Coherent perfect absorbers: linear control of light with light

DG Baranov, A Krasnok, T Shegai, A Alù… - Nature Reviews …, 2017 - nature.com
The absorption of electromagnetic energy by a material is a phenomenon that underlies
many applications, including molecular sensing, photocurrent generation and …

Anomalies in light scattering

A Krasnok, D Baranov, H Li, MA Miri… - Advances in Optics …, 2019 - opg.optica.org
The scattering of electromagnetic waves lies at the heart of most experimental techniques
over nearly the entire electromagnetic spectrum, ranging from radio waves to optics and x …

Coherent full polarization control based on bound states in the continuum

M Kang, Z Zhang, T Wu, X Zhang, Q Xu… - Nature …, 2022 - nature.com
Bound states in the continuum (BICs) are resonant modes of open structures that do not
suffer dam**, despite being compatible with radiation in terms of their momentum. They …

Analytical solutions to fundamental questions for lossy mode resonance

WM Zhao, Q Wang - Laser & Photonics Reviews, 2023 - Wiley Online Library
Lossy mode resonance (LMR) is an optical resonance phenomenon developed in the past
decade, which has been researched for sensors and filters due to its high sensitivity, low …

Controlling light with light using coherent metadevices: all-optical transistor, summator and invertor

X Fang, KF MacDonald, NI Zheludev - Light: Science & Applications, 2015 - nature.com
Although vast amounts of information are conveyed by photons in optical fibers, the majority
of data processing is performed electronically, creating the infamous 'information …

Coherent virtual absorption based on complex zero excitation for ideal light capturing

DG Baranov, A Krasnok, A Alù - Optica, 2017 - opg.optica.org
Absorption of light is directly associated with dissipative processes in a material. In suitably
tailored resonators, a specific level of dissipation can support coherent perfect absorption …

Non-linear coherent perfect absorption in the proximity of exceptional points

S Suwunnarat, Y Tang, M Reisner… - Communications …, 2022 - nature.com
Coherent perfect absorption is one of the possibilities to get high absorption but typically
suffers from being a resonant phenomena, ie, efficient absorption only in a local frequency …

Two-dimensional control of light with light on metasurfaces

M Papaioannou, E Plum, J Valente… - Light: Science & …, 2016 - nature.com
The ability to control the wavefront of light is fundamental to focusing and redistribution of
light, enabling many applications from imaging to spectroscopy. Wave interaction on highly …

Perfect absorption in complex scattering systems with or without hidden symmetries

L Chen, T Kottos, SM Anlage - Nature communications, 2020 - nature.com
Wavefront sha** (WFS) schemes for efficient energy deposition in weakly lossy targets is
an ongoing challenge for many classical wave technologies relevant to next-generation …

Topological beaming of light

KY Lee, S Yoon, SH Song, JW Yoon - Science Advances, 2022 - science.org
Nanophotonic light emitters are key components in numerous application areas because of
their compactness and versatility. Here, we propose a topological beam emitter structure that …