Researchers have made a breakthrough in the control of terahertz quantum cascade lasers, which could lead to the transmission of data at the rate of 100 gigabits per second—around one thousand times quicker than a fast ...
Optics & Photonics
Feb 11, 2020
0
945
Previously, scientists knew only one type of curved optical rays—Airy beams and their derivatives. They were obtained back in 2007. Due to their physical properties, the beams can be used for manipulating small particles, ...
Nanophysics
Jan 27, 2020
0
6
Applying bound states in the continuum (BICs) in photonic integrated circuits enables low-loss light guidance and routing in low-refractive-index waveguides on high-refractive-index substrates. Here, we demonstrate high-quality ...
Optics & Photonics
Jan 22, 2020
0
2
Physicists from Switzerland, Germany, and France have found that large-amplitude acoustic waves, launched by ultrashort laser pulses, can dynamically manipulate the optical response of semiconductors.
Optics & Photonics
Dec 2, 2019
0
70
Anyone who's ever played the drums, tuned a guitar, or even made a wine glass "sing" by circling a finger along its edge knows about resonance. Acoustic resonators, like the cavity of a drum or a half-full wine glass, naturally ...
Optics & Photonics
Nov 18, 2019
0
230
A new study from the lab of Thomas Mallouk shows how microscale "rockets," powered by acoustic waves and an onboard bubble motor, can be driven through 3-D landscapes of cells and particles using magnets. The research was ...
Bio & Medicine
Oct 28, 2019
0
190
Human beings create a lot of data in the digital age—whether it's through everyday items like social media posts, emails and Google searches, or more complex information about health, finances and scientific findings.
Quantum Physics
Sep 19, 2019
0
53
Over millions of years, porpoises have developed powerful biosonar with high accuracy and intelligence to detect and track prey in noisy underwater environments. The sound source in a porpoise is about one half of the wavelength ...
Materials Science
Sep 19, 2019
0
9
To date, research in quantum optics has primarily investigated the relation between light and matter using small atoms interacting with electromagnetic fields that have substantially larger wavelengths. In an unconventional ...
Optical fibres are our global nervous system, transporting terabytes of data across the planet in the blink of an eye.
Optics & Photonics
Aug 19, 2019
1
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