Researchers at Columbia Engineering have developed a new class of integrated photonic devices—"leaky-wave metasurfaces"—that can convert light initially confined in an optical waveguide to an arbitrary optical pattern ...
Nanophysics
May 8, 2023
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67
Intel Corporation announced a collaboration with Facebook to define the next generation of rack technologies used to power the world's largest data centers. As part of the collaboration, the companies also unveiled a mechanical ...
Hardware
Jan 17, 2013
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A miniature prison for photons—that is the nanocavity discovered by scientists of the University of Twente. It is an extremely small cavity surrounded by an optical crystal, a structure of pores etched in two perpendicular ...
Optics & Photonics
Mar 1, 2019
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164
(Phys.org)—Scientists from the U.S. Department of Energy's National Renewable Energy Laboratory and other labs have demonstrated a process whereby quantum dots can self-assemble at optimal locations in nanowires, a breakthrough ...
Nanophysics
Feb 11, 2013
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0
Optical fibers—the backbone of the Internet–carry movies, messages, and music at the speed of light. But for all their efficiency, these ultrathin strands of pristine glass must connect to sluggish signal switches, routers, ...
Optics & Photonics
Dec 19, 2012
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0
Dinesh Basker applied to graduate schools around the world. He was accepted to three, but you might say he "saw the light" in choosing McMaster.
Optics & Photonics
Jul 23, 2013
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0
Mode-locked lasers are advanced lasers that produce very short pulses of light, with durations ranging from femtoseconds to picoseconds. These lasers are widely used to study ultrafast and nonlinear optical phenomena, but ...
(Phys.org) —Gallium nitride has emerged as one of the most widely used materials in the optoelectronics industry and the most important semiconducting material after silicon.
Optics & Photonics
Jan 29, 2014
1
0
Optical devices create, guide, and detect electromagnetic waves and include lasers, telescopes, and solar cells. Most of the materials used in these devices are challenging for certain applications because of a phenomenon ...
Optics & Photonics
Sep 18, 2019
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477
In the global quest to develop practical computing and communications devices based on the principles of quantum physics, one potentially useful component has proved elusive: a source of individual particles of light with ...
Quantum Physics
Feb 21, 2019
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