Current and past research activities include:

• Nonlinear and quantum optics in nano-photonic waveguides and circuits
• Graphene plasmonics and photonics
• Nonlinear plasmonics
• Microcavity exciton polaritons
• Silicon photonics and sub-wavelength light guidance and manipulation
• Solitons and supercontinuum generation in optical fibres
• Nonlinear lattice dynamics, discrete breathers
• Gap and out-gap solitons in periodic media