For the first time, researchers have demonstrated a way to map and measure large-scale photonic quantum correlation with single-photon sensitivity. The ability to measure thousands of instances of quantum correlation is critical ...
Optics & Photonics
Feb 28, 2019
3
1081
New work leveraging machine learning could increase the efficiency of optical telecommunications networks. As our world becomes increasingly interconnected, fiber optic cables offer the ability to transmit more data over ...
Computer Sciences
Feb 25, 2019
0
24
Researchers have discovered that the ancient technique of heating metal to create vibrant colors creates a nanostructured surface that acts as a perfect light absorber. Perfect light absorbers—materials that absorb more ...
Nanomaterials
Feb 20, 2019
0
60
A variety of laser-based techniques can be used to produce colorful artwork on metals. However, each approach typically requires a different type of laser and very specific settings. In a new study, researchers describe how ...
Optics & Photonics
Feb 19, 2019
0
77
A new analysis has revealed that advanced satellite-based instrument capabilities are needed for global monitoring of microscopic particles, or aerosols, in the stratospheric layer of the atmosphere. Aerosols in the stratosphere—located ...
Optics & Photonics
Feb 7, 2019
0
2
For the first time, researchers have shown that the non-conventional imaging method known as ghost imaging can be performed using a low-cost, chip-based light-illuminating device. This important step toward chip-based ghost ...
Optics & Photonics
Feb 4, 2019
0
22
Researchers have developed a compact laser that emits light with extreme spectral purity that doesn't change in response to environmental conditions. The new potentially portable laser could benefit a host of scientific applications, ...
Optics & Photonics
Jan 31, 2019
0
154
Researchers have developed a new approach to multicolor holography that could be used to make 3-D color displays for augmented reality glasses, smartphones or heads-up displays without any bulky optical components.
Optics & Photonics
Jan 24, 2019
0
49
Researchers have demonstrated that a laser can transmit an audible message to a person without any type of receiver equipment. The ability to send highly targeted audio signals over the air could be used to communicate across ...
Optics & Photonics
Jan 23, 2019
10
1378
For the first time, researchers have used tiny gears made of germanium to generate a vortex of twisted light that turns around its axis of travel much like a corkscrew. Because germanium is compatible with the silicon used ...
Optics & Photonics
Dec 21, 2018
0
103
