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 …

All-optical AND, OR, and XOR logic gates based on coherent perfect absorption in graphene-based metasurface at terahertz region

RE Meymand, A Soleymani, N Granpayeh - Optics Communications, 2020 - Elsevier
In this paper, we propose a novel method for designing all-optical logic gates based on the
coherent perfect absorption principle in graphene-based metasurface in terahertz (THz) …

Coherent perfect absorption of arbitrary wavefronts at an exceptional point

H Hörner, L Wild, Y Slobodkin, G Weinberg, O Katz… - Physical Review Letters, 2024 - APS
A coherent perfect absorber exploits the interferometric nature of light to deposit all of a light
field's incident energy into an otherwise weakly absorbing sample. The downside of this …

Spectrum‐Selective High‐Temperature Tolerant Thermal Emitter by Dual‐Coherence Enhanced Absorption for Solar Thermophotovoltaics

S Zhang, F Zhong, Z Lin, X Yu… - Advanced Optical …, 2024 - Wiley Online Library
Solar thermophotovoltaics (STPV) receive considerable attention for the record high energy
transfer efficiency beyond conventional photovoltaics systems, which requires a well …

Polaritonic critical coupling in a hybrid quasibound states in the continuum cavity– monolayer system

X Zhang, AL Bradley - Physical Review B, 2022 - APS
We theoretically propose and numerically demonstrate that perfect feeding of a polaritonic
system with full electromagnetic energy under one-port beam incidence, referred to as …

Dynamic coherent perfect absorption in nonlinear metasurfaces

R Alaee, Y Vaddi, RW Boyd - Optics Letters, 2020 - opg.optica.org
In this Letter, we propose a tunable coherent perfect absorber based on ultrathin nonlinear
metasurfaces. A nonlinear metasurface is made of plasmonic nanoantennas coupled to an …

Tunable and broadband coherent perfect absorption by ultrathin black phosphorus metasurfaces

T Guo, C Argyropoulos - JOSA B, 2019 - opg.optica.org
Black phosphorus (BP), a relatively new plasmonic two-dimensional material, offers unique
photonic and electronic properties. In this work, we propose a new tunable and broadband …

Quantum optics of lossy asymmetric beam splitters

R Uppu, TAW Wolterink, TBH Tentrup, PWH Pinkse - Optics express, 2016 - opg.optica.org
We theoretically investigate quantum interference of two single photons at a lossy
asymmetric beam splitter, the most general passive 2× 2 optical circuit. The losses in the …

Coherent perfect absorption of electromagnetic wave in subwavelength structures

C Yan, M Pu, J Luo, Y Huang, X Li, X Ma… - Optics & Laser …, 2018 - Elsevier
Electromagnetic (EM) absorption is a common process by which the EM energy is
transformed into other kinds of energy in the absorber, for example heat. Perfect absorption …