDAR, Signal detection, Absorption, Absorption spectroscopy, Spatial resolution, Nonlinear optics, Fiber optics, Light emitting diodes, Light sources

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Proceedings Article | 9 March 2020 Presentation

Instabilities in fiber-optics systems: from real-time measurements to machine learning (Conference Presentation)

Goëry Genty, John Dudley, Piotr Ryczkowski, Lauri Salmela, Cyril Billet, Coraline Lapre

Proceedings Volume 11265, 1126505 (2020) https://doi.org/10.1117/12.2547537

KEYWORDS: Machine learning, Fiber optics tests, Fiber optics, Ultrafast phenomena, Ultrafast measurement systems, Fourier transforms, Spectral resolution, Modulation, Supercontinuum generation

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Proceedings Article | 12 November 2019 Paper

Short-range supercontinuum based lidar for combustion diagnostics

Abba Saleh, Piotr Ryczkowski, Goery Genty, Juha Toivonen

Proceedings Volume 11197, 111970Y (2019) https://doi.org/10.1117/12.2542720

KEYWORDS: Combustion, LIDAR, Signal detection, Absorption, Absorption spectroscopy, Spatial resolution, Nonlinear optics, Fiber optics, Light emitting diodes, Light sources

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Proceedings Article | 4 March 2019 Presentation

Predicting extreme events and statistics in modulation instability using machine learning (Conference Presentation)

Goëry Genty, Lauri Salemla, Mikko Närhi, Cyril Billet, Juha Toivonen, John Dudley

Proceedings Volume 10903, 1090303 (2019) https://doi.org/10.1117/12.2507963

KEYWORDS: Modulation, Machine learning, Data modeling, Nonlinear optics, Interference (communication), Fourier transforms, Neural networks, Numerical simulations, Systems modeling, Chaos

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Proceedings Article | 4 March 2019 Presentation

Ghost imaging in the spectral domain (Conference Presentation)

Goëry Genty, Caroline Amiot, Piotr Ryczkowski, Ari Friberg, John Dudley

Proceedings Volume 10903, 109030C (2019) https://doi.org/10.1117/12.2507972

KEYWORDS: Signal detection, Light sources, Ultrafast imaging, Ultrafast measurement systems, Sensors, Image resolution, Beam shaping, Photons, Picosecond phenomena, Optical testing

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Proceedings Article | 14 March 2018 Presentation

Real-time full field measurements of transient dissipative soliton dynamics in a passively mode-locked laser (Conference Presentation)

Piotr Ryczkowski, Mikko Närhi, Cyril Billet, Jean-Marc Merolla, Goëry Genty, John Dudley

Proceedings Volume 10517, 1051705 (2018) https://doi.org/10.1117/12.2289650

KEYWORDS: Solitons, Fiber lasers, Fourier transforms, Time metrology, Spectral resolution, Temporal resolution, Phase retrieval, Reconstruction algorithms, Phase measurement, Molecules

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Proceedings Article | 21 April 2017 Presentation

Real time measurements of spontaneous breathers generated by modulation instability in optical fibre (Conference Presentation)

John Dudley, Mikko Närhi, Benjamin Wetzel, Cyril Billet, Jean-Marc Merolla, Shanti Toenger, Thibaut Sylvestre, Roberto Morandotti, Goëry Genty, Frédéric Dias

Proceedings Volume 10089, 1008906 (2017) https://doi.org/10.1117/12.2250046

KEYWORDS: Modulation, Time metrology, Complex systems, Optical fibers, Physics, Nonlinear optics, Systems modeling, Fiber optics, Plasmas, Ultrafast phenomena

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Proceedings Article | 21 April 2017 Presentation

Wavelength-multiplexed ghost imaging in time (Conference Presentation)

Piotr Ryczkowski, Goëry Genty, Margaux Barbier, Ari Friberg, John Dudley

Proceedings Volume 10089, 100890M (2017) https://doi.org/10.1117/12.2252309

KEYWORDS: Multiplexing, Light sources, Optical filters, Optical imaging, Image transmission, Ultrafast imaging, Computer programming, Real time imaging, Light emitting diodes, Electrooptic modulators

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Proceedings Article | 1 May 2014 Paper

Controlling modulation instability using an incoherent low amplitude seed

Thomas Godin, Duc Minh Nguyen, Shanti Toenger, Yves Combes, Benjamin Wetzel, Thibaut Sylvestre, Goëry Genty, Frédéric Dias, John Dudley

Proceedings Volume 9136, 91360N (2014) https://doi.org/10.1117/12.2049722

KEYWORDS: Modulation, Optical fibers, Signal to noise ratio, Picosecond phenomena, Fourier transforms, Dispersion, Nonlinear optics, Optical amplifiers, Continuous wave operation, Numerical simulations

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Proceedings Article | 1 May 2012 Paper

Second-harmonic generation from silicon nitride films

Tingyin Ning, Henna Pietarinen, Outi Hyvärinen, Janne Simonen, Goëry Genty, Martti Kauranen

Proceedings Volume 8424, 84240G (2012) https://doi.org/10.1117/12.922355

KEYWORDS: Second-harmonic generation, Silicon, Silicon films, Polarization, Silica, Dielectric polarization, Thin films, Modulation, Refractive index, Plasma enhanced chemical vapor deposition

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Proceedings Article | 10 May 2011 Paper

Analytical studies of modulation instability and nonlinear compression dynamics in optical fiber propagation

B. Wetzel, M. Erkintalo, G. Genty, F. Dias, K. Hammani, B. Kibler, J. Fatome, C. Finot, G. Millot, N. Akhmediev, J. Dudley

