Dynamic 3D Metasurface Holography via Cascaded Polymer Dispersed Liquid Crystal Academic Background Metasurfaces, as two-dimensional subwavelength structures, enable local modulation of the phase and amplitude of light fields, offering novel solutions for the design of miniaturized optical devices. However, most existing metasurface holographic dis...
Coupling the Thermal Acoustic Modes of a Bubble to an Optomechanical Sensor Academic Background The acoustic behavior of bubbles in liquids has long been a significant research topic in physics and engineering. The vibrational modes of bubbles are not only closely related to acoustic phenomena in nature but also have broad applications in fields su...
Precision Autofocus in Optical Microscopy with Liquid Lenses Controlled by Deep Reinforcement Learning Academic Background Microscopic imaging plays a crucial role in scientific research, biomedical studies, and engineering applications. However, traditional microscopes and autofocus techniques face hardware limitations and slow software speeds in ...
Report on Stochastic Structured Illumination Microscopy (S2IM): Scan-less Super-Resolution Imaging Academic Background In the field of super-resolution microscopy, traditional Structured Illumination Microscopy (SIM) techniques rely on precise mechanical control and micron-scale optical alignment to achieve high-resolution imaging. However, these t...
MINFLUX Nanoscopy in Biological Tissue: Breaking the Resolution Barrier of Fluorescence Microscopy Academic Background Fluorescence microscopy plays a crucial role in biological research, but its resolution is limited by the diffraction barrier, typically around 200 nanometers. In recent years, the development of super-resolution microscopy (SR) te...
Controlling the Spectral Persistence of a Random Laser Research Background Since their theoretical proposal by Letokhov in the 1960s, Random Lasers (hereinafter referred to as RLs) have gradually become a widely researched field. A significant feature of RLs is that they do not require precisely manufactured optical cavities, which gives them consi...
Special Report: Pound–Drever–Hall Feedforward Technique: Laser Phase Noise Suppression Beyond Feedback Authors: Yu-Xin Chao, Zhen-Xing Hua, Xin-Hui Liang, Zong-Pei Yue, Li You, Meng Khoon Tey Institution: State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing, China Journal: Optica Publication D...
Research Report on Hybrid Integrated Ultra-Narrow Linewidth Self-Injection Locking 780nm Laser Background In modern technology, narrow linewidth lasers play an essential role in various applications, including classical and quantum sensing, ion trap systems, positioning/navigation/timing systems, optical clocks, and microwave frequency synthesizers...
Research on Interferometric Scattering Microscopy and Spatial Coherence Control for Multiparticle Tracking Background Introduction Interferometric Scattering (iSCAT) microscopy has demonstrated unparalleled performance in the field of label-free optical imaging, especially in the detection and imaging of isolated nanoparticles and molecules. Howeve...
Background Introduction Photon integrated circuits (PICs) are significant for achieving high-speed data transmission. However, traditional photon integrated circuits, which only use a single plane or a limited number of stacked planes, are restricted in optical signal routing. Additionally, coupling losses need to be as low as possible for practica...