CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Particle swarm optimization and its application to the design of a compact tunable guided-mode resonant filter |
Dan-Yan Wang(王丹燕), Qing-Kang Wang(王庆康) |
Key Laboratory for Thin Film and Micro-fabrication of the Ministry of Education, Department of Microelectronics and Nanoscience, Shanghai Jiao Tong University, Shanghai 200240, China |
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Abstract A compact tunable guided-mode resonant filter (GMRF) in the telecommunication region near the 1550 nm wavelength is proposed in this paper. Particle swarm optimization (PSO) is used to design the GMRF. The tunability of the GMRF is achieved by an MEMS-based physical movement (in the horizontal or vertical direction) combined with an incident angle in a certain range. The results show that the resonant wavelength tuning of 110 nm (140 nm) is obtained by horizontal movement of 168 nm (vertical movement of 435 nm) combined with an about 11° variation of incident angle.
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Received: 14 October 2017
Revised: 07 December 2017
Accepted manuscript online:
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PACS:
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78.20.Bh
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(Theory, models, and numerical simulation)
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78.20.Ci
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(Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity))
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42.25.Fx
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(Diffraction and scattering)
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Fund: Project supported by the National High-Tech Research and Development Program of China (Grant No. 2011 AA050518). |
Corresponding Authors:
Qing-Kang Wang
E-mail: wangqingkang@sjtu.edu.cn
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Cite this article:
Dan-Yan Wang(王丹燕), Qing-Kang Wang(王庆康) Particle swarm optimization and its application to the design of a compact tunable guided-mode resonant filter 2018 Chin. Phys. B 27 037801
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