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 …

Unclad microphotonics for terahertz waveguides and systems

D Headland, W Withayachumnankul, X Yu… - Journal of Lightwave …, 2020 - opg.optica.org
A practical approach to realize substrateless, unclad, micro-scale intrinsic silicon
waveguides for the terahertz range is presented. The waveguides are monolithically …

Terahertz integration platforms using substrateless all-silicon microstructures

D Headland, M Fujita, G Carpintero, T Nagatsuma… - APL Photonics, 2023 - pubs.aip.org
The absence of a suitable standard device platform for terahertz waves is currently a major
roadblock that is inhibiting the widespread adoption and exploitation of terahertz technology …

Terahertz asymmetric metallic hole arrays with polarization-independent quasi-bound states in the continuum for membrane sensing

D Liu, X Yu, F Wu, W Du, L Chen, F Liu, M Kuwahara… - Optics …, 2023 - opg.optica.org
Resonances with both high-quality factor and polarization-independent characteristics are
highly desirable for terahertz (THz) sensing. Here, THz sensors based on asymmetric …

Dielectric slot-coupled half-Maxwell fisheye lens as octave-bandwidth beam expander for terahertz-range applications

D Headland, AK Klein, M Fujita, T Nagatsuma - APL Photonics, 2021 - pubs.aip.org
We present a paradigm for integrated photonic devices based on broadband slab-confined
collimated beams that are launched with half-Maxwell fisheye lenses. Although it is …

Highly efficient resonant tunneling diode terahertz oscillator with a split ring resonator

X Yu, Y Suzuki, M Van Ta, S Suzuki… - IEEE Electron Device …, 2021 - ieeexplore.ieee.org
Compact resonant tunneling diode (RTD) oscillators have attracted considerable attention
for terahertz generation at room temperature. Here, we propose and fabricate a novel and …

Terahertz oscillator chips backside-coupled to unclad microphotonics

DJ Headland, Y Nishida, X Yu, M Fujita… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
Terahertz technology is largely dependent upon planar on-chip antennas that radiate
downwards through the substrate, and so an effective means to interface these antennas …

Hybrid integration between resonant tunneling diodes and unclad microphotonic diplexer for dual-channel coherent terahertz receiver

X Yu, D Headland, Y Nishida… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
Recent advances in substrateless all-silicon microphotonics are leading towards a much-
needed general-purpose platform for compact integrated devices and systems for terahertz …

THz Bragg structures fabricated with additive manufacturing

CH Brodie, I Spotts, CM Collier - Applied Optics, 2023 - opg.optica.org
The advancement of THz science and technology is desirable to facilitate the application of
THz technologies in many sectors. Specialized THz photonic elements for these applications …