Researchers from the National Institute of Standards and Technology (NIST) and California Institute of Technology (Caltech) have demonstrated a new design for an atomic clock that is based on a chip-scale frequency comb, ...
Optics & Photonics
Jul 22, 2014
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Miniaturized optical frequency comb sources allow for transmission of data streams of several terabits per second over hundreds of kilometers – this has now been demonstrated by researchers of Karlsruhe Institute of Technology ...
Optics & Photonics
Apr 14, 2014
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In an article appearing in the March 28th issue of Physical Review Letters, researchers from Northwestern University working with researchers from the NIST Center for Nanoscale Science and Technology (CNST) have presented ...
Optics & Photonics
Mar 28, 2014
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MPQ-scientists record broad absorption spectra on a microsecond scale with two laser frequency combs.
General Physics
Feb 28, 2014
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A team of scientists around Prof. Theodor W. Hänsch and Dr. Nathalie Picqué at the Laser Spectroscopy Division of the Max Planck Institute of Quantum Optics (Garching), in a collaboration with the Ludwig-Maximilians-Universität ...
General Physics
Oct 17, 2013
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Laser frequency combs-high-precision tools for measuring different colors of light in an ever-growing range of applications such as advanced atomic clocks, medical diagnostics and astronomy-are not only getting smaller but ...
General Physics
Jul 11, 2013
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Most molecules, including those of importance in medical diagnostics or pollution monitoring, have characteristic "fingerprints" in the mid-infrared spectral region. However, state-of-the-art mid-infrared frequency comb techniques ...
Optics & Photonics
Jan 11, 2013
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(Phys.org)—Quantum physicists from ETH Zurich have discovered special properties in a laser, thanks to which portable devices can be built to analyse gases and liquids accurately and reliably in the future.
Quantum Physics
Dec 14, 2012
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A Navy ship at sea is surrounded by water, with nothing but its carrier group in site, and searches the skies for activity overhead. Isolated radars on each ship in the group scan independently of each other with limited ...
Other
Aug 9, 2012
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JILA researchers are using a laser frequency comb -- a technique for making extraordinarily precise measurements of frequency -- to identify specific molecules in gases. The project is helping biomedical researchers evaluate ...
Plasma Physics
Jun 14, 2012
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