Topics CLEO/Europe 2023


Pavel Loiko, CIMAP, Université de Caen Normandie, Caen, France (Chair)

Advances in solid-state lasers: novel solid-state lasers and amplifiers; high-power and high-energy lasers; power-scalable laser architectures; lasers for large-scale facilities; solid-state micro-chip lasers; crystalline waveguide lasers; short-wavelength lasers; up-conversion lasers; mid-infrared lasers; wavelength tuning techniques and tunable lasers; intracavity wavelength conversion; laser resonator design; techniques for thermal management and beam quality control; novel pump sources and pumping configurations; ns-pulse generation; amplitude and frequency stability; advanced laser crystals and ceramics, and glasses; spectroscopic characterization of solid-state gain media; laser characterization and modeling.

CB – Semiconductor Lasers

Mikhail Belkin, Walter Schottky Institute, Munich, Germany (Chair)

New technology, devices and applications; UV lasers, visible lasers, near-infrared lasers; mid to far-infrared semiconductor lasers including W-lasers, quantum cascade and inter-subband lasers; quantum well, wire, dot and dash lasers; high power and high brightness lasers; vertical (extended) cavity surface emitting lasers; optically-pumped semiconductor lasers; photonic crystal semiconductor lasers, micro-cavity lasers, nanolasers, plasmonic lasers, polariton lasers; semiconductor ring lasers; short-pulse generation, mode locking; semiconductor optical amplifiers; new semiconductor laser materials, silicon-based lasers, novel characterization techniques; functional applications, including but not limited to: switching, clock recovery, signal processing; semiconductor lasers in integrated photonic circuits; laser dynamics, synchronization, chaos.

CC – Terahertz Sources and Applications

Juliette Mangeney, Ecole Normale Supérieure, Laboratoire Pierre Aigrain, Paris, France (Chair)

Sources for generating terahertz (far-infrared) radiation in the range from 200 GHz to 100 THz, based on various physical principles including ultrafast time-domain systems, direct generation using terahertz lasers, and sources based on nonlinear optical mixing and laser-created plasmas; applications using terahertz radiation for spectroscopy, nonlinear THz phenomena, sensing, and imaging; advances in terahertz communications; new terahertz measurement techniques and instrumentation, including advances in terahertz imaging, detector technologies, near-field microscopy, terahertz devices and environmental monitoring.

CD – Applications of Nonlinear Optics

Mikko J Huttunen, Tampere University of Technology, Tampere, Finland (Chair)

Novel applications of nonlinear optical phenomena and new devices; nonlinear frequency conversion for the UV, visible and IR; telecommunications applications and all-optical switching; all-optical delay lines and slow light; optical parametric devices such as optical parametric amplifiers and oscillators; nonlinear optics in waveguides and fibres, including photonic crystal structures and microstructured optical fibres; quasi-phasematched materials and devices; novel nonlinear materials; metamaterials and nanostructures; stimulated scattering processes and devices; applications of optical solitons and photorefractives; electro-optic and Kerr devices in crystals and semiconductors; Raman based devices including amplifiers and lasers; nonlinear probing of surfaces; multi-photon imaging and coherent Raman microscopy; quantum oriented applications.

CE – Optical Materials, Fabrication and Characterisation

Stavros Pissadakis, Institute of Electronic Structure and Laser (IESL), Heraklion, Greece (Chair)

Fabrication of optical materials; new crystalline and glass laser materials in bulk, fiber and waveguide geometry; micro- and nano-fabrication and -engineering techniques; heterogeneous integration techniques; optical characterisation of laser and nonlinear materials, micro-structured fibre and photonic crystal waveguides, micro- and nano-crystalline materials, single defect centres, quantum wells, quantum wires and quantum dots, nano-tubes and nano-needles, innovative organic materials.

