9 papers
Long-Distance Superexchange between Semiconductor Quantum-Dot Electron Spins
Haifeng Qiao, Yadav P. Kandel, Saeed Fallahi +4
Because of their long coherence times and potential for scalability, semiconductor quantum-dot spin qubits hold great promise for quantum information processing. However, maintaini…
Adiabatic quantum state transfer in a semiconductor quantum-dot spin chain
Yadav P. Kandel, Haifeng Qiao, Saeed Fallahi +3
Semiconductor quantum-dot spin qubits are a promising platform for quantum computation, because they are scalable and possess long coherence times. In order to realize this full po…
Coherent multi-spin exchange coupling in a quantum-dot spin chain
Haifeng Qiao, Yadav P. Kandel, Kuangyin Deng +5
Heisenberg exchange coupling between neighboring electron spins in semiconductor quantum dots provides a powerful tool for quantum information processing and simulation. Although s…
Rapid high-fidelity spin state readout in Si/SiGe quantum dots via radio-frequency reflectometry
Elliot J. Connors, JJ Nelson, John M. Nichol
Silicon spin qubits show great promise as a scalable qubit platform for fault-tolerant quantum computing. However, fast high-fidelity readout of charge and spin states, which is re…
Conditional Teleportation of Quantum-Dot Spin States
Haifeng Qiao, Yadav P. Kandel, Sreenath K. Manikandan +5
Among the different platforms for quantum information processing, individual electron spins in semiconductor quantum dots stand out for their long coherence times and potential for…
Low-frequency charge noise in Si/SiGe quantum dots
Elliot J. Connors, JJ Nelson, Haifeng Qiao +2
Electron spins in silicon have long coherence times and are a promising qubit platform. However, electric field noise in semiconductors poses a challenge for most single- and multi…