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 |Show fewer author(s)
Author Affiliations
  • College of Photoelectronic Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, CHN
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    References(11)

    [1] [1] Jepsen P U, Cooke D G, Koch M. Terahertz spectroscopy and imaging—Modern techniques and applications[J]. Laser Photonics Rev., 2011, 5(1): 124-166.

    [2] [2] Hosako I, Sekine N, Patrashin M, et al. At the dawn of a new era in terahertz technology[J]. Proc. of the IEEE, 2007, 95(8): 1611-1623.

    [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.

    [10] [10] Reed J. The multiple branch waveguide coupler[J]. IRE Trans. Microwave Theory Tech., 1958, 6(4): 398-403.

    [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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