Hybrid solid-state qubits: the powerful role of electron spins

John J L Morton, Brendon W Lovett

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

We review progress on the use of electron spins to store and process quantum information, with particular focus on the ability of the electron spin to interact with multiple quantum degrees of freedom. We examine the benefits of hybrid quantum bits (qubits) in the solid state that are based on coupling electron spins to nuclear spins, electron charge, optical photons, and superconducting qubits. These benefits include the coherent storage of qubits for times exceeding seconds; fast qubit manipulation; single qubit measurement; and scalable methods for entangling spatially separated, matter-based qubits. In this way, the key strengths of different physical qubit implementations are brought together, laying the foundation for practical solid-state quantum technologies.

Original languageEnglish
Pages (from-to)189-212
Number of pages24
JournalAnnual Review of Condensed Matter Physics
Volume2
DOIs
Publication statusPublished - Mar 2011

Cite this