One dimensional sub-wavelength gratings, also known as metagratings have attracted
enormous attention due to the relatively simpler design configurations with versatile …

Although evanescent orders offer interesting physics, the experimental detection of these
modes are very challenging task because of their inherent characteristics. Evanescent …

Terahertz waves are finding important applications in diverse fields, and meanwhile the
manipulation of terahertz waves calls for the development of various functional devices …

The micro-optical accelerometer has the advantages of high sensitivity, miniaturization, and
integration, which has attracted much attention. Its performance is closely related to …

One problem faced by the sub-wavelength grating polarization beam splitter is the lack of a
generally-used formula able to conduct accurate calculation of the incident angle. With that …

In this paper, the sandwiched configuration is designed under normal incidence with zeroth
order eliminated so as to design a highly-efficient four-port output with polarization …