CF – Ultrafast Optical Technologies

Caterina Vozzi, Politecnico di Milano, Milano, Italy (Chair)

Femtosecond and picosecond pulse generation from solid state, fiber and waveguide sources; mode-locked lasers; few-cycle optical pulses; pulse compression, carrier-envelope phase stabilization and pulse characterization; light waveform synthesis metrology; ultrashort-pulse semiconductor lasers and devices; ultrafast parametric amplifiers and parametric chirped pulse amplifiers; ultrashort-pulse mid-IR generation; supercontinuum generation; dispersion management; ultrafast electro-optics; pulse-shaping; carrier-envelope effects; ultrafast characterization methods and measurement techniques, ultrafast optoelectronic systems and devices; applications of ultrafast technology, technological aspects of ultrafast spectroscopy; ultrafast microscopic techniques; electro-optic sampling.

CG – High-Field Laser and Attosecond Science

Adrian Pfeiffer, Friedrich-Schiller-Universität Jena, Jena, Germany (Chair)

Strong-field and attosecond phenomena; attosecond pulse generation; strong-field ionization and ionization dynamics; novel technologies for high-field physics and attosecond science; probing of ultrafast dynamics with intense free-electron laser pulses; control of high-field and attosecond phenomena; laser-driven rescattering and recollision phenomena; high-harmonic generation; time-resolved XUV/soft x-ray spectroscopy, interferometry and microscopy; attosecond and femtosecond diffraction imaging with electrons or photons; molecular dynamics driven by strong fields or probed by high-field/attosecond methods; attosecond or strong-field driven electron dynamics in the condensed phase, bulk media, nanostructures, quantum-confined structures or at surfaces/interfaces; ultra-high-intensity laser physics and technology; laser-plasma interaction and particle acceleration; relativistic nonlinear optical phenomena.

CH – Optical Sensing and Microscopy

Cristian Focsa, University of Lille, Lille, France (Chair)

Inspection of a wide range of objects, from the macroscopic to the nanometric scale; recent progress in all aspects of optical sensing and metrology, particularly in new photonic sensor technologies and applications ; plasmonic sensors; metamaterial sensors; biosensors; terahertz sensors; new trends in optical remote sensing; fibre sensors using conventional and photonic crystal fibres; active multispectral and hyperspectral imaging; sensor multiplexing; novel spectroscopic techniques, nanospectroscopy; applications and systems; novel measurement methods and devices based on interferometry; holography; diffractometry or scatterometry; critical dimension metrology; multiscale surface metrology; UV and DUV microscopy; resolution enhancement techniques in microscopy; superresolution microscopy inverse problems; active optics; adaptive optics; phase retrieval.

CI – Optical Technologies for Communications and Data Storage

Alessandro Tonello, Université de Limoges, Limoges, France (Chair)

Fibre devices including nonlinear fibre, propagation and polarisation effects, fibre gratings. Semiconductor devices for generation, processing and detection of optical signals. Digital signal processing, forward error correction, nonlinear Fourier transform. Submarine, core and metropolitan transport networks, communication and access networks, datacentre networks. Multi-core, multi-mode fibre for transmission, optical amplification and functions; multi-band optical amplification and transmission. Optical sub-systems including clock recovery, packet/burst switching, advanced modulation formats, radio-over-fibre and microwave photonic technologies, optical regeneration and buffering; holographic and 3D optical data storage, near-field recording and super-resolution

CJ – Fibre and Guided Wave Lasers and Amplifiers

Jayanta Kumar Sahu, University of Southampton, Southampton, United Kingdom (Chair)

Waveguide and fibre laser oscillators and amplifiers including novel waveguide and fibre geometries; power and energy scaling of waveguide and fibre lasers – including beam combination techniques (for both pump and signal beams) and new waveguide coupling approaches; up-conversion lasers; nonlinear frequency conversion and pulse generation and compression; spatio-temporal pulse evolution; advances in fibre waveguide materials; fabrication techniques for doped waveguide and fibre devices; active microstructured fibre and waveguide laser devices; novel waveguide and fibre sources, and beam delivery fibre for industrial applications; nanomaterials and their applications in fibre and guided wave lasers.