Proceedings Volume 8073, 80732N (2011) https://doi.org/10.1117/12.887455

KEYWORDS: Modulation, Nonlinear optics, Electroluminescent displays, Numerical simulations, Wave propagation, Physics, Analytical research, Optical fibers, Ultrafast phenomena

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Proceedings Article | 22 February 2011 Paper

Rediscovered dynamics of nonlinear fiber optics: from breathers to extreme localisation

Bertrand Kibler, Julien Fatome, Christophe Finot, Kamal Hammani, Guy Millot, Frederic Dias, Goëry Genty, Miro Erkintalo, Nail Akhmediev, Benjamin Wetzel, John Dudley

Proceedings Volume 7917, 79170W (2011) https://doi.org/10.1117/12.874832

KEYWORDS: Nonlinear optics, Solitons, Modulation, Fiber optics, Wave propagation, Physics, Supercontinuum generation, Phase shift keying, Ultrafast phenomena, Continuous wave operation

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Proceedings Article | 22 February 2011 Paper

Failure and limitations of linear Raman gain approximation for fiber supercontinuum generation modelling

Miro Erkintalo, Goëry Genty, Benjamin Wetzel, John Dudley

Proceedings Volume 7917, 791710 (2011) https://doi.org/10.1117/12.874858

KEYWORDS: Raman spectroscopy, Solitons, Raman scattering, Wave propagation, Silica, Supercontinuum generation, Nonlinear optics, Dispersion, Nonlinear response, Terahertz radiation

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Proceedings Article | 5 June 2010 Paper

Akhmediev Breather dynamics and the nonlinear modulation instability spectrum

Goëry Genty, Frederic Dias, Bertrand Kibler, Nail Akhmediev, John Dudley

Proceedings Volume 7728, 772812 (2010) https://doi.org/10.1117/12.854045

KEYWORDS: Solitons, Modulation, Supercontinuum generation, Nonlinear optics, Ocean optics, Turbulence, Numerical simulations, Dispersion, Photonic crystal fibers

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Proceedings Article | 26 February 2010 Paper

Rogue waves in femtosecond supercontinuum generation

M. Erkintalo, G. Genty, J. Dudley

Proceedings Volume 7598, 75981D (2010) https://doi.org/10.1117/12.840964

KEYWORDS: Optical filters, Solitons, Femtosecond phenomena, Modulation, Supercontinuum generation, Linear filtering, Dispersion, Raman spectroscopy, Ocean optics, Optical fibers

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Proceedings Article | 17 February 2010 Paper

Modulation instability, Akhmediev breathers, and rogue waves in nonlinear fiber optics

John Dudley, Goëry Genty, Frederic Dias, Bertrand Kibler, Nail Akhmediev

Proceedings Volume 7580, 758029 (2010) https://doi.org/10.1117/12.841317

KEYWORDS: Modulation, Dispersion, Solitons, Supercontinuum generation, Nonlinear optics, Fiber optics, Ocean optics, Photonic crystal fibers, Numerical simulations

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Proceedings Article | 7 February 2009 Paper

New approaches to supercontinuum control in the long pulse regime

G. Genty, J. Dudley

Proceedings Volume 7212, 72120J (2009) https://doi.org/10.1117/12.814721

KEYWORDS: Modulation, Solitons, Picosecond phenomena, Optical fibers, Wave propagation, Dispersion, Raman spectroscopy, Photonic crystal fibers, Femtosecond phenomena, Numerical simulations

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Showing 5 of 35 publications

Conference Committee Involvement (19)

AI and Optical Data Sciences VI

25 January 2025 | San Francisco, California, United States

Real-time Measurements, Rogue Phenomena, and Single-Shot Applications X

25 January 2025 | San Francisco, California, United States

Nonlinear Optics and its Applications 2024

8 April 2024 | Strasbourg, France

Real-time Measurements, Rogue Phenomena, and Single-Shot Applications IX

30 January 2024 | San Francisco, California, United States

AI and Optical Data Sciences V

29 January 2024 | San Francisco, California, United States

Real-time Measurements, Rogue Phenomena, and Single-Shot Applications VIII

1 February 2023 | San Francisco, California, United States

AI and Optical Data Sciences IV

30 January 2023 | San Francisco, California, United States

Nonlinear Optics and its Applications 2022

4 April 2022 | Strasbourg, France

Real-time Measurements, Rogue Phenomena, and Single-Shot Applications VII

26 January 2022 | San Francisco, California, United States

Real-time Measurements, Rogue Phenomena, and Single-Shot Applications VI

6 March 2021 | Online Only, California, United States

Nonlinear Optics and its Applications 2020

6 April 2020 | Online Only, France

Real-time Measurements, Rogue Phenomena, and Single-Shot Applications V

4 February 2020 | San Francisco, California, United States

Real-time Measurements, Rogue Phenomena, and Single-Shot Applications IV

6 February 2019 | San Francisco, California, United States

Nonlinear Optics and its Applications

23 April 2018 | Strasbourg, France

Real-time Measurements, Rogue Phenomena, and Single-Shot Applications III

29 January 2018 | San Francisco, California, United States

Real-time Measurements, Rogue Phenomena, and Single-Shot Applications II

30 January 2017 | San Francisco, California, United States

Nonlinear Optics and its Applications

4 April 2016 | Brussels, Belgium

Real-time Measurements, Rogue Events, and Emerging Applications

15 February 2016 | San Francisco, California, United States

Nonlinear Optics and its Applications

14 April 2014 | Brussels, Belgium

Showing 5 of 19 Conference Committees

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