Scientists can generate squeezed light via strongly driven spontaneous four-wave mixing below threshold in silicon nitride microring resonators. The generated light can be characterized with homodyne detection (to extract ...
Scientists at Tokyo Institute of Technology (Tokyo Tech) have discovered a new alkali copper halide, Cs5Cu3Cl6I2, that emits pure blue light. The combination of the two halide ions, chloride and iodide, gives the material ...
Condensed Matter
Sep 17, 2020
0
10
Researchers from the Moscow Institute of Physics and Technology and King's College London cleared the obstacle that had prevented the creation of electrically driven nanolasers for integrated circuits. The approach, reported ...
Optics & Photonics
Sep 16, 2020
0
11
Quantum technology holds great promise: Just a few years from now, quantum computers are expected to revolutionize database searches, AI systems, and computational simulations. Today already, quantum cryptography can guarantee ...
Optics & Photonics
Sep 15, 2020
0
22
A new design for light-emitting diodes (LEDs) developed by a team including scientists at the National Institute of Standards and Technology (NIST) may hold the key to overcoming a long-standing limitation in the light sources' ...
Nanophysics
Aug 14, 2020
0
2853
The National Institute of Information and Communications Technology (NICT), the Japan Science and Technology Agency (JST), Toin University of Yokohama, and Chiba University have succeeded in developing a color-multiplexed ...
Optics & Photonics
Jul 22, 2020
0
98
Holst Center has demonstrated the world's first organic near-infrared large-area image sensor capable of detecting the unique pattern of veins in a person's hand via reflected light. The sensor opens the door to highly secure, ...
Optics & Photonics
Jul 15, 2020
0
5
Traditional lenses—like the ones found in eyeglasses—are bulky, heavy and only focus light across a limited number of wavelengths. A new, ultrathin metalens developed by researchers at the University of California, Berkeley, ...
Condensed Matter
Jun 26, 2020
3
980
Researchers have shown that a detection technology borrowed from quantum optics can be used to perform optical coherence tomography (OCT) with much lower light power than previously possible. This could greatly improve the ...
Optics & Photonics
Jun 17, 2020
1
151
Innovative technologies are the key to tackling some of society's key challenges—and many of these technologies have an optical system at their core. Examples include semiconductor lithography systems designed to create ...
Optics & Photonics
Jun 2, 2020
0
3
