This paper reviews recent advances in the field of plasmonic films fabricated by colloidal
lithography. Compared with conventional lithography techniques such as electron beam …

We design a circular plasmonic lens for collimation of light emission from nanocrystal
quantum dots at room temperature in the near IR spectral range. We implement a two …

A scheme for vector terahertz (THz) beam generation is proposed. A subwavelength metal
grating is utilized to adjust the polarization of the THz radiation. The amplitude and phase …

Treating polarization by means of the electromagnetic helicity allows to obtain new insights
and design guidelines in different problems: Optical activity, zero backscattering …

We propose a planar dielectric reflector with focusing ability using concentric circular
subwavelength gratings (CC-SWGs). The two-dimensional focusing ability of CC-SWGs is …

Planar dielectric reflectors with polarization-independent focusing ability promise to replace
conventional free-space components for applications in on-chip optoelectronic integration. A …

We demonstrate here guided mode resonance (GMR) concentric circular grating filters
(CCGFs) on an HfO 2-on-silicon platform. The fabricated devices are realized with a …

Conventional subwavelength grating concentrating lenses are designed based on
calculated phase overlap, wherein the phase change is fixed by the grating thickness, bar …

A full-Stokes polarization imaging method was introduced by using a liquid crystal variable
retarder (LCVR) and the metallic nanograting arrays. The linear polarization was detected …

We design and implement one type of guided mode resonance (GMR) circular grating filters
(CGFs) on an HfO_2-on-silicon platform. Taking advantage of an angle-resolved micro …