Nanophotonics-inspired all-silicon waveguide platforms for terahertz integrated systems

RASD Koala, M Fujita, T Nagatsuma - Nanophotonics, 2022 - degruyter.com
Recent advances in silicon (Si) microphotonics have enabled novel devices for the terahertz
(THz) range based on dielectric waveguides. In the past couple of years, dielectric …

Terahertz topological photonic integrated circuits for 6G and beyond: A Perspective

A Kumar, M Gupta, P Pitchappa, N Wang… - Journal of Applied …, 2022 - pubs.aip.org
The development of terahertz integrated circuits is vital for realizing sixth-generation (6G)
wireless communication, high-speed on-chip interconnects, high-resolution imaging, on …

Wired THZ communications

G Xu, M Skorobogatiy - Journal of Infrared, Millimeter, and Terahertz …, 2022 - Springer
Terahertz (THz) wired communication, an emerging research hotspot, provides a novel
perspective for building the next generation of THz communication systems with …

Effective-medium-cladded dielectric waveguides for terahertz waves

W Gao, X Yu, M Fujita, T Nagatsuma, C Fumeaux… - Optics express, 2019 - opg.optica.org
Terahertz integrated platforms with high efficiency are crucial in a broad range of
applications including terahertz communications, radar, imaging and sensing. One key …

Dispersion-limited versus power-limited terahertz communication links using solid core subwavelength dielectric fibers

K Nallappan, Y Cao, G Xu, H Guerboukha… - Photonics …, 2020 - opg.optica.org
Terahertz (THz) band (0.1–10 THz) is the next frontier for ultra-high-speed communication
systems. Currently, most of communications research in this spectral range is focused on …

Efficient mode converter to deep-subwavelength region with photonic-crystal waveguide platform for terahertz applications

X Yu, JY Kim, M Fujita, T Nagatsuma - Optics express, 2019 - opg.optica.org
Metallic deep-subwavelength features can aid in integration of microscopic components or
strong light-matter interaction with a low-loss dielectric waveguide platform. A mode …

Ultra-low-loss and broadband all-silicon dielectric waveguides for WR-1 band (0.75–1.1 THz) modules

R Koala, R Maru, K Iyoda, L Yi, M Fujita, T Nagatsuma - Photonics, 2022 - mdpi.com
This study presents ultra-low-loss and broadband all-silicon dielectric waveguides for the
WR-1 band (0.75–1.1 THz). The waveguides are built in high-resistivity silicon (10 kΩ-cm) …

Bragg-mirror suppression for enhanced bandwidth in terahertz photonic crystal waveguides

D Headland, M Fujita… - IEEE Journal of Selected …, 2019 - ieeexplore.ieee.org
Terahertz technology is being accelerated by photonic crystal waveguides that are
implemented with an array of through-holes in an intrinsic silicon slab. Such waveguides …

Near-field out-of-plane coupling between terahertz photonic crystal waveguides

D Headland, X Yu, M Fujita, T Nagatsuma - Optica, 2019 - opg.optica.org
Terahertz-range photonic crystal waveguides composed of intrinsic silicon are showing
promise as an efficient and versatile waveguiding platform for diverse applications. Compact …

Copper coated PEEK hollow waveguide and durability investigations for low-loss and bendable transmission of low-frequency terahertz wave

S Liu, G Hou, Y Wu, S Yu, Z Zha, Y Zhu, Y Zhang… - Infrared Physics & …, 2023 - Elsevier
This work aims to develop a low-loss, bendable and durable terahertz (THz) hollow
waveguide (HWG) based on cost-effective copper (Cu) and polyether-ether-ketone (PEEK) …