It seems quantum mechanics and thermodynamics cannot be true simultaneously. In a new publication, UT researchers use photons in an optical chip to demonstrate how both theories can be true at the same time. They recently ...
Optics & Photonics
Jul 5, 2023
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88
An optical isolator developed at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) could drastically improve optical systems for many practical applications.
Optics & Photonics
Jun 29, 2023
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166
The ability to achieve quantum-limited amplification of optical signals contained in optical fibers is arguably among the most important technological advances that are underlying our modern information society. In optical ...
Optics & Photonics
Nov 30, 2022
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15
The amount of energy used for computing is climbing at an exponential rate. Business intelligence and consulting firm Enerdata reports that information, communication and technology accounts for 5% to 9% of total electricity ...
Materials Science
Oct 11, 2022
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219
Researchers have demonstrated a new visible light communication system that uses a single optical path to create a multi-channel communication link over the air. This approach could be used as a backup communication link ...
Optics & Photonics
Sep 14, 2022
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203
For quantum communication or optical computing it is important to measure and to influence in which direction a light wave is oscillating. It is now for the first time possible to manipulate this polarization of a continuous ...
Optics & Photonics
Jan 19, 2022
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38
Technology is increasingly moving towards miniaturization and energy efficiency. This also applies to electronic chips. Light, and optics more broadly, are functional in making compact and portable chips. Researchers from ...
Optics & Photonics
Jan 7, 2022
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147
By merging two or more sources of light, interferometers create interference patterns that can provide remarkably detailed information about everything they illuminate, from a tiny flaw on a mirror, to the dispersion of pollutants ...
Optics & Photonics
Nov 12, 2021
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206
Researchers have created tiny chip-based optical tweezers that can be used to optically levitate nanoparticles in a vacuum. Optical tweezers—which employ a tightly focused laser beam to hold living cells, nanoparticles ...
Optics & Photonics
Oct 21, 2021
1
69
Researchers have developed a highly accurate way to assemble multiple micron-scale optical devices extremely close together on a single chip. The new approach could one day allow high-volume manufacturing of chip-based optical ...
Optics & Photonics
Sep 29, 2021
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84
