A central goal in quantum optics and photonics is to increase the strength of the interaction between light and matter to produce, for example, better photodetectors or quantum light sources. The best way to do that is to ...
Nanophysics
Dec 6, 2023
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17
Measuring the refractive index and the thickness of thin films (films with a thickness from less than a nanometer to several microns) is essential to characterize them and improve the performance of sensors and devices that ...
Optics & Photonics
Sep 15, 2023
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28
Researchers at MPQ in Garching, together with a team from TU Munich, have excited erbium atoms embedded in crystalline silicon such that they emit single photons. Their special properties can form the basis for the development ...
Optics & Photonics
Jun 21, 2023
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67
A team led by Prof. Guo Guangcan, with the collaborative efforts from Wigner Research Centre for Physics, revealed a new approach to discovering a new spin defect with an excellent probability of 85% and achieved coherent ...
Quantum Physics
Jun 14, 2023
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7
What does it take for scientists to push beyond the current limits of knowledge? Researchers in Federico Capasso's group at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed an effective ...
Optics & Photonics
Feb 2, 2023
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62
Researchers from the University of Tsukuba have shown how adding a tiny resonator structure to an ultrafast electron pulse detector reduced the intensity of terahertz radiation required to characterize the pulse duration.
Optics & Photonics
Dec 15, 2022
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141
In a scene from "Star Wars: Episode IV—A New Hope," R2D2 projects a three-dimensional hologram of Princess Leia making a desperate plea for help. That scene, filmed more than 45 years ago, involved a bit of movie magic—even ...
Optics & Photonics
Nov 28, 2022
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243
In recent years, global digitalization has seen unprecedented acceleration. Video streaming and video conferencing in home office and remote learning settings has resulted in a spike in residential broadband usage. Emerging ...
Optics & Photonics
Nov 7, 2022
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209
Gas sensors based on photoacoustic spectroscopy (PAS) have advantages of tunable diode laser absorption spectroscopy (TDLAS), such as high sensitivity, high selectivity, and wide dynamic range. The sensor performance required ...
Optics & Photonics
Oct 12, 2022
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47
On-chip laser frequency combs—lasers that emit multiple frequencies or colors of light simultaneously separated like the tooth on a comb—are a promising technology for a range of applications including environmental monitoring, ...
Optics & Photonics
Sep 7, 2022
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