Scientists demonstrate unprecedented sensitivity in measuring time delay between two photons
A team of researchers has demonstrated the ultimate sensitivity allowed by quantum physics in measuring the time delay between two photons.
A team of researchers has demonstrated the ultimate sensitivity allowed by quantum physics in measuring the time delay between two photons.
Optics & Photonics
Apr 25, 2023
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260
Even if you are not a quantum physicist, you will most likely have heard of Schrödinger's famous cat. Erwin Schrödinger came up with the feline that can be alive and dead at the same time in a thought experiment in 1935. ...
Quantum Physics
Apr 20, 2023
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735
Quantum theory, which was formulated in the first three decades of the twentieth century, describes a wide array of phenomena at the molecular, atomic and subatomic scales. Among its many technological applications, three ...
Quantum Physics
Apr 20, 2023
2
190
Moiré patterns occur everywhere. They are created by layering two similar but not identical geometric designs. A common example is the pattern that sometimes emerges when viewing a chain-link fence through a second chain-link ...
Nanophysics
Apr 20, 2023
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74
In the world of computing, we typically think of information as being stored as ones and zeros—also known as binary encoding. However, in our daily life we use ten digits to represent all possible numbers. In binary the ...
Quantum Physics
Apr 20, 2023
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183
The 2022 Nobel Prize in Physics was awarded to Alain Aspect, John Clauser, and Anton Zeilinger for their works on "quantum nonlocality" in quantum mechanics. Quantum nonlocality is a phenomenon where connected particles can ...
Quantum Physics
Apr 19, 2023
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218
In the future, communications networks and computers will use information stored in objects governed by the microscopic laws of quantum mechanics. This capability can potentially underpin communication with greatly enhanced ...
Quantum Physics
Apr 19, 2023
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194
Over the short span of just 300 years, since the invention of modern physics, we have gained a deeper understanding of how our universe works on both small and large scales. Yet, physics is still very young and when it comes ...
General Physics
Apr 5, 2023
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680
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
Imperial physicists have recreated the famous double-slit experiment, which showed light behaving as particles and a wave, in time rather than space.
General Physics
Apr 3, 2023
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1192