Results 191 to 200 of about 3,205 (255)
Optomechanical frequency combs are generated in high‐Q microbubble cavities by simultaneous ultrasound and laser excitation, arising from nonlinear coupling between optomechanical modes and ultrasonically driven mechanical oscillations. Comb spacing and intensity are tunable through acoustic and optical parameters, whereas the optical spring effect ...
Yuxing Zhang +5 more
wiley +1 more source
Dynamic Polarization Control of Nonlinear Terahertz Photoresponse via Topological Phase Transitions. [PDF]
Zhang L +15 more
europepmc +1 more source
Lithography‐free spaced TiO2 NT arrays unlock tunable broadband absorption from THz to UV. By harnessing annealing‐driven phase transitions, strong phonon–polariton resonances emerge in the 1.4–3.6 THz range, whereas high absorptance persists beyond 10 THz.
Anjali Chaudhary +9 more
wiley +1 more source
Fabrication of Terahertz Fresnel Zone Plates via Ultraprecision Mechanical Processing. [PDF]
Chen M, Wang J, Fang F.
europepmc +1 more source
Radiation‐Free In‐Gap Finite Barrier Bound States in a Lithium Niobate‐Based Honeycomb Lattice
This work demonstrates radiation‐free finite barrier bound states (FBBSs), successfully overcoming the high propagation loss challenge inherent in conventional FBBS designs while enabling flexible electro‐optic tunability. These findings establish a versatile platform for on‐chip integrated, high‐modulation‐efficiency electro‐optic modulators and ...
Yiru Du +8 more
wiley +1 more source
Giant room-temperature terahertz photothermoelectric response mediated by hot carriers at the metal-semimetal interfaces. [PDF]
Cai M +16 more
europepmc +1 more source
In the work reported herein, dipole‐engineered sulfonated carbon nanofibers enable conductive additives to actively regulate interphase formation in silicon anodes. Polar sulfonyl groups guide electrolyte decomposition to form a compact LiF‐rich interphase while promoting robust integration with silicon.
Song Kyu Kang +6 more
wiley +1 more source
Thin-film lithium niobate terahertz differential field detectors with a bandwidth reaching 3 terahertz. [PDF]
Herter A +3 more
europepmc +1 more source
A Hybrid Computational Framework for PCF‐based SPR Sensor With Machine Learning and xAI
A photonic crystal fiber‐based surface plasmon resonance (SPR) sensor integrating rectangular air holes along with conventional circular air holes achieves exceptional wavelength sensitivity of 15,000 nm/RIU across a broad refractive index range of 1.31–1.39. Integrated machine learning with explainable AI (xAI) models achieves high prediction accuracy
Mahabur Rahman Fahim +3 more
wiley +1 more source
Non-destructive inspection of oil-water two-phase systems by terahertz optoacoustics. [PDF]
Yao Y +6 more
europepmc +1 more source

