New insights into the energy levels in quantum dots

Researchers from Basel, Bochum, and Copenhagen have gained new insights into the energy states of quantum dots. They are semiconductor nanostructures and promising building blocks for quantum communication. With their experiments, ...

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 ...

Adding noise for completely secure communication

How can we protect communications against eavesdropping if we don't trust the devices used in the process? This is one of the main questions in quantum cryptography research. Researchers at the University of Basel and ETH ...

One-kilometer breakthrough made in quantum field

A team led by Prof. Guo Guangcan from University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) and collaborators first realized distribution of high-dimensional orbital angular momentum ...

Nanoscale spectroscopy review showcases a bright future

Modern society is working closer to the nanoscale than it realises. Breakthroughs and advances in developing and manipulating nanostructures have led to technological progress that not only drives imaging and sensing devices ...

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