Silicon Quantum Information Processing

Part of the Lecture Notes in Physics book series (LNP, volume 911)

Abstract

Recent developments towards utilizing electron and nuclear spins in silicon as quantum bits for quantum information processing are reviewed. Motivated by the seminal proposal of a silicon-based quantum computer by Kane in 1998, quantum entanglement between electron and nuclear spins of phosphorus donors in silicon, and quantum memory operation of 29Si nuclear spins in silicon have been demonstrated in the lab. In all of these studies utilizing ensemble of qubits in silicon, isotope engineering has played an important role in extending the coherence time and eliminating the inhomogeneous broadening. Furthermore, fundamental qubit performance of single electron and nuclear spins will be discussed assuming a single electron transistor device.

Keywords

Solid-state quantum computing Silicon quantum computing Entanglement Isotope engineering 

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Copyright information

© Springer Japan 2016

Authors and Affiliations

  1. 1.Department of Applied Physics and Physico-InformaticsKeio UniversityYokohamaJapan

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