(PhysOrg.com) -- An investigation by a major scientific group has advanced understanding of the early evolution of the universe.
General Physics
Aug 19, 2009
60
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In our information society, the synthesis, distribution, and processing of radio and microwave signals are ubiquitous in wireless networks, telecommunications, and radars. The current tendency is to use carriers in higher ...
Optics & Photonics
Apr 20, 2020
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301
Quantum computers can solve certain computational problems much faster than ordinary computers by using specific quantum properties. The basic building blocks of such machines are called quantum-bits or qubits. Qubits can ...
Quantum Physics
Sep 13, 2023
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86
The secret to building superconducting quantum computers with massive processing power may be an ordinary telecommunications technology—optical fiber.
Optics & Photonics
Mar 24, 2021
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Researchers from the Physikalisch-Technische Bundesanstalt (PTB) have thoroughly analyzed the noise processes in their optical lattice clock with neutral strontium atoms. This analysis proves that their optical atomic clock ...
General Physics
Feb 10, 2016
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57
Researchers have developed a way to create photonic time crystals, and they have shown that these bizarre, artificial materials amplify the light that shines on them. These findings, described in a paper in Science Advances, ...
Optics & Photonics
Apr 5, 2023
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371
Researchers at Duke University have devised a way to see through walls using a narrow band of microwave frequencies without any advance knowledge of what the walls are made out of. Besides having obvious applications in the ...
Optics & Photonics
Dec 6, 2017
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2650
By combining advanced laser technologies in a new way, physicists at the National Institute of Standards and Technology (NIST) have generated microwave signals that are more pure and stable than those from conventional electronic ...
Optics & Photonics
Jun 27, 2011
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1
The vortex beam with orbital angular momentum (OAM) is a new and ideal tool to selectively excite dipole forbidden states through linear optical absorption. The emergence of the vortex beam with OAM provides intriguing opportunities ...
Physicists at the National Institute of Standards and Technology (NIST) and partners have demonstrated an experimental, next-generation atomic clock—ticking at high "optical" frequencies—that is much smaller than usual, ...
Optics & Photonics
May 17, 2019
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