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Physics > Optics

Title: Active Manipulation of Electromagnetically Induced Transparency in a Terahertz Hybrid Metamaterial

Authors: Tingting Liu
Abstract: The metamaterial analogue of electromagnetically induced transparency (EIT) in terahertz (THz) regime holds fascinating prospects for filling the THz gap in various functional devices. In this paper, we propose a novel hybrid metamaterial to actively manipulate the resonance strength of EIT effect. By integrating a monolayer graphene into a THz metal metamaterial, an on-to-off modulation of the EIT transparency window is achieved under different Fermi levels of graphene. According to the classical two-particle model and the distributions of the electric field and surface charge density, the physical mechanism is attributable to the recombination effect of conductive graphene. This work reveals a novel manipulation mechanism of EIT resonance in the hybrid metamaterial and offers a new perspective towards designing THz functional devices.
Subjects: Optics (physics.optics)
Cite as: arXiv:1803.06611 [physics.optics]
  (or arXiv:1803.06611v1 [physics.optics] for this version)

Submission history

From: Tingting Liu [view email]
[v1] Sun, 18 Mar 2018 06:21:57 GMT (2594kb)