Flat optics with dispersion-engineered metasurfaces

WT Chen, AY Zhu, F Capasso - Nature Reviews Materials, 2020 - nature.com
Control over the dispersion of the refractive index is essential to the performance of most
modern optical systems. These range from laboratory microscopes to optical fibres and even …

Optical refractive index sensors with plasmonic and photonic structures: promising and inconvenient truth

Y Xu, P Bai, X Zhou, Y Akimov, CE Png… - Advanced Optical …, 2019 - Wiley Online Library
Optical sensors are widely used for refractive index measurement in chemical, biomedical,
and food processing industries. Due to specific field distribution of the resonances, optical …

Space-time wave packets

M Yessenov, LA Hall, KL Schepler… - Advances in Optics and …, 2022 - opg.optica.org
Space-time wave packets (STWPs) constitute a broad class of pulsed optical fields that are
rigidly transported in linear media without diffraction or dispersion, and are therefore …

On-chip wavefront sha** with dielectric metasurface

Z Wang, T Li, A Soman, D Mao, T Kananen… - Nature …, 2019 - nature.com
Metasurfaces can be programmed for a spatial transformation of the wavefront, thus allowing
parallel optical signal processing on-chip within an ultracompact dimension. On-chip …

Dynamic light manipulation via silicon-organic slot metasurfaces

T Zheng, Y Gu, H Kwon, G Roberts, A Faraon - Nature Communications, 2024 - nature.com
Active metasurfaces provide the opportunity for fast spatio-temporal control of light. Among
various tuning methods, organic electro-optic materials provide some unique advantages …

Nanometer-scale photon confinement in topology-optimized dielectric cavities

M Albrechtsen, B Vosoughi Lahijani… - Nature …, 2022 - nature.com
Nanotechnology enables in principle a precise map** from design to device but relied so
far on human intuition and simple optimizations. In nanophotonics, a central question is how …

Waveguide sub‐wavelength structures: a review of principles and applications

R Halir, PJ Bock, P Cheben… - Laser & Photonics …, 2015 - Wiley Online Library
Periodic structures with a sub‐wavelength pitch have been known since Hertz conducted his
first experiments on the polarization of electromagnetic waves. While the use of these …

O-FIB: far-field-induced near-field breakdown for direct nanowriting in an atmospheric environment

ZZ Li, L Wang, H Fan, YH Yu, QD Chen… - Light: Science & …, 2020 - nature.com
Nanoscale surface texturing, drilling, cutting, and spatial sculpturing, which are essential for
applications, including thin-film solar cells, photonic chips, antireflection, wettability, and …

High-speed silicon photonics modulators

J Witzens - Proceedings of the IEEE, 2018 - ieeexplore.ieee.org
The realization of gigahertz bandwidth modulators out of silicon-based technology in the
early 2000s marked a cornerstone of silicon photonics development. While modulation …

Magnetic and electric hotspots with silicon nanodimers

RM Bakker, D Permyakov, YF Yu, D Markovich… - Nano Letters, 2015 - ACS Publications
The study of the resonant behavior of silicon nanostructures provides a new route for
achieving efficient control of both electric and magnetic components of light. We …