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We report a deep-trap ultraviolet persistent phosphor with thermoluminescence glow peaks beyond 500 K that exhibits intense and long-lasting ultraviolet luminescence under indoor lighting conditions but emits negligible afterglow in darkness.
We explore and observe the spatio-temporal breather dynamics of optical soliton frequency comb crystals, examining spatial breathers, chaos transitions, and dynamical switching – in nonlinear measurements and theory.
This study demonstrates the Coulomb focusing in nonadiabatic tunneling ionization inducing the convergence of electrons emitted at different initial ionization times to the same emission angle, thereby breaking the one‐to-one correspondence—one of the fundamental assumption in attosecond angular streaking.
We experimentally demonstrate high-quality infrared imaging ranging from >1000 to 4000 nanometers with Si metasurfaces based on four-wave mixing (FWM) processes, by employing a pump beam at resonant position.
A liquid crystal spectral singlet lens unifying optical imaging and computational spectrometry functions enables the creation of minimalist, miniaturized and high-performance hyperspectral cameras.
We propose a plasmonic effect-assisted pyroelectric detector covered by an inhomogeneous Al metasurface, which exhibits ultrafast response speed and extended near-infrared response spectrum.
Coherent photon statistics is demonstrated regardless of the mean photon number in a high-Q thresholdless superradiant laser by phase-aligned two-level atoms.
We present wavelength-scanning Fourier ptychographic diffraction tomography (wsFPDT), a lens-free on-chip tomography method for high-throughput, motion-free, pixel-super-resolved 3D imaging with quasi-uniform resolution across the sensor’s full field of view.
Combining a simple (yet powerful) light-trapping structure with a luminescent down-shifting material (t-U (500)/Eu3 + ) allows remarkable efficiency enhancement (28%) in perovskite solar cells while providing protection against damaging UV radiation.
An innovative multi-step facet engineering approach was developed to achieve InGaAs/InP quantum well nanowire arrays with conttolled dimensions, uniform morphology and high crystal quality, enabling low-threshold lasing in the telecom-band.
Analogous to a jet-fighter, the drug-loaded fiber-optic therapeutics can attack tumor synergistically combing direct PTT and controlled-released chemo-drugs regardless the tissue barrier, and monitor therapeutic dosage at the lesion.
We demonstrate entirely connected and octave-spanning Kerr soliton frequency combs on thin-film lithium niobate, enabled by dispersion- and dissipation-engineered microresonators with consistently suppressed stimulated Raman scattering.
We demonstrate a metalens that can realize multifaceted control of focal points along any 3D curved trajectory. Each wavelength corresponds to a focal point with a predesigned polarization state.
Femtosecond Laser-sheet Compressed Ultrafast Photography (fsLS-CUP) is the world’s fastest real-time planar imaging camera (250 billion fps), enabling nanosecond observation of laser-nanoparticle interactions and hydrocarbon dynamics in flames simultaneously.