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August 19, 2026Scientific ReportsOpen Access

Hybrid nanowire metamaterials with ultra-wideband epsilon-near-zero mode tuning for nanophotonic applications

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Authors

EAEbrahim AzmoudehSFSaeed Farazi

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Overview

Computational modeling demonstrates wideband epsilon-near-zero mode tuning in hybrid nanowire metamaterials, suggesting potential for nanoscale optical filters and switches.

Key Points

  • To investigate the linear and nonlinear optical properties of hybrid nanowire metamaterials and achieve controllable epsilon-near-zero guided wave modes across visible and infrared wavelengths.
  • Modeled optical responses and guided wave characteristics of hybrid nanowires embedded with silicon cores under transverse electric and transverse magnetic illumination.
  • Calculated dispersion relations and transmission properties using effective medium theory and finite-difference time-domain (FDTD) numerical simulations.
  • Introducing silicon cores generated extra guided wave modes that were continuously tunable from visible to infrared spectra by adjusting filling ratios.
  • Demonstrated that specific configurations achieve epsilon-near-zero (ENZ) conditions, enabling the design of an adjustable band-stop optical filter.
  • Analyzed Kerr nonlinearity within ENZ modes, facilitating the simulation of highly efficient nanoscale all-optical switches and relays.

Cite This Study

Azmoudeh et al. (2026) studied this question.

synapsesocial.com/papers/6a8563ae03308d306e2d6fe0https://doi.org/10.1038/s41598-026-66872-9
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