BEGIN:VCALENDAR VERSION:2.0 PRODID:Data::ICal 0.22 BEGIN:VEVENT DESCRIPTION:Norbert Linke\, Joint Quantum Institute\, University of Marylan d\, and NIST \n\n
Quantum com
puters can solve certain problems more efficiently than any classical comp
uter. Trapped ions are a promising candidate for realizing such a system.
We present a modular quantum computing architecture comprised of a chain o
f 171Yb+ ions with individual Raman beam addressing and individual readout
[1]. We use the transverse modes of motion in the chain to produce entang
ling gates between any qubit pair. This creates a fully connected system w
hich can be configured to run any sequence of single- and two-qubit gates\
, making it in effect an arbitrarily programmable quantum computer that do
es not suffer any swap-gate overhead [2].
\nRecent results from diffe
rent quantum algorithms on five and seven ions will be presented [3\,4]\,
including a quantum error detection protocol that fault-tolerantly encodes
a logical qubit [5]. I will also discuss current work and ideas to scale
up this architecture.
\n
\n[1] S. Debnath et al.\, Nature 563:63
(2016).
\n[2] NML et al.\, PNAS 114 13:3305 (2017).
\n[3] C. Fi
ggatt et al.\, Nat. Communs. 8\, 1918 (2017).
\n[4] NML et al.\, arXi
v:1712.08581 (2017)
\n[5] NML et al.\, Sci. Adv. 3\, 10 (2017).
\n
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