4.6 Article

Pulsed force sequences for fast phase-insensitive quantum gates in trapped ions

Journal

NEW JOURNAL OF PHYSICS
Volume 16, Issue -, Pages -

Publisher

IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/16/5/053049

Keywords

ion trap; quantum gate; quantum computing; fast gate; pulse sequence; fault tolerant

Funding

  1. National Security Agency (NSA)
  2. Disruptive Technology Office (DTO) [W911NF-05-1-0297]
  3. EPSRC (QIP IRC)
  4. Royal Society

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We show how to create quantum gates of arbitrary speed between trapped ions using a laser walking wave, with complete insensitivity to the drift of the optical phase, and requiring cooling only to the Lamb-Dicke regime. We present pulse sequences that satisfy the requirements and are easy to produce in the laboratory.

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