Low-noise microwave signals are of critical importance in numerous applications such as high-speed telecommunication and ultrafast data processing. Conventionally, such signals are generated with bulky and delicate microwave ...
Optics & Photonics
Sep 29, 2020
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135
Researchers including a postdoc at the University of Massachusetts Amherst have created a gear-shaped photonic crystal microring that increases the strength of light-matter interactions without sacrificing optical quality. ...
Optics & Photonics
Jan 26, 2022
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Recently, a research team led by Prof. Guo Guangcan from the University of Science and Technology of China (USTC) demonstrated nonreciprocal routing between any two modes with different frequencies through radiation pressure ...
Optics & Photonics
Mar 6, 2023
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66
For the first time, scientists were able to create ultrashort dark and bright light pulses that are linked together in tiny glass rings called microresonators. Each of the flashes consist of many different, precisely defined ...
Optics & Photonics
Jan 27, 2022
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49
Whispering-gallery-mode (WGM) microresonators are opening up many new research directions that enable the detection of proteins, enzymes and DNA, down to single molecules. A new class of sensors makes use of active microresonators ...
Optics & Photonics
Mar 16, 2021
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6
Kerr microcombs are sets of equidistant spectral lines generated by pumping a high-Q microresonator with a resonant continuous-wave single-mode laser. They have arguably created a new field in cavity nonlinear photonics, ...
Optics & Photonics
Oct 13, 2022
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Researchers from Aston University and ITMO University demonstrated a new method to fabricate optical microresonators with unprecedented precision of less than the diameter of a single hydrogen atom and 100 times less than ...
Optics & Photonics
Aug 16, 2016
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7
Accurately measuring frequencies of light is required for timekeeping. It's also a critical component in many science experiments and technologies, from military defense to detecting air pollution, tests of fundamental physics ...
Optics & Photonics
Oct 3, 2019
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9
Microresonators based frequency combs, microcombs, have attracted huge interest in the last decades for their revolutionary performance of compact size, flexible comb spacing, and broad bandwidth. Wide applications of microcombs ...
Optics & Photonics
Feb 2, 2023
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