The European Quantum Flagship Initiative announced that the Ariane 6 carrier rocket was successfully launched a few days ago, carrying the advanced Diamond Quantum Magnetometer developed by its project AMADEUS, which can detect magnetic fields with incredible sensitivity. This device, named Oscar-Qube Plus, is a miniature quantum magnetic field sensor. Its first-generation version was launched to the International Space Station in August 2021 for scientific research.

Recently, scientists from EPFL have fabricated a device capable of operating in extremely low temperature and low magnetic field environments required by quantum systems. This device efficiently convert heat into electrical voltage using the Nernst effect and exhibits efficiency comparable to current technologies at room temperature. Combining the excellent electrical conductivity of graphene with the semiconductor properties of indium selenide, this device is a two-dimensional object only a few atoms thick.

Researchers at ETH Zurich have shown that quantum states of single electron spins can be selectively manipulated using spin-polarized currents (electronic currents with uniformly aligned spins). Unlike electromagnetic field manipulation, spin-polarized currents act very locally and can be steered with a precision of less than a nanometre. Therefore, this current can precisely manipulate electronic circuit elements in quantum devices, offering improved control of the quantum states of magnetic qubits.