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Title: Mechanism of the metallic metamaterials coupled to the gain material

Abstract

In this study, we present evidence of strong coupling between the gain material and the metallic metamaterials. It is of vital importance to understand the mechanism of the coupling of metamaterials with the gain medium. Using a four-level gain system, the numerical pump-probe experiments are performed in several configurations (split–ring resonators (SRRs), inverse SRRs and fishnets) of metamaterials, demonstrating reduction of the resonator damping in all cases and hence the possibility for loss compensation. We find that the differential transmittance ΔT/T can be negative in different SRR configurations, such as SRRs on the top of the gain substrate, gain in the SRR gap and gain covering the SRR structure, while in the fishnet metamaterial with gain ΔT/T is positive.

Authors:
 [1];  [2];  [3];  [4]
  1. Iowa State Univ., Ames, IA (United States); Anhui Univ., Hefei (China)
  2. Institute of Electronic Structure and Laser, Crete (Greece)
  3. Iowa State Univ., Ames, IA (United States)
  4. Iowa State Univ., Ames, IA (United States); Institute of Electronic Structure and Laser, Crete (Greece)
Publication Date:
Research Org.:
Ames Lab., Ames, IA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1225532
Report Number(s):
IS-J-8545
Journal ID: ISSN 1094-4087; OPEXFF
Grant/Contract Number:  
AC02-07CH11358
Resource Type:
Accepted Manuscript
Journal Name:
Optics Express
Additional Journal Information:
Journal Volume: 22; Journal Issue: 23; Journal ID: ISSN 1094-4087
Publisher:
Optical Society of America (OSA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; optical properties; metamaterials; resonance; nanophotonics and photonic crystals

Citation Formats

Huang, Zhixiang, Droulias, Sotiris, Koschny, Thomas, and Soukoulis, Costas M. Mechanism of the metallic metamaterials coupled to the gain material. United States: N. p., 2014. Web. doi:10.1364/OE.22.028596.
Huang, Zhixiang, Droulias, Sotiris, Koschny, Thomas, & Soukoulis, Costas M. Mechanism of the metallic metamaterials coupled to the gain material. United States. https://doi.org/10.1364/OE.22.028596
Huang, Zhixiang, Droulias, Sotiris, Koschny, Thomas, and Soukoulis, Costas M. Mon . "Mechanism of the metallic metamaterials coupled to the gain material". United States. https://doi.org/10.1364/OE.22.028596. https://www.osti.gov/servlets/purl/1225532.
@article{osti_1225532,
title = {Mechanism of the metallic metamaterials coupled to the gain material},
author = {Huang, Zhixiang and Droulias, Sotiris and Koschny, Thomas and Soukoulis, Costas M.},
abstractNote = {In this study, we present evidence of strong coupling between the gain material and the metallic metamaterials. It is of vital importance to understand the mechanism of the coupling of metamaterials with the gain medium. Using a four-level gain system, the numerical pump-probe experiments are performed in several configurations (split–ring resonators (SRRs), inverse SRRs and fishnets) of metamaterials, demonstrating reduction of the resonator damping in all cases and hence the possibility for loss compensation. We find that the differential transmittance ΔT/T can be negative in different SRR configurations, such as SRRs on the top of the gain substrate, gain in the SRR gap and gain covering the SRR structure, while in the fishnet metamaterial with gain ΔT/T is positive.},
doi = {10.1364/OE.22.028596},
journal = {Optics Express},
number = 23,
volume = 22,
place = {United States},
year = {Mon Nov 10 00:00:00 EST 2014},
month = {Mon Nov 10 00:00:00 EST 2014}
}

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Cited by: 12 works
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Works referencing / citing this record:

On loss compensation, amplification and lasing in metallic metamaterials
journal, January 2019

  • Droulias, Sotiris; Koschny, Thomas; Kafesaki, Maria
  • Nanomaterials and Nanotechnology, Vol. 9
  • DOI: 10.1177/1847980418817947

Loss-compensated active nonlinear layered structures with gain saturation
journal, January 2019