Terahertz MEMS metadevices

P Pitchappa, A Kumar, R Singh, C Lee… - … of Micromechanics and …, 2021 - iopscience.iop.org
Terahertz (THz) part of the electromagnetic spectrum (0.1–10 THz) holds the key for next-
generation high-speed wireless communication, non-destructive biosensing, fingerprint …

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 …

Needle-Shaped WO3 Nanorods for Triethylamine Gas Sensing

Q Hu, J He, J Chang, J Gao, J Huang… - ACS Applied Nano …, 2020 - ACS Publications
The accurate and rapid monitoring of triethylamine (TEA) is highly desired for human health,
environmental protection, and food safety. Herein, we have fabricated a WO3 sample with a …

Volatile ultrafast switching at multilevel nonvolatile states of phase change material for active flexible terahertz metadevices

P Pitchappa, A Kumar, S Prakash… - Advanced Functional …, 2021 - Wiley Online Library
Phase change materials provide unique reconfigurable properties for photonic applications
that mainly arise from their exotic characteristic to reversibly switch between the amorphous …

Optically controlled ultrafast terahertz metadevices with ultralow pump threshold

J Lou, X Xu, Y Huang, Y Yu, J Wang, G Fang, J Liang… - Small, 2021 - Wiley Online Library
Arming metasurface with active materials furnishes a feasible solution to dynamically control
over terahertz (THz) waves, which is extremely significant for the realization of upcoming …

Electrically tuneable terahertz metasurface enabled by a graphene/gold bilayer structure

AD Squires, X Gao, J Du, Z Han, DH Seo… - Communications …, 2022 - nature.com
Reconfigurable terahertz electronics devices with high tuneability are pivotal for next-
generation high speed wireless communication and sensing technologies. Significant …

Multifield Controlled Terahertz Modulator Based on Silicon‐Vanadium Dioxide Hybrid Metasurface

X Zhao, J Lou, X Xu, Y Yu, G Wang, J Qi… - Advanced Optical …, 2022 - Wiley Online Library
Despite flourishing and deepening trend in the terahertz (THz) field, there are still
challenges in high‐performance active system components, such as THz modulators …

Millimeter wave photonics with terahertz semiconductor lasers

V Pistore, H Nong, PB Vigneron, K Garrasi… - Nature …, 2021 - nature.com
Millimeter wave (mmWave) generation using photonic techniques has so far been limited to
the use of near-infrared lasers that are down-converted to the mmWave region. However …

[HTML][HTML] Multi-frequency 5G NR millimeter-wave signal generation over analog RoF link using optical frequency combs

A Delmade, LP Barry, D Dass, C Browning - Optics Communications, 2023 - Elsevier
Optical heterodyne analog radio-over-fiber (A-RoF) links can provide a cost-effective and
spectrally efficient solution for the generation and distribution of millimeter-wave/Terahertz …

All-optical high-speed modulation of THz transmission through silicon core optical fibers

T Sørgård, T Hawkins, J Ballato, UL Österberg… - Optics …, 2021 - opg.optica.org
High speed optical modulation of THz radiation is of interest for information processing and
communications applications. In this paper infrared femtosecond pulses are used to …