Home > Archive>Volume 11, Issue 1, 2015 >33-35. DOI:10.1007/s11801-015-4200-5
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Realization of band-pass and low-pass filters on a single chip in terahertz regime
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1. School of Applied Sciences, Harbin University of Science and Technology, Harbin 150080, China;;2. School of Information Engineering, Minzu University of China, Beijing 100081, China;;3. Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China

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This work has been supported by the Major State Basic Research Development Program of China (No.2010CB934104), the Science and Technology Research Funding of State Cultural Relics Bureau Cultural Relics (No.20110135), the National Special Fund for the Development of Major Research Equipment and Instruments (No.2012YQ14000508), and “985 Project” (No.0301-01402904) .

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    Abstract:

    In this paper, we present the design, simulation, fabrication and characterization of a terahertz (THz) filter based on metamaterial consisting of the periodical double symmetric splits ring resonator (DS-SRR) array. We can observe that the metamaterial-based filter possesses a band-pass transmission when the electrical field is along y direction, and it possesses a low-pass transmission when the electrical field is along x direction. Our results demonstrate that the proposed filter can realize the switching between band-pass effect and low-pass effect by only changing the polarization direction of the incident electromagnetic wave. Moreover, the calculated surface current distributions are also used to analyze the switchable mechanism of the THz metamatrial filter. Therefore, the proposed THz wave filter has a potential application in THz wave communication systems.

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WANG Lei, GENG Zhao-xin, HE Xun-jun, CAO Ya-peng, YANG Yu-ping, CHEN Hong-da. Realization of band-pass and low-pass filters on a single chip in terahertz regime[J]. Optoelectronics Letters,2015,11(1):33-35

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  • Received:October 29,2014
  • Online: November 26,2015
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