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 …
Coherent control of a donor-molecule electron spin qubit in silicon
Donor spins in silicon provide a promising material platform for large scale quantum
computing. Excellent electron spin coherence times of T 2*= 268 μ s with fidelities of 99.9 …
computing. Excellent electron spin coherence times of T 2*= 268 μ s with fidelities of 99.9 …
Coherent spin–valley oscillations in silicon
Electron spins in silicon quantum dots are excellent qubits because they have long
coherence times and high gate fidelities and are compatible with advanced semiconductor …
coherence times and high gate fidelities and are compatible with advanced semiconductor …
Coherent coupling between a quantum dot and a donor in silicon
P Harvey-Collard, NT Jacobson, M Rudolph… - Nature …, 2017 - nature.com
Individual donors in silicon chips are used as quantum bits with extremely low error rates.
However, physical realizations have been limited to one donor because their atomic size …
However, physical realizations have been limited to one donor because their atomic size …
Coherent operations and screening in multielectron spin qubits
Multielectron spin qubits are demonstrated, and performance examined by comparing
coherent exchange oscillations in coupled single-electron and multielectron quantum dots …
coherent exchange oscillations in coupled single-electron and multielectron quantum dots …
Spin quintet in a silicon double quantum dot: Spin blockade and relaxation
Spins in gate-defined silicon quantum dots are promising candidates for implementing large-
scale quantum computing. To read the spin state of these qubits, the mechanism that has …
scale quantum computing. To read the spin state of these qubits, the mechanism that has …
Non-symmetric Pauli spin blockade in a silicon double quantum dot
Spin qubits in gate-defined silicon quantum dots are receiving increased attention thanks to
their potential for large-scale quantum computing. Readout of such spin qubits is done most …
their potential for large-scale quantum computing. Readout of such spin qubits is done most …
Crosstalk error correction through dynamical decoupling of single-qubit gates in capacitively coupled singlet-triplet semiconductor spin qubits
D Buterakos, RE Throckmorton, S Das Sarma - Physical Review B, 2018 - APS
In addition to magnetic field and electric charge noise adversely affecting spin-qubit
operations, performing single-qubit gates on one of multiple coupled singlet-triplet qubits …
operations, performing single-qubit gates on one of multiple coupled singlet-triplet qubits …
Silicon-based qubit technology: progress and future prospects
Pathbreaking advancements in the field of nanofabrication techniques have put qubit
technology at the forefront of quantum computation. Thanks to Silicon (Si) with its …
technology at the forefront of quantum computation. Thanks to Silicon (Si) with its …
Quantum steering borders in three-qubit systems
We discuss a family of states describing three-qubit systems in a context of quantum steering
phenomena. We show that symmetric steering cannot appear between two qubits—only …
phenomena. We show that symmetric steering cannot appear between two qubits—only …