Quantum Optics News

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Significant Progress Towards Realization of Satellite-Based Quantum Communications

A multi-institute research team, which also includes scientists from the Institute for Quantum Computing (IQC), has successfully teleported quantum data between the Canary Islands of La Palma and Tenerife, covering a record distance of 143 km over free space.

7 Sep 2012

First Direct Observations of Distinctly Quantum Optical Effects

Researchers from the Lawrence Berkeley National Laboratory (Berkeley Lab) of the U.S. Department of Energy and the University of California (UC) Berkeley have for the first time directly observed distinctly quantum optical phenomena, namely amplification and squeezing, in an optomechanical system.

17 Aug 2012

New Prototype Device Can Double Fiber-Optic Transmission of Quantum Data

The National Institute of Standards and Technology (NIST) has demonstrated that a new technique for splitting photon beams could tackle a basic physical barrier in electronic data transmission.

10 Aug 2012

New Technique Reliably Assesses Information on Quantum Computing and Cryptography

A research team comprising Filippo Miatto and other physicists from the University of Strathclyde, Glasgow, UK, has discovered a new technique to reliably evaluate the information carried by photon pairs utilized for quantum computing and cryptography applications.

13 Jul 2012

Advanced Experimental System Generates Attosecond Bursts of EUV Light

A research team has developed an advanced experimental system that is capable of producing attosecond bursts of extreme ultraviolet (EUV) light.

2 Jul 2012

Researchers Illustrate First Silicon-Based Heralded Single Photon Source

Scientists from the National Institute of Standards and Technology (NIST), the Politecnico di Milano, and the University of California (UC), San Diego, have shown the first heralded single photon source generated from silicon, a significant step towards the realization of more realistic quantum information processing.

29 Jun 2012

First Light: NIST Researchers Develop New Way to Generate Superluminal Pulses

Researchers at NIST have developed a novel way of producing light pulses that are "superluminal"—in some sense they travel faster than the speed of light. The new method could be used to improve the timing of communications signals and to investigate the propagation of quantum correlations.

3 May 2012

Semiconductor Chip Produces Entangled Photons for Quantum Computing

In the age of high-speed computing, the photon is king. However, producing the finely tuned particles of light is a complex and time-consuming process, until now. Thanks to the work by a team of engineers led by Profe...

1 May 2012

Caltech Scientists Use Laser Light to Cool Object to Quantum Ground State

For the first time, researchers at the California Institute of Technology (Caltech), in collaboration with a team from the University of Vienna, have managed to cool a miniature mechanical object to its lowest possible energy state using laser light.

5 Oct 2011

Quantum-Entangled Images

Using a convenient and flexible method for creating twin light beams, researchers from the National Institute of Standards and Technology (NIST) and the University of Maryland (UM) have produced “quantum images,” pairs of information-rich visual patterns whose features are “entangled,” or inextricably linked by the laws of quantum physics.

28 Jun 2011