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 …

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

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 …

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 …

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 …

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 …

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

Optical edge detection is a crucial optical analog computing method in fundamental artificial
intelligence, machine vision, and image recognition, owing to its advantages of parallel …

Combining bright-field and edge-enhanced imaging affords an effective avenue for
extracting complex morphological information from objects, which is particularly beneficial …

Non-local metasurface supporting geometric phases at bound states in the continuum (BIC)
simultaneously enables sharp spectral resonances and spatial wavefront sha**, thus …