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We introduce an innovative quartz-enhanced multiheterodyne resonant photoacoustic spectroscopy technique that utilizes a quartz tuning fork to achieve resonant detection of a dual comb based on the photoacoustic effect.
We demonstrate free-space coupling to microtoroids using one objective to excite and collect scattered resonant light. We achieve Q-factors > 108 and perform sensing with an SNR > 26 dB.
We developed a geometric approach to identify highly anisotropic materials. This leads to the discovery of giant anisotropy of As2S3, enabling the record-small quarter-wave plate.
A time-domain excitation strategy for stimulated Raman scattering was achieved by manipulating vibrational wave packet interference. The new method enables simultaneous sub-mM level sensitivity and natural-linewidth-limit Raman spectra.
We have introduced Te-based all-2D heterojunctions as optically controlled terahertz modulators to significantly promote the device performances and elaborated their charge dynamics driven by substrate effect through first-principles calculations.
We explore an open trajectory linking two infinite points having the same asymptotic eigenmodes, demonstrating that this platform enables high-efficiency chiral transmission, with each eigenmode localized in a single waveguide.
We theoretically demonstrate a novel Stimulated Raman Scattering spectroscopy with hyper spectral resolution and high-speed spectral acquisition using offset-phase controlled fs-pulse bursts.
A holographic camera for acquiring high-fidelity holograms of real 3D scenes based on a liquid camera and an end-to-end physical model-driven network is proposed.
We have theoretically and experimentally proven the potential of multi-junction VCSELs to achieve high electro-optical conversion efficiency, providing insights for the further development and application of high efficiency semiconductor lasers.
Inspired by human brain for multi-task continual learning, a generalized photonic neuromorphic architecture (L2ONN) is proposed to model physical-driven light sparsity and parallelism, towards reconfigurable and scalable lifelong learning.
We report a light-controlled soft bio-microrobots (called “Ebot”) based on Euglena gracilis that are capable of performing multiple tasks in narrow and changeable microenvironments with high controllability, deformability and adaptability.
We cascade VO2-based tunable optical cavities with selective-transparent layers to overcome the wavelength dependence, realizing the multispectral manipulation with reversible tunability covering wavelengths ranging from the VIS to MW regions.
The centrally located reciprocal point can achieve single-mode transmission and switch off the photonic molecule. The deviated reciprocal point can switch on the photonic molecule and dynamically control the splitting.
A novel generic high-fidelity Raman spectral denoising and baseline correction strategy to enhance diverse cross-device/specimen biomedical applications and hyperspectral image chemical resolution visualization to reveal spatial features of cancer tissue.
We develop a wearable and interactive multicolored photochromic fiber using the thermal drawing technique, which overcomes the dependence on external light sources and the non-uniform light emission observed in polymer optical and photochromic fibers.