Stefano Pelli, CNR-IFAC, Sesto Fiorentino (FI), Italy (Chair)

Nanostructured materials and fabrication techniques for photonic applications; novel phenomena occurring when light is created, transported and detected in environments where either dimensionality or size are reduced and, in particular, when light-matter interaction occurs in regions smaller than or similar to the wavelength of light (nanophotonics). Periodic or quasi-periodic nanostructures (photonic crystals); issues related to order/disorder in nanostructured materials; photonic integrated circuits and applications advancing the integration of photonic devices for biology, lighting, communication, sensing and energy efficiency; optical MEMS; WGM optical resonators; hybrid and 2D nanomaterials including in-/organic nano-layers/wires, nanocrystals and single molecules.

CL – Photonic Applications in Biology and Medicine

Kenneth K. Y. Wong, The University of Hong Kong, Hong Kong, China (Chair)

Emerging concepts in biophotonics: single particle/molecule detection and tracking; spatio-temporal manipulation of light fields for biomedicine; enhanced linear and nonlinear excitation and detection; micro-fluidics, optofluidics and micro-optics; new optical probes for local measurements including organic and inorganic nanoparticles, electric fields and temperature measurements; New routes and modalities for optical detection in biophotonics : spectroscopy; holography, adaptive optics, phase conjugation time reversal; optics in biological media: scattering; coherence; polarization; symmetry and invariance. Advanced light sources and geometries for microscopy, phototherapy, surgery, biomedicine.

CM – Materials Processing with Lasers

Jan Siegel, Instituto de Optica – Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain (Chair)


Fundamentals of laser-materials interactions: phase transformation, chemical reactions, diffusion processes, ablation; high-power laser-materials processing: welding, cutting, surface treatment; thin-film growth: PLD, LCVD, MAPLE; direct write techniques:, 2D and 3D micro/nano structuring, LIFT, near-field techniques; plasma related processes; laser assisted nanosynthesis; femtosecond micromachining; ultrafast laser processing: volume modification, index engineering; laser-assisted manufacturing; additive manufacturing: two-photon polymerization and 3D laser printing.

Topics EQEC 2023

EA – Quantum Optics and Quantum Matter

Sebastian Blatt, MPQ, Garching, Germany (Chair)

Quantum light sources and applications; nonlocality and quantum interference; squeezing and entanglement; quantum correlations, coherence, and measurement; quantum fluid of light; multimode and mesoscopic quantum optics; single photon emission and absorption; quantum optics in cavities; slow light and quantum memories; quantum imaging and quantum lithography; quantum coherent effects in biology; Developments in few- and many-body phenomena with ultracold quantum gases of atoms and molecules; quantum simulation; superfluidity and thermodynamics in Bose and Fermi systems; dipolar physics with atoms and molecules; Efimov physics; atom interferometry; hybrid systems such as cold and trapped ion/atom setups, optomechanical devices.

EB – Quantum Information, Communication, and Sensing

Marco Genovese, INRIM, Turin, Italy (Chair)

Quantum computers and quantum communication systems ; quantum algorithms and communication protocols, quantum simulations, quantum key distribution, quantum logic gates, entanglement distribution and distillation, interfaces between static and flying qubits, quantum memories; integrated quantum devices, quantum nano-mechanics, ion-trap arrays, superconducting structures, quantum dots, cavity QED systems.

EC – Topological States of Light

Stefan Rotter, Vienna University of Technology, Austria (Chair)

Advances in topological photonic lattices, topological edge states, topological pumps, synthetic dimensions, Dirac and Weyl points, topological lasers, topology and disorder, topology in non-Hermitian systems, probes of topological invariants, topological aspects of photonic quasicrystals, nonlinear topological effects, Floquet-topological photonics, spin-orbit coupling in photonic materials, non-reciprocity.

