A Multifrequency Electromagnetic Modulator Based on the Solid-State Plasma Metamaterial

In this article, a multifrequency electromagnetic modulator based on the solid-state plasma (SSP) metamaterial is proposed. It can achieve two modulations of electromagnetically induced transparency (EIT) and bandpass/stop filter, to realize speed and switching modulation of electromagnetic waves wi...

Full description

Saved in:
Bibliographic Details
Published in:IEEE transactions on plasma science 2020-09, Vol.48 (9), p.1-7
Main Authors: Liu, Guo-Biao, Zhang, Haifeng
Format: Article
Language:English
Subjects:
Bandpass filters
Bandpass/stop filter
Bandstop filters
Bandwidth
Bandwidths
Delays
Electromagnetic radiation
electromagnetically induced transparency (EIT)
Frequency modulation
Metamaterials
Modulation
multifrequency electromagnetic modulator
Plasmas
Solid state
solid-state plasma (SSP) metamaterial
Switching
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:In this article, a multifrequency electromagnetic modulator based on the solid-state plasma (SSP) metamaterial is proposed. It can achieve two modulations of electromagnetically induced transparency (EIT) and bandpass/stop filter, to realize speed and switching modulation of electromagnetic waves with specific frequencies. By exciting different SSP resonance units, the metamaterial modulator can obtain two states (states I and II), showing two different transmission spectra. When working as a tunable EIT, the state I appears as double transmission peaks with the delay-bandwidth product (DBP) reaching 0.517 and 0.421, whereas state II has a single peak with DBP up to 0.675. Since there is a one-to-one correspondence between the frequency points of transmission peaks and valleys in the two states, when state I manifests as an EIT, state II can serve as a band stop filter for the transmission peaks of state I. Conversely, when state II acts as an EIT, the state I can serve as its band stop filter to realize the switching modulation of these frequencies. Therefore, such an SSP-based metamaterial modulator can simultaneously meet the modulations of tunable EIT and corresponding bandpass/stop filter, which has great application prospects.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2020.3013704