Control, Noise and Scalable Devices
Pulses, noise, fidelity, cryogenic electronics and arrays.
Explore the concepts
Concept 31Charge-noise and detuning sweet spots
Operating at a stationary frequency can reduce first-order noise.
Concept 32Relaxation and dephasingQuantum information decays through energy loss and phase randomization.
Concept 33Dynamical decoupling for spin qubitsPulse sequences can cancel slow fluctuations.
Concept 34Two-qubit gates via exchangeExchange can entangle neighboring spin qubits.
Concept 35Capacitive and resonator-mediated gatesQubits can couple without direct electron exchange.
Concept 36Gate fidelity and randomized benchmarkingReliable processors require quantified gate errors.
Concept 37Cryogenic control and multiplexingWiring and heat budgets become central in large arrays.
Concept 38Crossbar arrays and shuttlingElectrons can be transported through controlled dot arrays.