(Phys.org) —University of California, San Diego electrical engineering professor Zhaowei Liu and colleagues have taken the first steps in a project to develop fast-blinking LED systems for underwater optical communications.
Nanomaterials
Jan 24, 2014
3
0
A group of photonics researchers at Tampere University have introduced a novel method to control a light beam with another beam through a unique plasmonic metasurface in a linear medium at ultra-low power. This simple linear ...
Optics & Photonics
Jun 6, 2022
0
504
A telecommunications security research group at the Technical University of Berlin earlier this month told an audience at the 22nd USENIX Security Symposium that they were able to hack phones by modifying embedded software. ...
Military and civil authorities could benefit from secure optical communication systems that use light to carry messages between moving vehicles. Researchers at KAUST have now demonstrated rapid data transfer using ultraviolet-B ...
Optics & Photonics
Dec 12, 2017
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16
The demand for fast data sharing and processing has sparked a race for greater bandwidth in wireless communication systems. This is described by Edholm's Law, which states that bandwidth and data rates roughly double every ...
(Phys.org)—Quantum techniques have been demonstrated to offer improvements in areas such as computing, cryptography, and information processing, among others. But in a new study, researchers from IBM have proven that no ...
Although electron microscopy can already reveal details as small as one nanometer, ongoing research seeks to break through barriers limiting image quality and reducing the optical dose on the samples. Aberration is a common ...
Optics & Photonics
Mar 3, 2023
0
51
While volcanic eruptions and earthquakes serve as immediate reminders that Earth's insides are anything but tranquil, there are also other, more elusive, dynamic processes happening deep down below the Earth. Using information ...
Planetary Sciences
May 24, 2022
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854
High-frequency terahertz waves have great potential for a number of applications including next-generation medical imaging and communication. Researchers at Linköping University, Sweden, have shown, in a study published ...
Optics & Photonics
Dec 20, 2023
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53
Researchers at Penn Engineering have created a chip that outstrips the security and robustness of existing quantum communications hardware. Their technology communicates in "qudits," doubling the quantum information space ...
Quantum Physics
Nov 21, 2022
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503
