Ultrafast carrier dynamics in terahertz photoconductors and photomixers: beyond short-carrier-lifetime semiconductors

PK Lu, AJ Fernandez Olvera, D Turan, TS Seifert… - …, 2022 - degruyter.com
Efficient terahertz generation and detection are a key prerequisite for high performance
terahertz systems. Major advancements in realizing efficient terahertz emitters and detectors …

Terahertz interface physics: from terahertz wave propagation to terahertz wave generation

W Du, Y Huang, Y Zhou, X Xu - Journal of Physics D: Applied …, 2022 - iopscience.iop.org
Terahertz (THz) interface physics as a new interdiscipline between the THz technique and
condensed matter physics has undergone rapid development in recent years. In particular …

Sensing and non-destructive testing applications of terahertz spectroscopy and imaging systems: State-of-the-art and state-of-the-practice

W Nsengiyumva, S Zhong, L Zheng… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Terahertz (THz) technology has firmly established itself as an effective sensing and
nondestructive testing (NDT) technique for the detection of substances and physicochemical …

Coherent terahertz radiation with 2.8-octave tunability through chip-scale photomixed microresonator optical parametric oscillation

W Wang, PK Lu, AK Vinod, D Turan… - Nature …, 2022 - nature.com
High-spectral-purity frequency-agile room-temperature sources in the terahertz spectrum are
foundational elements for imaging, sensing, metrology, and communications. Here we …

Magnetic Field‐Assisted Laser Shock Peening of Ti6Al4V Alloy

G He, C Qian, Z Cai, K Li, Q Liu… - Advanced Engineering …, 2023 - Wiley Online Library
Laser shock peening is widely used in mechanical property improvements of metallic
materials. One concerning factor is the nonuniformity of mechanical properties and …

Enhanced THz radiation through a thick plasmonic electrode grating photoconductive antenna with tight photocarrier confinement

DS Ponomarev, DV Lavrukhin, IA Glinskiy… - Optics Letters, 2023 - opg.optica.org
We propose the design of a photoconductive antenna (PCA) emitter with a plasmonic
grating featuring a very high plasmonic Au electrode with a thickness of 170? nm. As we …

Excitation and detection of coherent sub-terahertz magnons in ferromagnetic and antiferromagnetic heterostructures

S Zhuang, JM Hu - npj Computational Materials, 2022 - nature.com
Excitation of coherent high-frequency magnons (quanta of spin waves) is critical to the
development of high-speed magnonic devices. Here we computationally demonstrate the …

Channel estimation and secret key rate analysis of MIMO terahertz quantum key distribution

NK Kundu, SP Dash, MR Mckay… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
We study the secret key rate (SKR) of a multiple-input multiple-output (MIMO) continuous
variable quantum key distribution (CVQKD) system operating at terahertz (THz) frequencies …

Plasmonic photoconductive terahertz focal-plane array with pixel super-resolution

X Li, D Mengu, NT Yardimci, D Turan, A Charkhesht… - Nature …, 2024 - nature.com
Imaging systems operating in the terahertz part of the electromagnetic spectrum are
attractive due to their ability to penetrate many opaque materials and provide unique …

Frequency-domain terahertz spectroscopy using long-carrier-lifetime photoconductive antennas

PK Lu, M Jarrahi - Optics Express, 2023 - opg.optica.org
We present a telecommunication-compatible frequency-domain terahertz spectroscopy
system realized by novel photoconductive antennas without using short-carrier-lifetime …