Circuit-quantum electrodynamics with direct magnetic coupling to single-atom spin qubits in isotopically enriched 28Si
Abstract
Recent advances in silicon nanofabrication have allowed the manipulation of spin qubits that are extremely isolated from noise sources, being therefore the semiconductor equivalent of single atoms in vacuum. We investigate the possibility of directly coupling an electron spin qubit to a superconducting resonator magnetic vacuum field. By using resonators modified to increase the vacuum magnetic field at the qubit location, and isotopically purified 28Si substrates, it is possible to achieve coupling rates faster than the single spin dephasing. This opens up new avenues for circuit-quantum electrodynamics with spins, and provides a pathway for dispersive read-out of spin qubits via superconducting resonators.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Aug 01, 2014
- Source ID
- 10.1063/1.4893242
Entities
People
- Andrea Morello
- Fahd A. Mohiyaddin
- Guilherme Tosi
- Hans Huebl
Organizations
- Army Research Office
- Bavarian Academy of Sciences and Humanities
- Nanosystems Initiative Munich
- University of New South Wales