The challenges of terahertz-band components and frequency measurement. How a sophisticated combination of optical and electronic components representing advanced principles are being used to measure ...

Resonant tunneling diodes (RTDs) have emerged as compact, semiconductor-based sources of terahertz (THz) radiation, a frequency regime that underpins advanced applications in spectroscopy, high-speed ...

A new, miniature laser source developed by applied physicists in the Harvard John A. Paulson School of Engineering and ...

The ultrabroadband infrared frequency comb could be used for chemical detection in portable spectrometers or high-resolution remote sensors. (Nanowerk News) Optical frequency combs are specially ...

Frequency comb converted into light by a cell with Rubidium atoms. (Image authors: Mateusz Mazelanik University of Warsaw, Wiktor Krokosz University of Warsaw). A team from the Faculty of Physics and ...

Optical frequency combs have revolutionized technologies such as atomic clocks, spectroscopy, and ultra-fast lasers by acting as precise bridges between optical and microwave frequencies. As the ...

Terahertz (THz) waves and THz technologies have gradually opened a new style for communications, cloud-based storage/computing, information contest, and medical tools. With the advancement of THz ...

Caltech scientists have developed a new way to produce optical frequency combs—important tools in devices that keep time and ...

Additionally, these waves hold great promise for wireless communication. Advances in THz nonlinear optics, which can be used to change the frequency of electromagnetic waves, are essential for the ...

Researchers at the University of Glasgow have built a tiny crystal chip that generates tunable terahertz waves and has kept ...

Ultrabroadband IR frequency comb could be used for detection in portable spectrometers. The comb uses a double-chirped mirror. Researchers at MIT have demonstrated a compact, fully integrated ...