Recent advances in tunable metasurfaces: materials, design, and applications
Metasurfaces, a two-dimensional (2D) form of metamaterials constituted by planar meta-
atoms, exhibit exotic abilities to tailor electromagnetic (EM) waves freely. Over the past …
atoms, exhibit exotic abilities to tailor electromagnetic (EM) waves freely. Over the past …
The current state of optical sensors in medical wearables
E Vavrinsky, NE Esfahani, M Hausner, A Kuzma… - Biosensors, 2022 - mdpi.com
Optical sensors play an increasingly important role in the development of medical diagnostic
devices. They can be very widely used to measure the physiology of the human body …
devices. They can be very widely used to measure the physiology of the human body …
Reversible tuning of Mie resonances in the visible spectrum
Dielectric optical nanoantennas are promising as fundamental building blocks in next
generation color displays, metasurface holograms, and wavefront shaping optical devices …
generation color displays, metasurface holograms, and wavefront shaping optical devices …
Schrödinger's red pixel by quasi-bound-states-in-the-continuum
While structural colors are ubiquitous in nature, saturated reds are mysteriously absent. This
long-standing problem of achieving Schrödinger's red demands sharp transitions from …
long-standing problem of achieving Schrödinger's red demands sharp transitions from …
Metasurface biosensors enabling single-molecule sensing of cell-free DNA
M Iwanaga, T Hironaka, N Ikeda, T Sugasawa… - Nano Letters, 2023 - ACS Publications
In this study, we have revealed that highly fluorescence (FL)-enhancing all-dielectric
metasurface biosensors are capable of detecting single-target DNA, which is cell-free DNA …
metasurface biosensors are capable of detecting single-target DNA, which is cell-free DNA …
Coherent momentum control of forbidden excitons
A double-edged sword in two-dimensional material science and technology is optically
forbidden dark exciton. On the one hand, it is fascinating for condensed matter physics …
forbidden dark exciton. On the one hand, it is fascinating for condensed matter physics …
Miniaturizing color-sensitive photodetectors via hybrid nanoantennas toward submicrometer dimensions
Digital camera sensors use color filters on photodiodes to achieve color selectivity. As the
color filters and photosensitive silicon layers are separate elements, these sensors suffer …
color filters and photosensitive silicon layers are separate elements, these sensors suffer …
Reversible electrical switching of nanostructural color pixels
S Zhang, J Zhang, WP Goh, Y Liu, F Tjiptoharsono… - …, 2023 - degruyter.com
Electrical switching of nanophotonic structural color elements is a promising approach
towards addressable color switching pixels for next generation reflective displays. However …
towards addressable color switching pixels for next generation reflective displays. However …
Unidirectional Chiral Emission via Twisted Bi-layer Metasurfaces
Controlling and channeling light emissions from unpolarized quantum dots into specific
directions with chiral polarization remains a key challenge in modern photonics. Stacked …
directions with chiral polarization remains a key challenge in modern photonics. Stacked …
Lighting up Si nanoparticle arrays by exploiting the bound states in the continuum formed in a Si/Au hybrid nanostructure
Silicon (Si)-based light emitters compatible with the current fabrication technology of Si chips
are crucial for realizing all-optical computation. Here, we propose a Si/Au hybrid …
are crucial for realizing all-optical computation. Here, we propose a Si/Au hybrid …