Semiconductor Optoelectronics, Volume. 45, Issue 5, 738(2024)

Terahertz Branching Waveguide Directional Coupler with Switchable Coupling Degree

PAN Wu, QIU Sen, ZHANG Zhen, YE Kuan, HUANG Lei, and LI Renpu
Author Affiliations
  • College of Photoelectronic Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, CHN
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    References(11)

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    [3] [3] Liu S, Hu J, Zhang Y, et al. Sub-millimeter-wave 10 dB directional coupler based on micromachining technique[J]. Int. J. Antennas Propagation, 2015: 1-8.

    [5] [5] Zhang B, Niu Z, Wang J, et al. Four-hundred gigahertz broadband multi-branch waveguide coupler[J]. IET Microwaves, Antennas & Propagation, 2020, 14(11): 1175-1179.

    [6] [6] Jepsen P U, Fischer B M, Thoman A, et al. Metal-insulator phase transition in a VO2 thin film observed with terahertz spectroscopy[J]. Phys. Rev. B, 2006, 74(20): 205103.

    [7] [7] Song Z, Zhang J. Achieving broadband absorption and polarization conversion with a vanadium dioxide metasurface in the same terahertz frequencies[J]. Opt. Express, 2020, 28(8): 12487-12497.

    [8] [8] Zhu H, Zhang Y, Ye L, et al. Switchable and tunable terahertz metamaterial absorber with broadband and multi-band absorption[J]. Opt. Express, 2020, 28(26): 38626-38637.

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    [11] [11] Niu Z, Zhang B, Yang K, et al. Mode analyzing method for fast design of branch waveguide coupler[J]. IEEE Trans. Microwave Theory Tech., 2019, 67(12): 4733-4740.

    [12] [12] Li J, Zhang Y, Li J, et al. Frequency-switchable VO2-based coding metasurfaces at the terahertz band[J]. Opt. Commun., 2020, 458: 124744.

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    PAN Wu, QIU Sen, ZHANG Zhen, YE Kuan, HUANG Lei, LI Renpu. Terahertz Branching Waveguide Directional Coupler with Switchable Coupling Degree[J]. Semiconductor Optoelectronics, 2024, 45(5): 738

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    Paper Information

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    Received: Mar. 21, 2024

    Accepted: Feb. 13, 2025

    Published Online: Feb. 13, 2025

    The Author Email:

    DOI:10.16818/j.issn1001-5868.2024032101

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