Holography has numerous applications because of its capability of arbitrary wavefront
modulation. Computer-generated holograms (CGHs) take it a big step forward. Conventional …

In this review, we introduce digital holographic techniques and recent progress in
multidimensional sensing by using digital holography. Digital holography is an …

The lack of quantitative risk assessment of airborne transmission of COVID-19 under
practical settings leads to large uncertainties and inconsistencies in our preventive …

Metasurfaces have enabled a plethora of emerging functions within an ultrathin dimension,
paving way towards flat and highly integrated photonic devices. Despite the rapid progress …

Dispersion results from the variation of index of refraction as well as electric field
confinement in sub-wavelength structures. It usually results in efficiency decrease in …

Polarization-sensitive photodetection has attracted considerable attention as an emerging
technology for future optoelectronic applications such as three-dimensional (3D) imaging …

This roadmap article focuses on spatially incoherent digital holography (IDH).
Representative IDH methods such as optical scanning holography (OSH), Fresnel …

As a revolutionary three‐dimensional (3D) optical imaging technique, optical holography
has attracted wide attention for its capability of recording both the amplitude and phase …

Optical metasurfaces, composed of ultrathin subwavelength meta-atoms, have enabled flat-
optics and corresponding flat optical components such as ultrathin lenses, color filters, and …

Recently, biometric systems are extensively and commonly utilized for authentication and
verification applications. The security issue and the dependence on a specific biometric for …