Semiconductor spin qubits
The spin degree of freedom of an electron or a nucleus is one of the most basic properties of
nature and functions as an excellent qubit, as it provides a natural two-level system that is …
nature and functions as an excellent qubit, as it provides a natural two-level system that is …
Materials challenges and opportunities for quantum computing hardware
BACKGROUND The past two decades have seen intense efforts aimed at building quantum
computing hardware with the potential to solve problems that are intractable on classical …
computing hardware with the potential to solve problems that are intractable on classical …
Quantum logic with spin qubits crossing the surface code threshold
High-fidelity control of quantum bits is paramount for the reliable execution of quantum
algorithms and for achieving fault tolerance—the ability to correct errors faster than they …
algorithms and for achieving fault tolerance—the ability to correct errors faster than they …
Universal control of a six-qubit quantum processor in silicon
Future quantum computers capable of solving relevant problems will require a large number
of qubits that can be operated reliably. However, the requirements of having a large qubit …
of qubits that can be operated reliably. However, the requirements of having a large qubit …
Fast universal quantum gate above the fault-tolerance threshold in silicon
Fault-tolerant quantum computers that can solve hard problems rely on quantum error
correction. One of the most promising error correction codes is the surface code, which …
correction. One of the most promising error correction codes is the surface code, which …
Two-qubit silicon quantum processor with operation fidelity exceeding 99%
Silicon spin qubits satisfy the necessary criteria for quantum information processing.
However, a demonstration of high-fidelity state preparation and readout combined with high …
However, a demonstration of high-fidelity state preparation and readout combined with high …
A four-qubit germanium quantum processor
The prospect of building quantum circuits 1, 2 using advanced semiconductor manufacturing
makes quantum dots an attractive platform for quantum information processing 3, 4 …
makes quantum dots an attractive platform for quantum information processing 3, 4 …
Qubits made by advanced semiconductor manufacturing
Full-scale quantum computers require the integration of millions of qubits, and the potential
of using industrial semiconductor manufacturing to meet this need has driven the …
of using industrial semiconductor manufacturing to meet this need has driven the …
Dipolar spin-exchange and entanglement between molecules in an optical tweezer array
Ultracold polar molecules are promising candidate qubits for quantum computing and
quantum simulations. Their long-lived molecular rotational states form robust qubits, and the …
quantum simulations. Their long-lived molecular rotational states form robust qubits, and the …
Semiconductor qubits in practice
In the past decade, semiconducting qubits have made great strides in overcoming
decoherence, improving the prospects for scalability and have become one of the leading …
decoherence, improving the prospects for scalability and have become one of the leading …