3 May 2017 Tunable terahertz plasmon-induced transparency with aperture-side-coupled disk resonators
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Abstract
An analog of electromagnetically induced transparency (EIT) in plasmonic double disk resonators aperture-side-coupled to an InSb bus waveguide at the terahertz (THz) frequency region has been investigated. When there is a destructive interference coupling between these two disk resonators, the proposed plasmonic structure exhibits a transparency window. The simulation results show that the EIT-like response is dependent on the coupling distance between two disk resonators. Since the permittivity of InSb is modified by varying temperature, the central wavelength of the EIT-like transmission can be controlled by tuning the temperature. The proposed plasmonic structure may have applications in THz integrated circuits.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
Najmeh Nozhat, Najmeh Nozhat, } "Tunable terahertz plasmon-induced transparency with aperture-side-coupled disk resonators," Optical Engineering 56(5), 057101 (3 May 2017). https://doi.org/10.1117/1.OE.56.5.057101 . Submission: Received: 5 January 2017; Accepted: 19 April 2017
Received: 5 January 2017; Accepted: 19 April 2017; Published: 3 May 2017
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