A property of NV centers in diamond is that the states of their electron spins can be determined from the photons they emit. Placing a system of this kind between two mirrors can considerably improve the rate and yield of emitted photons. As a result, key conditions are met for using NV centers in quantum technology applications. (Image: University of Basel, Department of Physics)
Scientists from the University of Basel's Department of Physics and the Swiss Nanoscience Institute have succeeded in dramatically improving the quality of individual photons generated by a quantum system. The scientists have successfully put a 10-year-old theoretical prediction into practice. With their paper, published recently in Physical Review X, they have taken an important step towards future applications in quantum information technology. For a number of years, scientists have been working on using electron spins to store and process information. A possible approach is to use a quantum system in which the quantum state of the electron spin is linked to that of the emitted light particles (photons). Nitrogen vacancy centers (NV centers) are considered a proven structure for this approach, allowing electron spins to be read and manipulated easily. These NV centers are natural defects in the crystal lattice of diamond, over which researchers have gained control over the last decades.
PER LEGGERE QUESTO ARTICOLO, CREA IL TUO ACCOUNT
Ed estendere la vostra lettura, gratuitamente e senza alcun impegno.
