Fundamental Studies and New Concepts 

• Quantum optics, computation and communication

• Single-photon nonlinear optics

• Coherent control of slow and fast light

• High intensity and relativistic nonlinear optics

• Ultrafast phenomena

• nonlinear optics at low powers

• Solitons, nonlinear propagation, and pattern formation

• Nonlinear properties of surfaces, interfaces, and nanostructures

• Nonlinear properties of microcavities and microstructures

• Nonlinear magneto-optics

• Attosecond nonlinear optics

Nonlinear Media 

• Atoms and molecules, including cold atoms and condensates

• Dielectric materials, semiconductors, and metal-based materials

• Nanostructures, plasmonic materials, and metamaterials

• organic and hybrid nonlinear optical materials

• Photonic bandgap structures

• Fibers and waveguides

• Chip-based nonlinear optics

• Photorefractives

• Materials for gain and frequency conversion

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

• THz generation, spectroscopy and imaging

• Nonlinear x-ray optics

• Laser induced fusion

• Materials processing

• Biological and biomedical applications

• Nonlinear microscopy and spectroscopy