A new set of receivers installed on antennas at the Atacama Large Millimeter/submillimeter Array (ALMA) have achieved first light. With it, they set a new record for the longest wavelengths visible with the radio array. The ...
Astronomy
Sep 8, 2021
0
14
Recently, researchers from the Shanghai Institute of Optics and Fine Mechanics (SIOM) of the Chinese Academy of Sciences (CAS) have provided the new idea of co-pumping single-frequency Raman amplifiers. Relevant result was ...
Optics & Photonics
Jul 27, 2021
0
35
Since the very beginning of quantum physics, a hundred years ago, it has been known that all particles in the universe fall into two categories: fermions and bosons. For instance, the protons found in atomic nuclei are fermions, ...
Quantum Physics
Dec 14, 2020
0
25
During space-communication researchers require high-space intersatellite data transfer connectivity for deep-space missions while monitoring Earth. The technology is fundamentally influenced by available transmission power ...
A new light amplifier developed at the University of Twente not only boosts the light signals on a photonic chip, but it also enhances the applicability of those chips. Thanks to stronger light signals, detector chips for ...
Optics & Photonics
Sep 10, 2020
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7
Power-scalable ultrafast laser sources in the midwave-infrared (MWIR) are a key element for basic research and applications in material processing and medicine. Optical amplifiers based on chirped pulse amplification (CPA) ...
Optics & Photonics
Jul 6, 2020
0
4
Optical gain is a prerequisite for signal amplification in an optical amplifier or laser. It typically requires high levels of current injection in conventional semiconductors. By exploring an intricate balance and conversion ...
Optics & Photonics
Mar 20, 2020
0
4
In the EU project ENEFRF, researchers at the Ångström Laboratory are working on improving the radio frequency amplifiers that will make technology for cancer diagnostics more efficient, accessible, and affordable. "We are ...
General Physics
Oct 11, 2018
0
3
Researchers from Chalmers University of Technology, Sweden, and Tallinn University of Technology, Estonia, have demonstrated a 4000 kilometre fibre-optical transmission link using ultra low-noise, phase-sensitive optical ...
Optics & Photonics
Jul 5, 2018
0
10
Thanks to low-noise superconducting quantum amplifiers invented at the University of California, Berkeley, physicists are now embarking on the most sensitive search yet for axions, one of today's top candidates for dark matter.
General Physics
Apr 10, 2018
10
9
