Quantum tomography is a process that involves the reconstruction and characterization of a quantum state using a series of collected measurements. Over the past few years, many physicists have been trying to use this process ...
In principle, quantum-based devices such as computers and sensors could vastly outperform conventional digital technologies for carrying out many complex tasks. But developing such devices in practice has been a challenging ...
Optics & Photonics
Feb 15, 2023
1
348
Quantum dots are semiconductor particles measuring just a few nanometers across, which are now widely studied for their intriguing electrical and optical properties. Through new research published in The European Physical ...
Optics & Photonics
Feb 13, 2023
0
12
A certain amount of noise is inherent in any quantum system. For instance, when researchers want to read information from a quantum computer, which harnesses quantum mechanical phenomena to solve certain problems too complex ...
Optics & Photonics
Feb 9, 2023
1
152
Can quantum optics be used for practical applications? A lot depends on whether a large number of photons can be gathered in quantum state.
Optics & Photonics
Feb 8, 2023
0
93
In the world around us, processes appear to follow a certain time-direction: Dandelions eventually turn into blowballs. However, the quantum realm does not play by the same rules. Physicists from the University of Vienna ...
Optics & Photonics
Feb 7, 2023
0
941
Trapped ions have previously only been entangled in one and the same laboratory. Now, teams led by Tracy Northup and Ben Lanyon from the University of Innsbruck have entangled two ions over a distance of 230 meters.
Quantum Physics
Feb 2, 2023
0
561
Researchers have theorized a new mechanism to generate high-energy "quantum light," which could be used to investigate new properties of matter at the atomic scale.
Optics & Photonics
Feb 2, 2023
0
1574
Physicists are increasingly using ultracold molecules to study quantum states of matter. Many researchers contend that molecules have advantages over other alternatives, such as trapped ions, atoms or photons. These advantages ...
Quantum Physics
Feb 1, 2023
0
224
An international team of scientists from the University of Luxembourg, Berlin Institute for the Foundations of Learning and Data (BIFOLD) at TU Berlin and Google has now successfully developed a machine learning algorithm ...
Quantum Physics
Jan 30, 2023
0
401
