Mining the smartness of insect ultrastructures for advanced imaging and illumination

T Chung, Y Lee, SP Yang, K Kim… - Advanced functional …, 2018 - Wiley Online Library
Biological wonders, found in insects such as antireflecting moth eyes, compound eyes in a
honey bee, firefly lanterns, and iridescent butterfly wings, inspire human beings for …

Room-temperature-grown tungsten oxide hybridized dipole cavities to realize thermally tunable terahertz surface plasmons

A Jana, AC Khot, S Rane, V Sajeev, TD Dongale… - Optical Materials, 2023 - Elsevier
Recent developments in the field of terahertz (THz) subwavelength structures have inspired
novel discoveries and innovations involving the use of multidimensional materials in fields …

Ag/Au alloyed nanoislands for wafer-level plasmonic color filter arrays

CSH Hwang, MS Ahn, Y Lee, T Chung, KH Jeong - Scientific Reports, 2019 - nature.com
Alloyed metals in nanoscale exhibit some intriguing features that are absent in mono-
metallic nanostructures. Here we report silver and gold alloyed nanoislands with high …

Plasmonic refractive index sensor with multi-channel Fano resonances based on MIM waveguides

Y Fang, K Wen, Z Li, B Wu, Z Guo - Modern Physics Letters B, 2020 - World Scientific
A multi-channel Fano resonant structure is proposed and analyzed based on
subwavelength metal–insulator–metal (MIM) waveguides. First, two MIM output ports …

Vector beam generation based on the nanometer-scale rectangular holes

Q Zhang, P Li, Y Li, H Wang, L Liu, Y He, S Teng - Optics Express, 2017 - opg.optica.org
A kind of plasmonic vector beam generator is proposed with the help of a compact nano-
hole structure. The structure is composed of the homogeneous rectangular holes which are …

Design of a slit-groove coupler for unidirectional excitation of the guided surface plasmon polaritons through a plasmonic slot waveguide

B Eftekharinia, A Moshaii, A Dabirian - Plasmonics, 2017 - Springer
In this paper, a plasmonic-photonic nanostructure has been introduced for efficient
unidirectional coupling of free-space radiation to surface plasmon polariton (SPP) waves …

Switchable beaming from a nanoslit with metallic gratings controlled by the phase difference between incident beams

K Kim, SY Lee, H Yun, JB Park, B Lee - Optics express, 2014 - opg.optica.org
We propose a switching method for optical beaming generated from a metal slit surrounded
by surface gratings. The principle of the method is based on the interference of diffracted …

Efficient transition between photonic and plasmonic guided modes at abrupt junction of MIM plasmonic waveguide

SY Lee, J Kim, IM Lee, B Lee - Optics Express, 2013 - opg.optica.org
We propose a novel metal-insulator-metal (MIM) waveguide mode transition scheme by the
use of the abrupt junction of MIM plasmonic waveguide. Power coupling between anti …

Tunable plasmonic nanocavity with Ge2Sb2Te5 film for directional launching of surface plasmons

HD Jeong, CY Hwang, H Kim, M Choi… - Japanese Journal of …, 2018 - iopscience.iop.org
A tunable plasmonic nanocavity which consists of a metallic groove with submerged ultra-
thin Ge 2 Sb 2 Te 5 film is proposed for controlling the on/off characteristics of directional …

Highly confined long range transmission of a surface plasmon polariton mode in a novel design of metallic slit-groove nanostructures

B Eftekharinia - Optik, 2019 - Elsevier
In this paper a novel metallic slit-groove nanostructure is proposed for long range
unidirectional transmission of light from a subwavelength slit. This nanostructure utilizes a …