Wireless communications sensing and security above 100 GHz

JM Jornet, EW Knightly, DM Mittleman - Nature communications, 2023 - nature.com
The field of sub-terahertz wireless communications is advancing rapidly, with major research
efforts ramping up around the globe. To address some of the significant hurdles associated …

Multi-user orbital angular momentum based terahertz communications

R Chen, M Chen, X Xiao, W Zhang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Terahertz (THz) wireless communications are commonly regarded as one of the key
technologies of 6G communication. Combined with THz, the newly exploited physical layer …

High capacity terahertz communication systems based on multiple orbital-angular-momentum beams

AE Willner, X Su, H Zhou, A Minoofar, Z Zhao… - Journal of …, 2022 - iopscience.iop.org
Structured electromagnetic waves carrying orbital angular momentum (OAM) have been
explored in various frequency regimes to enhance the data capacity of communication …

Integrated circuits based on broadband pixel-array metasurfaces for generating data-carrying optical and THz orbital angular momentum beams

AE Willner, X Su, H Song, H Zhou, K Zou - Nanophotonics, 2023 - degruyter.com
There is growing interest in using multiple multiplexed orthogonal orbital angular momentum
(OAM) beams to increase the data capacity of communication systems in different frequency …

A THz integrated circuit based on a pixel array to mode multiplex two 10-Gbit/s QPSK channels each on a different OAM beam

X Su, H Song, H Zhou, K Zou, Y Duan… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
We experimentally demonstrate a THz integrated circuit with a pixel-array-based orbital-
angular-momentum (OAM) mode converter for the generation and multiplexing of multiple …

A 1.42-mm2 0.45–0.49 THz Monostatic FMCW Radar Transceiver in 90-nm SiGe BiCMOS

C Mangiavillano, A Kaineder… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Terahertz frequency-modulated continuous-wave (FMCW) radars operating close to and
beyond often use gain-enhancing lenses to improve the signal-to-noise ratio. A compact …

Physical-layer identification of wireless IoT nodes through PUF-controlled transmitter spectral regrowth

Q Zhou, Y He, K Yang, T Chi - IEEE Transactions on Microwave …, 2023 - ieeexplore.ieee.org
Securing low-power Internet-of-Things (IoT) sensor nodes is a critical challenge for the
widespread adoption of IoT technology due to their limited energy, computation, and storage …

Orbital angular momentum multiplexing using radio wave and its extension to multishape radio

D Lee, H Sasaki, Y Yagi, H Shiba - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
Orbital angular momentum (OAM) is a physical property of electromagnetic waves
characterized by a helical phase front in the propagation direction. Much research has been …

Physical-layer security for THz communications via orbital angular momentum waves

J Woo, MIW Khan, MI Ibrahim, R Han… - … IEEE Workshop on …, 2022 - ieeexplore.ieee.org
This paper presents a physically-secure wireless communication system utilizing orbital
angular momentum (OAM) waves at 0.31 THz. A trustworthy key distribution mechanism for …

Orbital angular momentum in the near-field of a fork grating

KM Dettlaff, E Mavrona, P Zolliker, E Hack - Optics Express, 2023 - opg.optica.org
Light beams with Orbital Angular Momentum (OAM) are explored in applications from
microscopy to quantum communication, while the Talbot effect revives in applications from …