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Springer Theses

Fast Gates and Mixed-Species Entanglement with Trapped Ions

Authors: Schäfer, Vera M.

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  • Nominated as an outstanding Ph.D. thesis by the University of Oxford, Oxford, UK
  • Discusses in detail the changes in gate dynamics when leaving adiabatic regime
  • Examines in detail how using mixed species affects gate fidelity
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  • ISBN 978-3-030-40285-3
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About this book

Quantum logic gates are the crucial information-processing operation of quantumcomputers. Two crucial performance metrics for logic gates are their precision andspeed. Quantum processors based on trapped ions have always been the touchstonefor gate precision, but have suffered from slow speed relative to other quantum logicplatforms such as solid state systems. This thesis shows that it is possible to acceleratethe logic "clock speed" from kHz to MHz speeds, whilst maintaining a precision of99.8%. This is almost as high as the world record for conventional trapped-ion gates,but more than 20 times faster. It also demonstrates entanglement generation in atime (480ns) shorter than the natural timescale of the ions' motion in the trap, whichstarts to probe an interesting new regime of ion trap physics.
In separate experiments, some of the first "mixed-species" quantum logic gates areperformed, both between two different elements, and between different isotopes.The mixed-isotope gate is used to make the first test of the quantum-mechanical Bellinequality between two different species of isolated atoms.

Table of contents (8 chapters)

Table of contents (8 chapters)

Buy this book

eBook $119.00
price for USA in USD (gross)
  • ISBN 978-3-030-40285-3
  • Digitally watermarked, DRM-free
  • Included format: EPUB, PDF
  • ebooks can be used on all reading devices
  • Immediate eBook download after purchase
Hardcover $159.99
price for USA in USD
  • ISBN 978-3-030-40284-6
  • Free shipping for individuals worldwide
  • Immediate ebook access, if available*, with your print order
  • Usually dispatched within 3 to 5 business days.
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Bibliographic Information

Bibliographic Information
Book Title
Fast Gates and Mixed-Species Entanglement with Trapped Ions
Authors
Series Title
Springer Theses
Copyright
2020
Publisher
Springer International Publishing
Copyright Holder
Springer Nature Switzerland AG
eBook ISBN
978-3-030-40285-3
DOI
10.1007/978-3-030-40285-3
Hardcover ISBN
978-3-030-40284-6
Series ISSN
2190-5053
Edition Number
1
Number of Pages
XVI, 155
Number of Illustrations
4 b/w illustrations, 65 illustrations in colour
Topics

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