Diamond material is of great importance for future technologies such as the quantum internet. Special defect centers can be used as quantum bits (qubits) and emit single light particles that are referred to as single photons.
Optics & Photonics
Apr 6, 2023
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506
When many quantum particles interact, complex systems can be formed. And this complexity allows reaching a temperature of absolute zero—at least in principle.
Quantum Physics
Apr 4, 2023
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335
Researchers at Yale have for the first time, using a process known as quantum error correction, substantially extended the lifetime of a quantum bit—a long-sought-after goal and one of the trickiest challenges in the field ...
Quantum Physics
Mar 23, 2023
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463
Researchers have found a way to predict the behavior of many-body quantum systems coupled to their environment. The work represents a way to protect quantum information in quantum devices, which is crucial for real-world ...
Quantum Physics
Mar 8, 2023
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430
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
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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
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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
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