If you are not a condensed matter physicist, vanadium oxide (VO2) may be the coolest material you've never heard of. It's a metal. It's an insulator. It's a window coating and an optical switch. And thanks to a new study ...
Condensed Matter
May 21, 2012
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Optical switches allow for transmitting information using light, which will be useful for the development of ultrafast optical memory cells in the future. Using a femtosecond laser usually used in chemistry for gas absorption, ...
Materials Science
May 19, 2020
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Conventional computer processors have pretty much maxed out their "clock speeds"—a measurement of how fast they can toggle on and off—due to the limitations of electronic switching. Scientists looking to improve computer ...
Optics & Photonics
Dec 21, 2023
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Laser uses relativistic effects to turn otherwise opaque plasma transparent, creating an ultra-fast optical switch useful in next-generation particle accelerators.
Plasma Physics
Nov 8, 2010
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Fujitsu Laboratories Limited today announced that it has been able to halve the power consumption of an optical waveguide switch based on silicon photonics through the world's first use of fine-patterned silicon germanium ...
Electronics & Semiconductors
Nov 9, 2010
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Speed limits apply not only to traffic. There are limitations on the control of light as well, in optical switches for internet traffic, for example. Physicists at Chalmers University of Technology now understand why it is ...
Optics & Photonics
Jun 28, 2018
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A team of American researchers have created a portable, miniature microscope in the hope of reducing the time taken to diagnose oral cancer.
Engineering
Apr 26, 2012
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Researchers working under Juerg Leuthold, Professor of Photonics and Communications, have created the world's smallest integrated optical switch. Applying a small voltage causes an atom to relocate, turning the switch on ...
Nanophysics
Feb 1, 2016
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Quantum key distribution (QKD) is a method used for secure or secret key exchanges between two remote users. Using secure communication, cyberscientists ultimately aim to establish a global quantum network. Existing field ...
A new tool for neuroscientists delivers a thousand pinpricks of light to a chunk of gray matter smaller than a sugar cube. The new fiber-optic device, created by biologists and engineers at the Massachusetts Institute of ...
Optics & Photonics
Nov 19, 2012
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