ArticleScientific reports2023
Highly efficient graphene terahertz modulator with tunable electromagnetically induced transparency-like transmission.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- VONanomaterials (Basel, Switzerland) · 2026Article
- All-Optically Controlled Terahertz Modulation by Silicon-Grown CdSe/CdZnS Colloidal Quantum Wells.Nanomaterials (Basel, Switzerland) · 2025Article
- Graphene quantum dot-coated polystyrene microsphere multilayer colloidal crystals with distributed Bragg reflector absorption.Scientific reports · 2025Article
- Extensive Q-factor tuning for leaky modes with minimal frequency variation in asymmetric slab grating structures.Scientific reports · 2024Article
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Authors and funding
5 authors.
Funding
Abstract
Graphene-based optical modulators have been extensively studied owing to the high mobility and tunable permittivity of graphene. However, weak graphene-light interactions make it difficult to achieve a high modulation depth with low energy consumption. Here, we propose a high-performance graphene-based optical modulator consisting of a photonic crystal structure and a waveguide with graphene that exhibits an electromagnetically-induced-transparency-like (EIT-like) transmission spectrum at terahertz frequency. The high quality-factor guiding mode to generate the EIT-like transmission enhances light-graphene interaction, and the designed modulator achieves a high modulation depth of 98% with a significantly small Fermi level shift of 0.05 eV. The proposed scheme can be utilized in active optical devices that require low power consumption.
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