High-Birefringence Low-Loss Hollow-Core THz Waveguide Embedded Parallel Slab Cladding

Xue, Lu; Sheng, Xinzhi; Lou, Shuqin; Zhao, Guozhong; Xing, Zhen; Jia, Haoqiang

doi:10.1109/tthz.2022.3189205

Cited by 12 publications

(5 citation statements)

References 33 publications

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“…This waveguide is manufactured with photosensitive resins by using 3D printing technology and investigated using THz-TD spectroscopy. The authors claim to achieve the lowest loss about 0.12 cm -1 by using this proposed waveguide [51].…”

Section: A Hollow Corementioning

confidence: 93%

Low Loss THz Waveguides and Its Potentials towards 6G Communication: A Brief Chronicle Review

Sohoo

2024

IJEETC

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Advancement in technology has opened the doors for the terahertz (THz) frequency range to be applied in different fields for various applications. The future communication technology, especially 6G, will also intend to utilize the THz frequency band due to its large bandwidth that has the capabilities to achieve a high data rate. Great losses are presented in the early research into terahertz transmission medium. It is critical to design an appropriate waveguide that can integrate the THz waves into the system efficiently with minimum loss and provides the ease of transmission of data and overcomes the free space loss issues. Communication, sensing, and other application parameters are highly affected by transmission losses; therefore, low transmission loss and dispersion loss waveguide designs are required for proper utilization. In this paper, the review on reduction in the transmission loss in different types of waveguides operating at the Terahertz frequency range is studied. The design and the experimental setup for several classes of THz waveguides for minimizing transmission loss are also discussed. The review study shows that these waveguides can be a promising transmission medium for future 6G communication.

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Section: A Hollow Corementioning

confidence: 93%

Low Loss THz Waveguides and Its Potentials towards 6G Communication: A Brief Chronicle Review

Sohoo

2024

IJEETC

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“…Therefore, both the signal phase φ and the electric field component E as a function of the frequencies are resolved. By comparing the signal phase delay Δφ and intensity change with the reference signal, the real part n and the attenuation coefficient αmat of the materials can be determined as below [13]:…”

Section: Properties Of the Waveguide Materialsmentioning

confidence: 99%

“…) where Δφ = φsam-φref indicates the phase difference between the sample and reference signal, L is the thickness of the sample, c is the speed of light in vacuum, f is the frequency of the THz signal, Esam and Eref are the electric field component of the sample and reference signal, respectively. The imaginary part k refers to the extinction coefficient calculated in terms of the attenuation coefficient αmat as follows [13]:…”

Section: Properties Of the Waveguide Materialsmentioning

confidence: 99%

“…Porous-core waveguides show reduced losses, but their complex structures render commercial manufacturing difficult [10][11][12]. Hollow-core waveguides offer an effective approach to realize low losses by confining most of the power in the air core to reduce the material loss [13][14][15]. Hence, hollowcore waveguides have received increasing attention in recent years due to the smaller transmission losses.…”

Section: Introductionmentioning

confidence: 99%

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Single-Mode Hollow-Core Anti-Resonant Waveguides for Low-Loss THz Wave Propagation

Xue,

Sheng,

et al. 2023

J Infrared Milli Terahz Waves

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A single-mode hollow-core anti-resonant (HC-AR) waveguide designed for low-loss terahertz (THz) wave propagation is fabricated by three-dimensional (3D) printing. Compared to similar structures reported recently, the rotating-nested semi-elliptical tubes (SETs) in the HC-AR THz waveguide cladding suppress multiple high-order modes (LP11, LP21, and LP02 modes) at the same time giving rise to enhanced single-mode transmission and low losses. Three HC-AR THz waveguides with different wall thicknesses are produced using two photosensitive resins and analyzed by THz time-domain spectroscopy (THz-TDS). The experimental results show that the electric field distributions at the output end of these waveguides have a Gaussian-like distribution reflecting that of the single mode. The smallest transmission losses determined by the 'cut-back' method are 0.03 cm -1 at 0.31 THz for sample A, 0.02 cm -1 at 0.4 THz for sample B, and 0.01 cm -1 at 0.23 THz for sample C. The consistent experimental and simulated results reveal that the HC-AR THz waveguide has many advantages over current ones by achieving low losses and single-mode operation simultaneously.

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“…Simulation results that the fiber exhibits the lowest loss of 0.034 dB/m at 1 THz. Lu et al [15] proposed a low-loss THz HC-ARF using a photosensitive resin (PMMA). Experimental results demonstrate that the transmission loss of the THz HC-ARF is 0.12cm -1 at 0.39THz.…”

Section: Introductionmentioning

confidence: 99%

Research on hollow-core terahertz fiber based on Bragg anti-resonant elements arranged in a hexagonal structure

Ding,

Chen

et al. 2024

Optik

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High-Birefringence Low-Loss Hollow-Core THz Waveguide Embedded Parallel Slab Cladding

Cited by 12 publications

References 33 publications

Low Loss THz Waveguides and Its Potentials towards 6G Communication: A Brief Chronicle Review

Low Loss THz Waveguides and Its Potentials towards 6G Communication: A Brief Chronicle Review

Single-Mode Hollow-Core Anti-Resonant Waveguides for Low-Loss THz Wave Propagation

Research on hollow-core terahertz fiber based on Bragg anti-resonant elements arranged in a hexagonal structure

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