کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7924956 1512497 2018 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Active manipulation of electromagnetically induced transparency in a terahertz hybrid metamaterial
ترجمه فارسی عنوان
دستکاری فعال از شفافیت القایی الکترومغناطیسی در یک متامیک هیبرید تراهرتز
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد مواد الکترونیکی، نوری و مغناطیسی
چکیده انگلیسی
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 consisting of a split ring resonator (SRR) enclosed within a larger closed ring resonator (CRR), 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 attributed to the recombination effect of conductive graphene. This work reveals the universal interaction of the monolayer graphene on the SRR and offers a new perspective towards designing THz functional devices.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optics Communications - Volume 426, 1 November 2018, Pages 629-634
نویسندگان
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