Optical manipulation and photophoretic forces offer transformative tools for the control and analysis of aerosol particles. Optical trapping utilises highly focused light beams to exert radiation ...

Advancements in photonic integration demand high-speed, precise dynamic light field control and large-capacity information processing capability. As subwavelength artificial structures, metasurfaces ...

Near-field optical trapping has transformed particle manipulation in biology, chemistry, and nanotechnology, enabling contact-free control of objects ranging from nanoparticles to living cells.

Researchers at Heriot-Watt University have made a discovery that could pave the way for a transformative era in photonic technology. For decades, scientists have theorized the possibility of ...

Figure 1. Schematic diagram of the racemic metasurface. (a) Arbitrary polarization-wavefront conversion. (b) Racemic "super-units". Chirality is one of the fundamental phenomena widely present in ...

Recent advances in optical imaging and sensing have significantly improved our ability to investigate biological and material systems. However, many ...

MIT researchers have harnessed integrated optical phased array (OPA) technology to develop a type of integrated optical tweezers, akin to a miniature, chip-based “tractor beam”—like the one that ...

Researchers at Politecnico di Milano and CNR-IFN have demonstrated all-optical logic operations in a tungsten disulfide (WS₂) ...

Optical trapping is a powerful tool for manipulating microscopic particles, but conventional approaches often suffer from limited trapping range and ...

A recent study published in Advanced Optical Materials presents a novel method for depositing and patterning plasmonic gold nanorods (AuNRs) onto solid surfaces, specifically glass, using a ...

A micrometer-sized liquid crystal droplet doped with fluorescent dye functions as a nanosecond optical switch that controls light output using light alone. The resonant cavity design cuts the energy ...