As a fundamental optical approach to interferometry, Sagnac interference has been widely
used for reflection manipulation, precision measurements, and spectral engineering in …

Optical metasurfaces—subwavelength-patterned surfaces that interact strongly with light—
have been an active area of research for more than a decade. The field has been driven by …

The explosion in the amount of information that is being processed is prompting the need for
new computing systems beyond existing electronic computers. Photonic computing is …

Dynamical controls on terahertz (THz) wavefronts are crucial for many applications, but
available mechanism requests tunable elements with sub-micrometer sizes that are difficult …

Current optical differentiators are generally limited to realizing a single differential function
once fabricated. Herein, a minimalist strategy in designing multiplexed differentiators (1st …

Optical knots and links have attracted great attention because of their exotic topological
characteristics. Recent investigations have shown that the information encoding based on …

The metaverse has captured significant attention as it provides a virtual realm that cannot be
experienced in the physical world. Programmable optical holograms, integral components of …

Differential interference contrast (DIC) microscopy provides the ability to visualize
transparent phase samples such as living cells and tissues, which plays an essential role in …

The increasing demand for the multidimensional and dynamic control of light has spurred
the development of stimuli‐responsive, reconfigurable, and programmable optical systems …

Hydrogel materials endow the flat optics platform with active tuning capability, owing to their
remarkable humidity‐responsive swelling behavior. Despite recent advances in hydrogel …