Ultrafast optics has undergone a revolution in the past two decades, driven by new methods
of pulse generation, amplification, manipulation, and measurement. We review the …

Locking of longitudinal modes in laser cavities is the common path to generate ultrashort
pulses. In traditional multi-wavelength mode-locked lasers, the group velocities rely on …

Nonlinear optical effects are typically weak and enhancement techniques are often required
for practical applications. Here we introduce a method to enhance such effects by …

We describe a complete technological system at Imperial College London for Attosecond
Science studies. The system comprises a few-cycle, carrier envelope phase stabilized laser …

The recent introduction,, of coherent optical communications has created a compelling need
for ultrafast phase-sensitive measurement techniques operating at milliwatt peak power …

We present an analysis and demonstration of few-cycle ultrashort laser pulse
characterization using second-harmonic dispersion scans and numerical phase retrieval …

The patterning of graphene is useful in fabricating electronic devices, but existing methods
do not allow control of the number of layers of graphene that are removed. We show that …

Achieving the control of light fields in a manner similar in sophistication to the control of
electromagnetic fields in the microwave and radiofrequency regimes has been a major …

In many areas of imaging science, it is difficult to measure the phase of linear
measurements. As such, one often wishes to reconstruct a signal from intensity …

We analyze pulse self-compression in femtosecond filaments, both experimentally and
numerically. We experimentally demonstrate the compression of 45 fs pulses down to a …