Scope: The invitation-only workshop will bring together leading world experts in the field of nonlinear optics for informally discussing their recent advances in a rapidly evolving domain of research, that is complex wave phenomena in nonlinear multimode optical fiber and in optical frequency comb systems.

The Venue

Confirmed invited participants:

• Guy Millot, Université de Bourgogne, France
• Alejandro Aceves, Southern Methodist University, USA
• Philip Russell, Max-Planck Institute, Germany
• Lorenzo Pavesi, University of Trento, Italy
• Miro Erkintalo, University of Auckland, New Zealand
• Sergey Turitsyn, Aston University, United Kingdom
• Curtis Menyuk, University of Maryland, USA
• Sergey Babin, Istitute of Automation and Electrometry of the Russian Academy of Sciences, Russia
• Andrea Fratalocchi, King Abdullah University, Saudi Arabia
• Fatkhulla Abdullaev, Physical-Technical Institute of Uzbekistan Academy of Sciences, Uzbekistan
• Costantino De Angelis, University of Brescia, Italy
• Maurizio De Rosa, Istituto Nazionale di Ottica del CNR, Italy
• Juan-Diego Ania-Castanon, Instituto de Optica CSIC, Spain
• Nail Akhmediev, Australian National University, Australia
• Siddharth Ramachandran, Boston University, USA
• Usama Al Khawaja, United Arab Emirates University, UAE
• Goery Genty, Tampere University, Finland
• Roberto Morandotti, INRS, Canada
• Stefan Wabnitz, University of Brescia, Italy
• Sonia Boscolo, Aston University, United Kingdom
• Lei Gao, Chongqing University, China
• Majid Taki, University of Lille, France
• Vincent Couderc, University of Limoges, France
• Philippe Grelu, University of Bourgogne, France
• Eugenio Del Re, Sapienza University of Rome, Italy
• Fabio Baronio, University of Brescia, Italy

Workshop Programme

Tuesday, October 16

8:45-9:00 Stefan Wabnitz: Welcome and introduction

9:00-9:30 Nail Akhmediev, Australian National University, Australia, “Rogue waves in integrable and dissipative systems”

9:30-10:00 Fabio Baronio, University of Brescia, Italy, “Observation of breathers in quadratic crystals”

10:00-10:30 Eugenio Del Re, Sapienza University of Rome, Italy, “Giant response in metastable ferroelectrics: from spatial rogue waves, optical turbulence, recurrences, to ideal imaging and achromatic white-light photonics”

10:30-11:00 Coffee break

11:00-11:30 Lei Gao, Chongqing University, China, “Identification of optical polarization rogue waves”

11:30-12:00 Majid Taki, University of Lille, France, “Complex dynamics induced by interaction of Turing, Hopf, and Wave instabilities in a non-instantaneous Kerr cavity”

12:00-12:30 Round table discussion on optical rogue waves; Moderator: Nail Akhmediev

12:30-14:00 Lunch

16:00-16:30 Andrea Fratalocchi, King Abdullah University, Saudi Arabia: Harnessing broadband light in nanoscale materials via geometrical deformations

16:30-17:00 Costantino De Angelis, University of Brescia, Italy, AlGaAs nonlinear nanophotonics: harmonic generation and photon management at the nanoscale

17:00-17:30 Coffee break

17:30-18:00 Round table discussion on nanophotonics; Moderator: Andrea Fratalocchi

Wednesday, October 17

9:00-9:30 Curtis Menyuk, University of Maryland, USA, Stability and noise in frequency combs: Harnessing the music of the spheres”

9:30-10:00 Maurizio De Rosa, Istituto Nazionale di Ottica del CNR, Italy, Frequency comb generation in quadratically nonlinear optical resonators

10:00-10:30 Lorenzo Pavesi, University of Trento, Italy, Multimodal waveguides: new frequency generations and non-hermitian mode coupling in micro-resonators”

10:30-11:00 Coffee break

11:00-11:30 Miro Erkintalo, University of Auckland, New Zealand, Widely-tunable parametric sidebands in Kerr microresonators

11:30-12:00 Roberto Morandotti, INRS, Canada, Quantum complex states based on integrated frequency combs

12:00-12:30 Round table discussion on nonlinear microresonators & frequency combs; Moderator: Curtis Menyuk

12:30-14:00 Lunch

16:00-16:30 Siddharth Ramachandran, Boston University, USA, and Govind Agrawal, University of Rochester, Soliton Self-Mode Conversion (SSMC): Revisiting ultrashort pulse Raman scattering

16:30-17:00 Coffee break

17:00-20:30 Excursion

20:30-23:00 Social dinner

Thursday, October 18

9:00-9:30 Alejandro Aceves, Southern Methodist University, USA: “Coupled Mode Equations in nonlinear optics and photonics: A mathematical modeling perspective”

9:30-10:00 Fatkhulla Abdullaev, Physical-Technical Institute of Uzbekistan Academy of Sciences, Uzbekistan, “Localized modes and solitons in a non-Hermitian quadratically nonlinear media”

10:00-10:30 Guy Millot, Université de Bourgogne, France, “Intermodal four-wave mixing and modulational instability in multimode fibers”

10:30-11:00 Coffee break

11:00-11:30 Philip Russell, Max-Planck Institute, Germany, “Optomechanics in microstructured fibres”

11:30-12:00 Goery Genty, Tampere University, Finland, “Using machine learning techniques to analyse extreme events in modulation instability from single-shot spectra”

12:00-12:30 Round table discussion on modelling of multimode guided wave devices; Moderator: Alejandro Aceves

12:30-14:00 Lunch

16:00-16:30 Philippe Grelu, University of Bourgogne, France, Complex ultrafast laser dynamics in real time

16:30-17:00 Sonia Boscolo, Aston University, United Kingdom, Breathing dissipative solitons in mode-locked fibre lasers

17:00-17:30 Coffee break

17:30-18:00 Round table discussion on fiber laser dynamics; Moderator: Philippe Grelu

Friday, October 19

9:00-9:30 Sergey Babin, Istitute of Automation and Electrometry of the Russian Academy of Sciences, Russia, “New opportunities of lasing and sensing in multicore and multimode fibers”

9:30-10:00 Juan-Diego Ania-Castanon, Instituto de Optica CSIC, Spain, “Spontaneous pump depolarization in ultralong Raman fibre laser amplifiers”

10:00-10:30 Sergey Turitsyn, Aston University, United Kingdom, Nonlinear communication technologies

10:30-11:00 Coffee break

11:00-11:30 Stefan Wabnitz, University of Brescia, Italy, “Spatial beam self-cleaning in multimode fibers: physical mechanisms”

11:30-12:00 Vincent Couderc, University of Limoges, France, “Kerr beam self-cleaning on higher-order modes”

12:00-12:30 Round table discussion on multimode fiber systems; Moderator: Vincent Couderc.

12:30-14:00 Lunch

16:00-17:00 Round table discussion on future research directions in nonlinear photonics; Moderator: Stefan Wabnitz

17:00-17:30 Coffee break

17:30-17:45 Sergey Turitsyn & Stefan Wabnitz: Conclusions and farewell