The exploration of optical and photonic phenomena, particularly the modulation of pulse
signals and the ultrafast control of light fields at extreme temporal and spatial scales …

Time-varying metamaterials rely on large and fast changes of the linear permittivity. Beyond
the linear terms, however, the effect of a non-perturbative modulation of the medium on …

Optical metasurfaces have revolutionized analog computing and image processing at
subwavelength scales with faster speed and lower power consumption. They typically …

The metal-insulator transition (MIT) within vanadium oxides results in the abrupt variations in
correlated physical functionalities, emerging as a new paradigm to enrich multidisciplinary …

High-Q optical resonances in nonlocal metasurfaces, benefiting from significantly enhanced
light/matter interactions, feature strong responses even under a weak external stimulus. In …

Visualizing the phase of an optical field is fundamental to applications ranging from
biological microscopy through to material science. Its importance is evidenced by the award …

Nonlocal metasurfaces have recently enabled an ultra-compact, low-power and high-speed
platform to perform analog image processing. While several computational tasks have been …

Analog optical computing with nanophotonic devices has emerged as a promising solution
to the need for ultrafast computation with low power consumption. Several key mathematical …

We report the first application of broadband time-resolved pump–probe ellipsometry to study
the ultrafast dynamics of the photoinduced insulator-to-metal transition (IMT) in vanadium …

Hydrogel nanophotonic devices exhibit attractive tunable capabilities in structural coloration
and optical display. However, current hydrogel‐based tunable strategies are mostly based …