Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and Technical University of Vienna (TU Wien) have invented a new type of tunable semiconductor laser that combines the best attributes ...
Optics & Photonics
Jul 10, 2025
0
116
Physicists at Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have created a compact laser that emits extremely bright, short pulses of light in a useful but difficult-to-achieve wavelength range, ...
Optics & Photonics
Apr 16, 2025
0
55
Today's super-resolution microscopes have made it possible to observe the nanoscale world with unprecedented detail. However, they require fluorescent tags, which reveal structural details but provide little chemical information ...
Nanophysics
Apr 14, 2025
0
83
Researchers have developed a new fabrication process that allows infrared (IR) glass to be combined with another glass and formed into complex miniature shapes. The technique can be used to create complex infrared optics ...
Optics & Photonics
Apr 7, 2022
0
135
Insect wings are interesting and attractive as unique examples of bioinspired and biomimetic materials. They exhibit multi-functional features and provide a natural model for developing a functional device based on organic ...
Materials Science
Aug 19, 2021
0
6
Free-space optical communication, the communication between two devices at a distance using light to carry information, is a highly promising system for achieving high-speed communication. This system of communication is ...
Ordinary solid-state lasers, as used in laser pointers, generate light in the visible range. For many applications, however, such as the detection of molecules, radiation in the mid-infrared range is needed. Such infrared ...
Optics & Photonics
Nov 23, 2020
0
942
Researchers at MIT and the University of Waterloo have developed a high-power, portable version of a device called a quantum cascade laser, which can generate terahertz radiation outside of a laboratory setting. The laser ...
General Physics
Nov 2, 2020
2
871
Extreme events occur in many observable contexts. Nature is a prolific source: rogue water waves surging high above the swell, monsoon rains, wildfire, etc. From climate science to optics, physicists have classified the characteristics ...
Optics & Photonics
Oct 23, 2020
0
39
An international research team from Germany, Italy, and the U.K. has developed a key photonics component for the terahertz spectral range. By mixing electronic resonances in semiconductor nanostructures with the photon field ...
Optics & Photonics
Aug 27, 2020
0
16
