Ultrafast lasers emit pulses lasting only a few hundred femtoseconds (quadrillionths of a second). These flashes of light ...

In the increasingly digital world, the demand for faster, more efficient and miniaturized optical devices is ever-growing. From high-speed internet and secure quantum communications to advanced ...

Nonlinear optics is the branch of photonics that studies material responses wherein the induced polarisation is not directly proportional to the applied electromagnetic field. In these media, intense ...

Chip-based ultrafast laser rivals tabletop systems, delivering powerful femtosecond pulses for sensing, spectroscopy, ...

Plasmonic structures exhibit a wide range of physical characteristics, which are benefited by the localized and intensified light–matter interaction. There have been many recent advancements with ...

Image Fig. 1. Overview of Metamaterials in Ultrafast Optics and Photonics. The left panel illustrates the modulation of ultrashort pulses through the use of metasurfaces. This includes various ...

a, diagrams for the three main ultrafast tip-based microscopy techniques discussed in the review. b, exploration of physical processes through the techniques described above, sorted on the basis of ...

Chinese physicists used quantum fluctuations to amplify laser effects while reducing the risk of material damage.

Researchers demonstrate that femtosecond laser-induced transient Pauli blocking can achieve ultrafast, broadband optical switching from visible to near-infrared. (Nanowerk News) Recent decades have ...

A standard digital camera used in a car for stuff like emergency braking has a perceptual latency of a hair above 20 milliseconds. That’s just the time needed for a camera to transform the photons ...

Nonlinear optics describes the regime in which the response of a material to an applied electromagnetic field depends nonlinearly on the field amplitude. Whereas in linear optics the induced ...