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Nanophysics Feb 12, 2024

Breakthrough in single-photon integration holds promise for quantum computing, cryptography

A recent study has unveiled a significant advancement toward the on-chip integration of single-photon sources at room temperature. This achievement represents a significant step forward in the field of quantum photonics and ...

Quantum Physics Jan 25, 2024

Shaping the dawn of the quantum age

Electrons that spin to the right and the left at the same time. Particles that change their states together, even though they are separated by enormous distances. Intriguing phenomena like these are completely commonplace ...

Optics & Photonics Jan 22, 2024

Performing complex-valued linear transformations using spatially incoherent diffractive optical networks

The bulk of the computing in state-of-the-art neural networks comprises linear operations, e.g., matrix-vector multiplications and convolutions. Linear operations can also play an important role in cryptography. While dedicated ...

Nanophysics Jan 19, 2024

Quantum physicist uses graphene ribbons to build nanoscale power plants

When Mickael Perrin started out on his scientific career 12 years ago, he had no way of knowing he was conducting research in an area that would be attracting wide public interest only a few years later: Quantum electronics. ...

Quantum Physics Jan 17, 2024

Scientists build mass-producible miniature quantum memory element

Researchers at the University of Basel have built a quantum memory element based on atoms in a tiny glass cell. In the future, such quantum memories could be mass-produced on a wafer.

Optics & Photonics Dec 27, 2023

Let there be light: Many photons are better than one for advancing quantum technologies

Quantum objects, such as electrons and photons, behave differently from other objects in ways that enable quantum technology. Therein lies the key to unlocking the mystery of quantum entanglement, in which multiple photons ...

General Physics Dec 27, 2023

A logical magic state with fidelity beyond distillation threshold realized on superconducting quantum processor

Quantum computers have the potential to outperform conventional computers on some tasks, including complex optimization problems. However, quantum computers are also vulnerable to noise, which can lead to computational errors.

Optics & Photonics Dec 21, 2023

All-optical object identification and three-dimensional reconstruction based on optical computing metasurface

As object identification and three-dimensional (3D) reconstruction techniques become essential in various reverse engineering, artificial intelligence, medical diagnosis, and industrial production fields, there is an increasing ...

Optics & Photonics Nov 29, 2023

Photonic chips can calculate optimal shape of light for next-gen wireless systems

Optical wireless may no longer have any obstacles. A study by Politecnico di Milano, conducted together with Scuola Superiore Sant'Anna in Pisa, the University of Glasgow and Stanford University, and published in Nature Photonics, ...

Quantum Physics Nov 21, 2023

Researchers achieve zero-knowledge proof based on device-independent quantum random number beacon

Zero-knowledge proof (ZKP) is a cryptographic tool that allows for the verification of validity between mutually untrusted parties without disclosing additional information. Non-interactive zero-knowledge proof (NIZKP) is ...

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