Dielectric metastructures-photonic crystals: A potential regulation ...
Dec 29, 2024 · We discuss the advantages of metastructures-photonic crystals structure in three electromagnetic wave absorption or transmission states, namely asymmetric absorption-transmission, independently controllable double-band …
Multi-Frequency Asymmetric Absorption–Transmission …
Sep 28, 2024 · Metastructures–photonic crystals (MPCs) are a new type of artificial electromagnetic material that combines metastructures with the concept of traditional PCs. By precisely adjusting the geometric and material properties of MPC, its flexibility and energy localization can be enhanced to achieve a specific response to EMWs.
Fast topology optimization of phononic crystal‐based …
Sep 30, 2023 · A novel deep learning-based optimization (DLBO) methodology is proposed for rapidly optimizing phononic crystal-based metastructure topologies. DLBO eliminates the need for pre-optimized data by leveraging the learned relation from metastructure features to bandgaps.
Broadband asymmetric absorption-transmission and double-band …
Sep 1, 2024 · In this paper, a kind of superconductor ceramics metastructure-photonic crystals (SCMPC) is proposed to investigate the absorption and transmission properties of electromagnetic waves (EW) by combining a metastructure with multiple degrees of freedom regulation and strong energy localization characteristics of photonic crystals.
An electromagnetic logic metastructure realizing half addition …
3 days ago · An electromagnetic logic metastructure (ELM) based on the virtual polarizer, capable of realizing half addition and half subtraction operations, is presented in. ... 2D photonic crystal hexagonal ring resonator-based all-optical logic gates,” Opt. Laser Technol. 165, 109624 (2023).
Photonic crystal heterostructures and interfaces
May 16, 2006 · Photonic crystal heterostructures, like their semiconductor quantum electronic counterparts, generate complex function from simple, well-understood building blocks. They have led to compact photonic crystal-based waveguides and record-quality-factor resonant cavities.
metastructures (HCMs), metasurfaces and photonic crystals (PhCs) prove to be promising candidates. Despite the similarities in physical appearances with periodic subwavelength structures, HCMs and PhCs differ in their design approaches, theoretical analyses and photonic applications, and therefore remain somewhat distinct research topics. Here we
Broadband tunable elastic metastructure based on one …
Jun 22, 2021 · Considering the manufacturing difficulty and tunability, a one-dimensional phononic crystal-type metastructure is proposed in this paper.
Advances in Photonic Metasurfaces and Metastructures - MDPI
5 days ago · Photonic metasurfaces and metastructures have revolutionized the manipulation of electromagnetic waves across diverse applications, from optical communication to sensing and stealth technology. This Editorial highlights several advances in metasurface research, as covered in the Special Issue “Advances in Photonic Metasurfaces and ...
Inverse design of photonic meta-structure for beam collimation in …
Mar 5, 2021 · In this work, we design a metasurface to create a planar integrated photonic source beam collimator for use in on-chip optofluidic sensing applications. We use an iterative inverse design...
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