Quantum computer made with diamond spin qubits achieves ultra-low error rates

Fujitsu and QuTech researchers have developed a diamond quantum chip with a record-low error rate below 0.1%. The chip uses diamond spin qubits, which operate at higher temperatures and are suitable for quantum networks. This advancement could improve quantum computation precision and accelerate progress in the field. The team aims to increase qubit count and develop optical interconnects to enhance the system further.