ED – Precision Metrology and Frequency Combs

Marco Marangoni, Politecnico di Milano and Institute of Photonics and Nanotechnology, Milano, Italy (Chair)

Precision interferometry and spectroscopy including frequency combs; quantum metrology; ultimate limitations of measurement precision as imposed by the nature of quanta; tests of fundamental symmetries; definition of basic units; measurement of fundamental constants; applications in different spectral ranges, including mid-infrared.

EE – Ultrafast Optical Science

Jens Biegert, ICFO – The Institute of Photonic Sciences, Castelldefels, Spain (Chair)

Fundamental aspects of ultrafast science in all spectral regimes; propagation and instabilities of ultrashort pulses in linear and nonlinear media, supercontinuum generation, ultrafast filamentation and applications, extreme events, rogue waves and turbulence dynamics; ultrafast spectroscopy of molecules, solids and low dimensional structures; ultrafast phenomena in physics, chemistry and biology; propagation media: gas, liquid, and solid materials; free-space and waveguided geometries; coherent control using femtosecond pulses.

EF – Nonlinear Phenomena, Solitons and Self-organization

Alessia Pasquazi, Loughborough University, Loughborough, United Kingdom (Chair)
Svetlana Gurevich, University of Münster, Münster, Germany (co-Chair)

Nonlinear optical phenomena including dynamics and self-organization; frequency conversion, wave mixing, parametric processes, conservative and dissipative solitons, pattern formation, interaction between disorder and nonlinearities, complex behaviours and statistically heavy-tailed phenomena. Applications of nonlinear phenomena; nonlinear imaging and manipulation, novel optical materials, devices and systems. Fundamental aspects of nonlinear dynamics in single or coupled photonic devices, polariton condensates, micro and nano lasers, photonic crystals, optomechanical systems.

EG – Light-matter Interactions at the Nanoscale

Mathieu Mivelle, Sorbonne University, Paris, France (Chair)

Fundamental aspects of light-matter interactions at the nanoscale: nanoantennas and nanophotonic architectures, classical and quantum models, detection, emission and manipulation of light and/or matter; quantum nano-optics: coherent, quantum and nonlinear optical effects; ultrafast and strong-field phenomena at the nanoscale: interactions with electrons/plasma and their applications, ultrafast dynamics; optical imaging and spectroscopy: nanoscopy, nano-optical forces and tweezers; nano-energy: radiative transfer, photovoltaics and catalysis.

EH – Plasmonics and Metamaterials

Paloma Huidobro, University of Lisbon, Lisbon, Portugal (Chair)

Metal nanophotonics from fundamentals towards applications and including all spectral regimes: plasmonic nanostructures, antennas, cavities and waveguides; metamaterials; hybrid materials; nonlinear structures and effects; active systems, systems with gain.

EI – Two-dimensional and Novel Materials

Nicolo Maccaferri, Umeå University, Umeå, Sweden (Chair)

Fundamental aspects and applications of graphene and other two-dimensional materials in optics and optoelectronics; light-matter interactions in 2D materials; ultrafast dynamics and nonlinear phenomena in 2D and novel materials, and mode-locked lasers; light sources, modulators, detectors, and other optoelectronic devices; photovoltaics; smart windows and flexible displays; terahertz devices; tunable plasmonics and metamaterials; integration with cavities and waveguides; multi-layered 2D heterostructures; perovskites and perovskite optoelectronics; NV centres; phase change materials.

EJ – Theoretical and Computational Photonics Modelling

Fabian Maucher, University of Balearic Islands, Palma de Mallorca, Spain (Chair)

Predictive theoretical and computational approaches for all fields of optics and photonics: full and semi-analytical treatments; applied mathematics and numerical analysis of partial differential equations; high-performance computing, massively parallel codes, including utilization of hardware accelerators. Modelling of singular nonlinear processes, shocks, wave collapse, material processing; first principle calculations of optical properties in dielectrics, plasmas, semiconductors and plasmonic structures; modelling of artificial optical materials.