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Controllable deterministic quantum teleportation

Scientists at Shanxi University successfully demonstrate controllable deterministic continuous-variable quantum teleportation of up to 5 sideband qumodes simultaneously within a 24 MHz frequency bandwidth. The number of teleported qumodes can be controlled by adjusting the phases of classical channels, with fidelity above 70% achieved.

SourceScience China Press·JournalScience Bulletin·TypeExperimental study·DateFeb 22, 2026

Progress towards a quantum internet

A team of researchers from Paderborn University and the Sapienza University of Rome successfully teleported the polarisation state of a single photon between two physically separated quantum dots. This achievement represents a crucial step towards scalable quantum relays and the practical implementation of a quantum internet.

SourceUniversität Paderborn·JournalNature Communications·DateDec 2, 2025

Nanophotonic platform boosts efficiency of nonlinear-optical quantum teleportation

Researchers have developed a nanophotonic platform that improves the efficiency of nonlinear-optical quantum teleportation by reducing light levels and operating with single photons. The technology transmits quantum information with 94% fidelity, outperforming theoretical limits of linear optical components.

SourceUniversity of Illinois Grainger College of Engineering·JournalPhysical Review Letters·DateApr 24, 2025

Quantum algorithm distributed across multiple processors for the first time – paving the way to quantum supercomputers

Researchers successfully linked two separate quantum processors to form a single, fully connected quantum computer using photonic network interface. This breakthrough enables computations to be distributed across the network, addressing quantum's scalability problem and paving the way for industry-disrupting quantum computers.

SourceUniversity of Oxford·JournalNature·DateFeb 5, 2025

“Teleporting” images across a network securely using only light

Scientists have successfully teleported the highest dimensionality of information across a network securely using only light. The research uses a nonlinear optical detector that circumvents the need for additional photons, allowing for the secure transmission of complex systems like fingerprints or faces without physical transport.

SourceUniversity of the Witwatersrand·JournalNature Communications·TypeImaging analysis·DateDec 18, 2023

Boost for the quantum internet

Researchers at the University of Innsbruck have created a fully functioning quantum repeater node, enabling entanglement creation and swapping over 50 kilometers. This breakthrough demonstrates the feasibility of connecting distant cities through secure, high-performance quantum communication networks.

SourceUniversity of Innsbruck·JournalPhysical Review Letters·TypeExperimental study·DateMay 23, 2023

Entangled atoms across the Innsbruck quantum network

Researchers at the University of Innsbruck have successfully entangled two trapped ions separated by 230 meters, using photons transmitted through an optical fiber cable. This breakthrough demonstrates the potential of trapped ions as a platform for building future quantum networks and distributed computing systems.

SourceUniversity of Innsbruck·JournalPhysical Review Letters·TypeExperimental study·DateFeb 2, 2023

Quantum steering for more precise measurements

Researchers at the University of Basel have proposed a new scheme for measuring magnetic or electric fields using quantum steering, which enhances measurement precision. By analyzing entangled particle states, scientists can make more accurate predictions about possible measurement results.

SourceUniversity of Basel·JournalNature Communications·DateApr 23, 2021

Quantum entanglement demonstrated aboard orbiting CubeSat

Researchers successfully demonstrated quantum entanglement onboard a CubeSat, paving the way for a cost-effective global quantum communications network. The miniaturized photon source operated successfully in space, maintaining high-quality entanglement despite temperature changes.

SourceOptica·JournalOptica·DateJun 25, 2020

One step closer to complex quantum teleportation

Researchers successfully generate three-photon entanglement in three dimensions, increasing information capacity and paving the way for future technologies such as quantum computers and encryption. This breakthrough could enable teleportation of complex quantum systems and has significant implications for quantum communication networks.

SourceUniversity of Vienna·JournalNature Photonics·DateNov 2, 2018

Yale researchers 'teleport' a quantum gate

Yale researchers successfully teleported a quantum gate between logical qubits, enabling deterministic inter-module operations and advancing modular quantum computing. This breakthrough is crucial for building large-scale, error-correctable quantum computers.

SourceYale University·JournalNature·DateSep 5, 2018

Quantum communication: How to outwit noise

Researchers at the University of Innsbruck and TU Wien have developed a new quantum communication protocol that can reliably transfer quantum information even in the presence of detrimental noise. The protocol uses an additional quantum oscillator to couple qubits, allowing for precise separation of the noisy signal from the weaker qua...

SourceVienna University of Technology·JournalPhysical Review Letters·DateMar 29, 2017

Producing spin-entangled electrons

Researchers have produced pairs of spin-entangled electrons, demonstrating their ability to remain entangled even when separated on a chip. This achievement could contribute to the development of futuristic quantum networks operating using quantum teleportation.

SourceRIKEN·JournalNature Communications·DateJul 1, 2015

Quantum teleportation on a chip

Researchers at the University of Bristol have successfully integrated quantum teleportation circuits onto a photonic chip, overcoming scalability limitations. This breakthrough enables the development of ultra-high-speed quantum computers and strengthens communication security.

SourceUniversity of Bristol·JournalNature Photonics·DateApr 1, 2015

Teleported by electronic circuit

Physicists at ETH Zurich have successfully teleported information across a distance of six millimeters using a solid state system. This achievement demonstrates the potential for quantum communication and may lead to faster and more efficient quantum computing in the future.

SourceETH Zurich·JournalNature·DateAug 14, 2013

Data highways for quantum information

Researchers at Vienna University of Technology have demonstrated experimentally that ultra-thin glass fibers can store quantum information long enough to be used for entangling atoms hundreds of kilometers apart. This is a fundamental building block for a global fiber-based quantum communication network.

SourceVienna University of Technology·JournalPhysical Review Letters·DateJun 12, 2013

First noiseless single photon amplifier

Griffith University researchers have developed a device capable of amplifying the information in a single photon without adding noise, preserving quantum information. The breakthrough has far-reaching implications for quantum technologies, including improved quantum cryptography and long-distance communication.

SourceGriffith University·JournalNature Physics·DateNov 11, 2012

Quantum physics at a distance

Physicists at the University of Vienna successfully transmitted quantum states between two islands in the Canary Islands, overcoming previous distances of just 97 km. The experiment uses active feed-forward protocol to enable reliable quantum teleportation over long distances.

SourceUniversity of Vienna·JournalNature·DateSep 5, 2012

Here A Beam, There A Beam

Researchers at California Institute of Technology successfully teleported a quantum state of light from one end of an optical bench to the other. The process, known as quantum teleportation, enables information transmission at the speed of light without physical medium.