Search results for quantum entanglement

Quantum Physics Oct 26, 2021

Chip-based quantum microcomb creates entanglement between optical fields

Researchers have developed a tiny optical frequency comb, or microcomb, that uses two-mode squeezing to create unconditional entanglement between continuous optical fields. The miniature chip-based device lays the groundwork ...

Quantum Physics Oct 26, 2021

Dynamical scaling of entanglement entropy and surface roughness in random quantum systems

In physics, "universality" refers to properties of systems that are independent of their details. Establishing the universality of quantum dynamics is one of the key interests of theoretical physicists. Now, researchers from ...

Quantum Physics Sep 7, 2021

Exploring quantum gravity and entanglement using pendulums

When it comes to a marriage with quantum theory, gravity is the lone holdout among the four fundamental forces in nature. The three others—the electromagnetic force, the weak force, which is responsible for radioactive ...

Quantum Physics Jun 24, 2021

Quantum simulation: Measurement of entanglement made easier

University of Innsbruck researchers have developed a method to make previously hardly accessible properties in quantum systems measurable. The new method for determining the quantum state in quantum simulators reduces the ...

Quantum Physics Apr 15, 2021

Researchers establish the first entanglement-based quantum network

A team of researchers from QuTech in the Netherlands reports realization of the first multi-node quantum network, connecting three quantum processors. In addition, they achieved a proof-of-principle demonstration of key quantum ...

Quantum Physics Jan 13, 2021

Error-protected quantum bits entangled for the first time

For the first time, physicists from the University of Innsbruck have entangled two quantum bits distributed over several quantum objects and successfully transmitted their quantum properties. This marks an important milestone ...

Quantum Physics Nov 23, 2020

Researchers minimize quantum backaction in thermodynamic systems via entangled measurement

Led by academician Prof. Guo Guangcan from the Chinese Academy of Sciences (CAS), Prof. Li Chuanfeng's group and Prof. Xiang Guoyong's group from University of Science and Technology of China (USTC), CAS, in cooperation with ...

Optics & Photonics Oct 29, 2020

World's record entanglement storage sets up a milestone for Quantum Internet Alliance

Researchers from Sorbonne University in Paris have achieved a highly efficient transfer of quantum entanglement into and out of two quantum memory devices. This achievement brings a key ingredient for the scalability of a ...

Quantum Physics Aug 5, 2020

Using entangled photons to play "quantum Go"

A team of researchers affiliated with several institutions in China has developed a form of the board game Go using entangled photons. They have posted a paper to the arXiv preprint server describing their game and explaining ...

Quantum Physics Jun 17, 2020

New techniques improve quantum communication, entangle phonons

Quantum communication—where information is sent through particles, typically entangled photons—has the potential to become the ultimate secure communication channel. Not only is it nearly impossible to eavesdrop on quantum ...

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