1. Fundamental Studies and New Concepts
    • Coherent control of slow and fast light
    • High intensity and relativistic nonlinear optics
    • Nonlinear light propagation : solitons, shock waves, and rogue waves
    • Quantum nonlinear optics : single photons, cold photonic gases, communication, computation
    • Nonlinear optics in random media
    • Nonlinear optics at low powers
    • Topological nonlinear optics
    • Ultrafast phenomena
    • Nonlinear properties of surfaces, interfaces, and nanostructures
    • Nonlinear properties of microcavities and microstructures
    • Nonlinear magneto-optics
    • Attosecond nonlinear optics
  2. Nonlinear Media
    • Atoms and molecules, including cold atoms and condensates
    • Dielectric materials, semiconductors, and metal-based materials
    • Nanostructures, plasmonic materials, and metamaterials
    • Organic, soft, bio, hybrid and biomimetic matter
    • Photonic bandgap structures
    • Fibers and waveguides
    • Chip-based nonlinear optics
    • Photorefractives
    • Materials for gain and frequency conversion
  3. Applications
    • Frequency conversion and high-harmonic generation
    • Optical communications
    • Photonic switching
    • Optical storage
    • Stimulated Brillouin scattering and nonlinear optomechanics
    • Nanophotonics
    • Ultrafast measurements
    • Frequency combs and optical clocks
    • Nonlinear optical processes in the THz range
    • X-ray nonlinear optics and sources
    • Laser induced fusion
    • Machine learning, neural networks and neuromorphic computation
    • Materials processing
    • Biological and biomedical applications
    • Nonlinear microscopy and spectroscopy