Review of performance metrics of spin qubits in gated semiconducting nanostructures
Abstract This Technical Review collects values of selected performance characteristics of
semiconductor spin qubits defined in electrically controlled nanostructures. The …
semiconductor spin qubits defined in electrically controlled nanostructures. The …
A cryogenic CMOS chip for generating control signals for multiple qubits
Scaled-up quantum computers will require control interfaces capable of the manipulation
and readout of large numbers of qubits, which usually operate at millikelvin temperatures …
and readout of large numbers of qubits, which usually operate at millikelvin temperatures …
Microwaves in quantum computing
Quantum information processing systems rely on a broad range of microwave technologies
and have spurred development of microwave devices and methods in new operating …
and have spurred development of microwave devices and methods in new operating …
Jellybean Quantum Dots in Silicon for Qubit Coupling and On‐Chip Quantum Chemistry
The small size and excellent integrability of silicon metal–oxide–semiconductor (SiMOS)
quantum dot spin qubits make them an attractive system for mass‐manufacturable, scaled …
quantum dot spin qubits make them an attractive system for mass‐manufacturable, scaled …
Fast spin exchange across a multielectron mediator
Scalable quantum processors require tunable two-qubit gates that are fast, coherent and
long-range. The Heisenberg exchange interaction offers fast and coherent couplings for spin …
long-range. The Heisenberg exchange interaction offers fast and coherent couplings for spin …
Autonomous tuning and charge-state detection of gate-defined quantum dots
Defining quantum dots in semiconductor-based heterostructures is an essential step in
initializing solid-state qubits. With growing device complexity and increasing number of …
initializing solid-state qubits. With growing device complexity and increasing number of …
Donor-based qubits for quantum computing in silicon
Spin-qubits based on impurities such as phosphorus in silicon (Si) have attractive attributes
for the development of quantum computing devices. Very long coherence times can be …
for the development of quantum computing devices. Very long coherence times can be …
Spin of a multielectron quantum dot and its interaction with a neighboring electron
We investigate the spin of a multielectron GaAs quantum dot in a sequence of nine charge
occupancies, by exchange coupling the multielectron dot to a neighboring two-electron …
occupancies, by exchange coupling the multielectron dot to a neighboring two-electron …
Exchange coupling in a linear chain of three quantum-dot spin qubits in silicon
Quantum gates between spin qubits can be implemented leveraging the natural Heisenberg
exchange interaction between two electrons in contact with each other. This interaction is …
exchange interaction between two electrons in contact with each other. This interaction is …
Characterizing quantum devices at scale with custom cryo-CMOS
We make use of a custom-designed cryo-CMOS multiplexer to enable multiple quantum
devices to be characterized in a single cooldown of a dilution refrigerator. Combined with a …
devices to be characterized in a single cooldown of a dilution refrigerator. Combined with a …