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Researchers have developed a hybrid technique combining dynamical decoupling with radio frequency control to significantly reduce power consumption while expanding access to carbon-13 nuclear spins in diamond for quantum memory. This advancement overcomes previous bandwidth and geometry constraints, enabling more scalable architectures for ambient-temperature quantum computers. The breakthrough directly enhances the fidelity and efficiency of controlling atomic nuclei, a core challenge in solid-state quantum computing.
Researchers Boost Fidelity of Diamond Spin Controls
Controlling hundreds of atomic nuclei within diamond, a feat previously demanding substantial energy input, is now achievable with markedly reduced power consumption. A new method combines established techniques to not only lessen these demands but also expand access to surrounding carbon-13 registers used as long-term quantum data storage. This advancement promises more scalable architectures for future quantum computers operating at ambient temperatures.
Controlling nuclear spins within diamond is now more precise thanks to a new hybrid technique developed at the Korea Institute of Science and Technology. The method combines dynamical decoupling with radio frequency (H-DDrf) control, reducing both power demands and gate duration whilst maintaining high fidelity. Previously limited by hyperfine geometry and bandwidth constraints, access has sharply expanded to surrounding carbon-thirteen nuclear spins…
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