$^{171}$Yb$^{3+}$:YSO - The quantum memory of tomorrow

In our recent paper, published in Nature Materials, we study new solid-state material ($^{171}$Yb$^{3+}$:YSO crystal) containing electronic spins and showing promising properties for future quantum technologies.

This work was done in collaboration with Institut de Chimie du CNRS. The discussion of main experimental results can be found in Phys.org.

The strong enhancement of the coherent properties simultaneously for optical and microwave transitions had been observed for zero and low external magnetic fields, allowing future realisation of broadband quantum memories, microwave-optical transducers and an interface with superconducting qubits.

This material opens up a new field of possibilities for creating a global quantum network; it also underlines the importance of pursuing fundamental research in parallel with more applied research, such as devising a quantum memory.

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