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Research Highlights

Published: Fri, 04/21/2017 - 8:15am

The Regal group recently met the challenge of measurements in an extreme situation with a device called an interferometer. The researchers succeeded by using creative alterations to the device itself and quantum correlations. Quantum correlations are unique, and often counterintuitive, quantum mechanical interactions that occur among quantum objects such as photons and atoms. The group exploited these interactions in the way they set up their interferometer, and improved its ability to measure tiny motions using photons (particles of light).

The group started with an ordinary interferometer, a device that has long been used for making precision measurements. However, this particular interferometer included a tiny vibrating membrane. In typical interferometers, sending more photons into the device improves the measurement precision.  But, the Regal group accesses a strange regime in which sending more photons into the interferometer actually reduced the precision of the measurements.

But instead of giving up on improving their measurements, the researchers were able to make a record-setting measurement of a vibrating mechanical membrane in the interferometer....

Published: Aug 01, 2014

The Raschke group recently came up with a clever way to detect folds and grain boundaries in...

Published: Jul 13, 2014

The spooky quantum property of entanglement is set to become a powerful tool in precision...

Published: Jun 26, 2014

Graduate student Adam Kaufman and his colleagues in the Regal and Rey groups have demonstrated a...

Published: Jun 22, 2014

The Ye group has not only made two invisible rulers of extreme ultraviolet (XUV) light, but also...

Published: Jun 13, 2014

Imagine a network of multiple clocks orbiting the Earth, not only reporting down to us, but also...

Published: May 27, 2014

Mid-infrared (mid-IR) laser light is accomplishing some remarkable things at JILA. This...

Published: May 22, 2014

Biomolecules may not always behave the same way in test tubes as they do in living cells, a fact...

Published: May 07, 2014

The Markus Raschke group has come up with an innovative way that may one day allow it to peer...

Published: Apr 23, 2014

Fellow Tom Perkins’ group is significantly closer to realizing its long-standing dream of using...

Published: Apr 17, 2014

Graduate student Erik Holmstrom and Fellow David Nesbitt have applied their laboratory research...

Published: Mar 19, 2014

The Regal-Lehnert collaboration has just taken a significant step towards the goal of one day...

Published: Mar 13, 2014

Quantum chaos just showed up in an ultracold gas of erbium atoms, and the Bohn theory group...

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