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...

Observation of Inter-Band Kelly Sidebands in Coupled Ring Comb Microcombs Background Introduction Kelly Sidebands (KSS) are special dispersive waves that appear in mode-locked systems and have been extensively studied in fiber lasers. However, due to the shorter path lengths of integrated photonics microresonators, their generation in integrated mi...

High-Speed High-Power Free-Space Optical Communication: Direct Modulation of Watt-Level Photonic Crystal Surface-Emitting Lasers Background Introduction As a vital light source for optical communication, semiconductor lasers are widely used due to their small size, low cost, long lifespan, and high efficiency. For example, vertical-cavity surface-e...

Hyperspectral In-Memory Computing and Applications of Optical Frequency Comb and Programmable Optical Memory Introduction In recent years, breakthroughs in machine learning have driven revolutionary developments in various industries, including healthcare, finance, retail, automotive, and manufacturing. These transformations have led to a surge in ...