Research Home » Research Extreme nonlinear quantum optics Generation & application of circularly-polarized high-order harmonics and attosecond pulses Time-resolved imaging by multiplexed ptychography (TIMP) Selection rules and dynamical symmetry breaking spectroscopy in (high) harmonic generation Induction of long-lived optical waveguides in the atmosphere by laser filaments Optical spatiotemporal pulse train solitons Algorithmic sparsity-based super-resolution in microscopy, spectroscopy and diagnostics of ultrashort laser pulses Diagnostics of ultrashort laser pulses