318 citations · 647 across the 16 of their papers we have counts for
16 papers
Terahertz spin currents in nanoscale spatial resolution
Jiahua Cai, Mingcong Dai, Sai Chen +8
The ability to generate, detect, and control coherent terahertz (THz) spin currents with femtosecond temporal and nanoscale spatial resolution has significant ramifications. The di…
Generation and manipulation of chiral terahertz waves emitted from the three-dimensional topological insulator Bi2Te3
Haihui Zhao, Xinhou Chen, Chen Ouyang +12
Arbitrary manipulation of broadband terahertz waves with flexible polarization shaping at the source has great potential in expanding real applications such as imaging, information…
Terahertz Strong-Field Physics in Light-Emitting Diodes for Terahertz Detection and Imaging
Chen Ouyang, Shangqing Li, Jinglong Ma +13
Intense terahertz (THz) electromagnetic fields have been utilized to reveal a variety of extremely nonlinear optical effects in many materials through nonperturbative driving of el…
1.4-mJ High Energy Terahertz Radiation from Lithium Niobates
Baolong Zhang, Zhenzhe Ma, Jinglong Ma +8
Free-space super-strong terahertz (THz) electromagnetic fields offer multifaceted capabilities for reaching extreme nonlinear THz optics, accelerating and manipulating charged part…
Tunable High-Quality Fano Resonance in Coupled Terahertz Whispering-Gallery-Mode Resonators
Shixing Yuan, Liao Chen, Ziwei Wang +3
Fano resonance is widely discussed in designing novel terahertz components, such as sensors, filters, modulators, and group delay modules. Usually, high quality (Q) factor and flex…
Observation of Kerr nonlinearity and Kerr-like nonlinearity induced by terahertz generation in LiNbO
Bo Wang, Chun Wang, Li Wang +1
Femtosecond laser pulses interacting with LiNbO3 has been widely applied in intense terahertz generation, excitation and imaging of phonon polaritons and modulating light. It is of…
Optimization of high performance spintronic terahertz sources
Fengwei Guo, Xiaojun Wu, Tianxiao Nie +11
To achieve high efficiency and good performance of spintronic terahertz sources, we propose and corroborate a remnant magnetization method to radiate continuously and stably terahe…
Enhancement of Spintronic Terahertz Emission via Annealing in Ferromagnetic Heterostructures
Xiaojun Wu, Yang Gao, Yanbin He +11
We systematically investigate the influence of annealing effect on terahertz (THz) generation from CoFeB based magnetic nanofilms driven by femtosecond laser pulses. Three times en…
Broadband Magnetic-Manipulated Spintronic Terahertz Emitter with Arbitrarily Tunable Polarizations
Xiaojun Wu, Deyin Kong, Tianxiao Nie +10
Flexible manipulation of terahertz-wave polarization during the generation process is very important for terahertz applications, especially for the next-generation on-chip function…
Femtosecond control of terahertz spin-charge conversion in ferromagnetic heterostructures
Xiaojun Wu, Tianxiao Nie, Bo Wang +11
Employing electron spin instead of charge to develop spintronic devices holds the merits of low-power consumption in information technologies. Meanwhile, the demand for increasing…
Segmented Terahertz Electron Accelerator and Manipulator (STEAM)
Dongfang Zhang, Arya Fallahi, Michael Hemmer +8
Acceleration and manipulation of ultrashort electron bunches are the basis behind electron and X-ray devices used for ultrafast, atomic-scale imaging and spectroscopy. Using laser-…
Terahertz-driven, all-optical electron gun
W. Ronny Huang, Arya Fallahi, Xiaojun Wu +7
Ultrashort electron beams with narrow energy spread, high charge, and low jitter are essential for resolving phase transitions in metals, semiconductors, and molecular crystals. Th…
Effective Path Towards Relativistic Transients at Millimeter Wavelengths
Sergio Carbajo, Anne-Laure Calendron, Huseyin Cankaya +6
We refine the method towards extraction of sub-cycle transients in the 0.1-1 THz frequency (mm-wavelength) range from optical rectification in lithium niobate using tilted pulse fr…
Half-percent terahertz generation efficiency from cryogenically cooled lithium niobate pumped by Ti:sapphire laser pulses
Xiaojun Wu, Koustuban Ravi, Wenqian Ronny Huang +6
We obtained an optical-to-terahertz (THz) energy conversion efficiency of 0.5% using the tilted-pulse-front technique in lithium niobate at a cryogenically cooled temperature of 10…
Terahertz Generation in Lithium Niobate Driven by Ti:Sapphire Laser Pulses and its Limitations
Xiaojun Wu, Sergio Carbajo, Koustuban Ravi +5
We experimentally investigate the limits to 800 nm-to-terahertz (THz) energy conversion in lithium niobate at room temperature driven by amplified Ti:Sapphire laser pulses with til…
Limitations to THz generation by optical rectification using tilted pulse fronts
Koustuban Ravi, Wenqian Ronny Huang, Sergio Carbajo +2
Terahertz (THz) generation by optical rectification (OR) using tilted-pulse-fronts is studied. One-dimensional (1-D) and 2-D spatial models, which simultaneously account for (i) th…