Real-Time Feedback Control of Charge Sensing for Quantum Dot Qubits
Real-Time Feedback Control of Charge Sensing for Quantum Dot Qubits
Measuring electrical charge with single-electron resolution is essential for implementing spin qubits in semiconductor quantum dots. Applying quantum dot charge sensors in larger-scale quantum computing devices is being held back because these sensors are easily affected by environmental disturbances, and thus require elaborate tune-up. This study uses a feedback control …