Ultrafast lasers rely on the precise control of pulse characteristics to achieve durations in the femtosecond regime. At the heart of this control lies the engineering of dispersive mirrors, which are ...

The research group led by Professor Yijun Feng and Professor Ke Chen from Nanjing University reports a hybrid-phase strategy ...

Dispersion is an inherent feature of electromagnetic waves. It allows light to behave differently at different wavelengths, ...

Broadband achromatic wavefront control, a cornerstone of next-generation photonic systems that supports full-color imaging, multi-spectral sensing ...