259 papers
This paper demonstrates a simplified method for three-dimensional optical feedback cooling of a levitated nanoparticle to millikelvin temperatures by utilizing an interference-enhanced optical force within a single beam path, eliminating the need for complex multi-beam setups or electrical actuation.
This paper experimentally demonstrates coherent perfect absorption of anti-modes in an indirectly coupled magnon-polariton system, revealing that the effective decay rate governs spectral amplitude while enabling magnetically tunable, frequency-selective microwave absorption.
This paper demonstrates that a double-grating waveguide featuring a fourth-order exceptional point degeneracy, known as a degenerate band edge, enables highly efficient second-harmonic generation with a conversion efficiency scaling as , offering a promising platform for miniaturized nonlinear photonic devices without requiring collinear phase matching.
This paper presents the development of single-mode focusing surface-acoustic-wave resonators on thin-film lithium niobate on sapphire, utilizing a sub-wavelength film thickness for acoustic confinement, Gaussian-shaped contoured electrodes for diffraction-limited focusing, and apodization techniques to effectively suppress undesired higher-order transverse modes.
This paper introduces and experimentally demonstrates the Optical Parametric Multi-Pass Cell Amplifier (OPMPC), a hybrid architecture that combines multi-pass cell post-compression and optical parametric amplification to achieve record-high 43% pump-to-signal conversion efficiency, excellent beam quality, and high temporal contrast for ultrafast pulse generation.
This paper presents a simple, low-cost educational experiment using a commercial polarization grating to teach undergraduate students about vector diffraction and Stokes polarimetry, while also demonstrating practical challenges in solving linear systems for device characterization.
This paper demonstrates that a two-dimensional photonic crystal composed of spinning dielectric cylinders can achieve strong optical nonreciprocity through the interaction of circularly polarized light with chiral hybridized multipole modes and symmetry-protected bound states in the continuum, enabling sharp, high-quality-factor transitions in transmission and absorption.
This paper demonstrates a scalable, polarization-selective quantum light modulator by engineering dual-species atom arrays to break in-plane symmetry and achieve complete reflection of specific polarization components through cooperative subradiant modes.
This paper presents a compact, intensity-based phase retrieval method for convergent beams that utilizes a practical Fourier-transform recipe to adapt multi-plane Gerchberg-Saxton reconstruction, thereby reducing the size, weight, and cost of nonlinear curvature wavefront sensors while maintaining robustness and improving signal-to-noise ratio.
This paper proposes a multi-Agent collaborative architecture that integrates Large Language Models with existing optical network O&M tools to automate key tasks like channel management and fault resolution, thereby establishing a conceptual framework for future autonomous, closed-loop network operations.
This paper demonstrates a silicon metasurface sensor utilizing quasi-bound states in the continuum (qBICs) with a high quality factor of 4.5 × 10⁴ to achieve single-nanoparticle detection by resolving step-like resonance shifts and linewidth changes induced by individual 100 nm particles.
This paper demonstrates that utilizing passively phase-stable standing waves within an integrated optical control system enables rapid, multi-mode laser cooling of trapped calcium ions to the quantum ground state, significantly outperforming conventional running-wave schemes in cooling speed, bandwidth, and final phonon occupancy.
This paper theoretically demonstrates that composite gold-vanadium dioxide plasmonic antennas enable reconfigurable switching between electric and magnetic hot spots, offering enhanced optical control and novel features like joint hotspots compared to static gold or ON/OFF switching VO2 systems.
This paper presents experimental verification and numerical simulations demonstrating that the spontaneous symmetry breaking machine (SSBM) can effectively solve combinatorial optimization problems, including the large-scale benchmark, by leveraging its unique principle to explore extremely stable states.
This review examines recent advancements in head-mounted miniaturized microscopes (miniscopes) for imaging neural activity in freely-behaving animals, highlighting their expanded capabilities, current technical challenges, and future technological prospects in one-photon and multi-photon systems.
This paper demonstrates a twelve-fold enhancement in signal-to-noise ratio for magnetic field sensing by utilizing a third-order exceptional point of coherent perfect absorption in a passive cavity magnonic system, which effectively circumvents the noise divergence typically associated with higher-order exceptional points.
This paper demonstrates that three-dimensional Bragg ptychography (3DBP) overcomes the phase retrieval limitations of traditional Bragg coherent diffraction imaging (BCDI) by successfully imaging micro-crystals with lattice distortions more than six times larger, thereby enabling reliable quantitative 3D imaging of strongly deformed systems.
This paper presents a piezoelectrically tunable Fabry-Perot cavity that achieves exceptional thermal stability and frequency precision at approximately 5°C, thereby eliminating the need for external active feedback systems in atomic physics experiments such as ultra-stable superradiant lasers.
This paper presents a tractable numerical model based on coupled field equations to simulate light propagation and amplification efficiency in highly multimode, Yb-doped fiber amplifiers, accounting for gain saturation, mode-dependent gain, and ASE suppression to facilitate the study of power scaling and nonlinearity mitigation.
The paper introduces QuaNTUM, a modular and open-access quantum communication testbed developed at the Technical University of Munich that integrates fiber-based campus networks with satellite-ground links to enable scalable, high-fidelity quantum key distribution and entanglement distribution using advanced solid-state single-photon sources.