Researchers have developed a new approach that uses a single laser cavity to create two high-power optical frequency combs emitting high-power femtosecond pulses. The new development paves the way for portable dual-comb light ...
Optics & Photonics
Oct 15, 2020
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129
EPFL scientists have found a way to miniaturize frequency combs, realizing a new step toward miniaturization of such tools. Their device can measure light oscillations with a precision of 12 digits.
Optics & Photonics
Feb 14, 2017
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18
Someday, our computers, nanoantennas and other kinds of equipment may operate on the basis of photons rather than electrons. Even now, researchers are preparing to accomplish this technological switch. An international group ...
Optics & Photonics
Aug 24, 2015
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68
The optical frequency comb is an important tool in modern physics research and applications. In 2005, Theodor W. Hänsch and John L. Hall were awarded the Nobel Prize in Physics for their pioneering work on optical frequency ...
Optics & Photonics
Oct 27, 2023
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15
A new type of active metamaterial that incorporates semiconductor devices into conventional metamaterial structures is demonstrating an ability to have power gain while retaining its negative refraction property, a first ...
Condensed Matter
Nov 9, 2011
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0
The hunt for Earth-like planets, and perhaps extraterrestrial life, just got more precise, thanks to record-setting starlight measurements made possible by a National Institute of Standards and Technology (NIST) "astrocomb."
Astronomy
Feb 19, 2019
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151
Development of electronics and communication requires hardware capable of increasingly larger precision, ergonomics and throughput. For communication and GPS navigation satellites, it is of great importance to reduce the ...
Optics & Photonics
Dec 23, 2013
1
0
(PhysOrg.com) -- A joint team of researchers at CIC nanoGUNE (San Sebastian, Spain) and the Max Planck Institutes of Biochemistry and Plasma Physics (Munich, Germany) report the non-invasive and nanoscale resolved infrared ...
Nanophysics
Jan 23, 2009
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0
Researchers funded by the Swiss National Science Foundation have made a chip-based device that can generate a laser signal with frequencies spaced in a comb-like fashion. Their work could be used in telecommunications applications ...
Optics & Photonics
Jan 7, 2016
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35
Researchers at the National Institute of Standards and Technology (NIST) and the University of Maryland have developed a microchip technology that can convert invisible near-infrared laser light into any one of a panoply ...
Optics & Photonics
Oct 14, 2020
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