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Quantum Information and Measurements News

(showing 1 - 14 of 14)
New Temporal Filtering Technique Improves Solid-State Single Photon Sources
Release Date: 05/08/2013

Schematic showing a single photon source (SPS) that is created from a quantum dot (QD) by optically pumping it with a periodically pulsed laser.  … more

Photons Emitted by Quantum Dots Can be Made Indistinguishable Through Quantum Frequency Conversion
Release Date: 12/19/2012

The quantum frequency conversion system uses two pump lasers whose frequency difference is matched to the difference between the two input photon … more

New Platform Developed to Measure and Exploit Optomechanical Interactions
Release Date: 12/12/2012

A pair of nanobeams is held side-by-side and separated by a nanoscale gap, with one beam supporting a mechanical mode, and the other supporting a … more

CNST Researchers Demonstrate Low-Noise, Chip-Based Optical Wavelength Converter
Release Date: 09/05/2012

Scanning electron micrograph of the cross-section of a silicon nitride waveguide designed for the low-noise frequency conversion with a simulation … more

The Great Gravity Showdown
Release Date: 02/27/2012

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NIST’s Microscopic Drum Could Link Electromagnetic, Mechanical Motion at Quantum Level
Release Date: 03/15/2011

Physicists at the National Institute of Standards and Technology (NIST) have demonstrated an electromechanical circuit in which microwaves … more

NIST Electromechanical Circuit Sets Record Beating Microscopic 'Drum'
Release Date: 03/09/2011

Device May Help Process Information and Measure Motion at Quantum Scale BOULDER, Colo.—Physicists at the National Institute of Standards and … more

New Wave: JILA Develops Efficient Source of Terahertz Radiation
Release Date: 01/19/2011

JILA researchers have developed a laser-based source of terahertz radiation that is unusually efficient and less prone to damage than similar … more

NIST Researchers Create 'Quantum Cats' Made of Light
Release Date: 08/31/2010

Researchers at the National Institute of Standards and Technology (NIST) have created "quantum cats" made of photons (particles of light), … more

NIST Develops 'Dimmer Switch' for Superconducting Quantum Computing
Release Date: 04/27/2010

Scientists at the National Institute of Standards and Technology (NIST) have developed the first "dimmer switch" for a superconducting circuit … more

NIST Detector Counts Photons With 99 Percent Efficiency
Release Date: 04/13/2010

Scientists at the National Institute of Standards and Technology (NIST) have developed* the world's most efficient single photon detector, which … more

NIST Photon Detectors Have Record Efficiency
Release Date: 06/02/2005

Sensors that detect and count single photons, the smallest quantities of light, with 88 percent efficiency have been demonstrated by physicists at … more

NIST Demonstrates Data ‘Repair Kit’ for Quantum Computers
Release Date: 12/01/2004

NIST physicists Dietrich Leibfried and David Wineland in the laboratory where they have developed a method for correcting data handling errors for … more

A Quantum Mechanical ‘Tune Up’ for Better Measurement
Release Date: 06/04/2004

By exploiting the weird quantum behavior of atoms, physicists at the Commerce Department’s National Institute of Standards and Technology (NIST) … more

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