A five-year quest to map the universe and unravel the mysteries of "dark energy" is beginning officially today, May 17, at Kitt Peak National Observatory near Tucson, Arizona. To complete its quest, the Dark Energy Spectroscopic ...
Astronomy
May 17, 2021
9
53
The use of multimode optical fibers to boost the information capacity of the Internet is severely hampered by distortions that occur during the transmission of images because of a phenomenon called modal crosstalk.
Optics & Photonics
May 10, 2021
0
1555
Remote quantum distribution on the ground is limited because of the loss of photons in optical fibers. One solution for remote quantum communication lies in quantum memories: photons are stored in long-lived quantum memory ...
Optics & Photonics
May 10, 2021
0
113
At the Seismological Society of America's 2021 Annual Meeting, researchers shared how they are using fiber optic cable to detect the small earthquakes that occur in ice in Antarctica.
Earth Sciences
Apr 23, 2021
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17
Encoding information into light, and transmitting it through optical fibers lies at the core of optical communications. With an incredibly low loss of 0.2 dB/km, optical fibers made from silica have laid the foundations of ...
Optics & Photonics
Apr 16, 2021
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1247
Wastewater carries large quantities of organic substances into the rivers and lakes, leading to heavy growth of bacteria and oxygen deficiency. Measurement methods have so far been incapable of measuring this organic pollution ...
Earth Sciences
Apr 14, 2021
0
27
A research team of the National Institutes of Natural Sciences, National Institute for Fusion Science and Akita Prefectural University has successfully demonstrated a broadband mid-infrared (MIR) source with a simple configuration. ...
General Physics
Mar 31, 2021
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3
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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4049
Distributed optical fiber sensing (DOFS) is currently a mature technology that allows 'transforming' a conventional fiber optic into a continuous array of individual sensors, which are distributed along its length. Between ...
Optics & Photonics
Mar 23, 2021
0
10
Researchers have toiled for years, unsuccessfully, in pursuit of a silica optical fiber that would cool itself when excited with infrared laser light. Such a fiber would make it possible to use the most ubiquitous type of ...
Optics & Photonics
Mar 17, 2021
0
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