Metasurfaces have attracted great attention due to their ability to manipulate the phase,
amplitude, and polarization of light in a compact form. Tunable metasurfaces have been …

Optically variable devices (OVDs) are in tremendous demand as optical indicators against
the increasing threat of counterfeiting. Conventional OVDs are exposed to the danger of …

The remarkable potential of metasurface holography promises revolutionary advancements
for imaging, chip-integrated augmented/virtual reality (AR/VR) technology, and flat optical …

Symmetric spin–orbit interaction (SOI)‐based approaches apply a practical limit on helicity
multiplexed metaoptics, ie, center symmetric information encoding. Contrarily, asymmetric …

Multi‐functional metasurfaces have attracted great attention due to the significant
possibilities to realize highly integrated and ultra‐compact meta‐devices. Merging nano …

Futuristic holographic displays will essentially require broadband chiro‐optical effects for
medical imaging, virtual reality, smart security, and optical encryption. However …

The efficiency of traditional solar cells is constrained due to the Shockley–Queisser limit, to
circumvent this theoretical limit, the concept of solar thermophotovoltaics (STPVs) has been …

Secure packaging and transportation of light-sensitive chemical and biomedical test tubes
are crucial for environmental protection and public health. Benefiting from the compact form …

The efficient control of optical light at the nanoscale level attracts marvelous applications,
including thermal imaging, energy harvesting, thermal photovoltaics, etc. These applications …

Here we present a roadmap on Photonic metasurfaces. This document consists of a number
of perspective articles on different applications, challenge areas or technologies underlying …