Researchers have developed a new diamond processing method, which facilitates the control and production of arrays of structural defects of the crystal lattice.
Quantum computers are a promising direction for the development of information technologies and
A team of scientists from Oxford University recently introduced a new method for creating crystalline defects in diamonds (nitrogen-vacancy centers color) by focusing the sequence of ultricular laser pulses. It provides for the use of a sensitive fluorescent monitor for detecting light emitted from the focal area, allowing to actively monitor the process in response to the observed signal.
Combining local control and feedback, the method facilitates the production of arrays from single AV-centers at each point and allows you to accurately monitor their location. This is a key factor for the scalability of technology and the development of integrated devices. A quick one-step process is easy to automate, so the creation of each nitrogen-vacancy center paint takes a few seconds.
Laser recording of individual defects in diamond with a yield close to one.
Scientists expect the proposed method to use for the manufacture of diamond chips of a centimeter size containing 100 thousand or more AV-centers, which will create a universal fault-tolerant quantum computer.
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