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Quantum Science and Quantum Technologies Brussels, Berlayemont
7 March 2013
Quantum Processors Rainer Blatt
University of Innsbruck and Austrian Academy of Sciences Innsbruck
Quantum Processors
Advances in Computer Science and Technology
Quantum Information Processing
The European Position in the Quantum World
Vision and Challenges
Hints for Policy-Making
Rainer Blatt
Institute for Experimental Physics, Universität Innsbruck Institute for Quantum Optics and Quantum Information
Austrian Academy of Sciences, Innsbruck
Moore’s law: every 18 months computer power doubles
faster = smaller
Pentium 4 (2002)
1 atom
ENIAC (1947)
from: Gordon E. Moore “No exponential is forever…“
Progress in technology …
Progress in technology …
1960 1970 1980 1990 2000 2010 2020 year
1 atom per bit nu
mb
er
of ato
ms p
er
bit
~ 2017
How many atoms per bit?
1019
1015
1011
107
103
100
Pentium 4
R. W. Keyes, IBM J. R&D 32, 26 (1988)
22 nm transistor
faster = smaller
Pentium 4 (2002)
1 atom
ENIAC (1947)
Ion Trap Quantum Processor
… a European concept
ion trap chip 2008, microtrap Innsbruck ion trap since 2000
European quantum microprocessor
Quantum Processors
2-dimensional quantum processor, prototype with 4 x 4 ions Innsbruck 2012 Wordwide efforts
to build an ion trap quantum processor: USA: „trap foundries“ - SANDIA - GeorgiaTech Australia, Singapore: first efforts
European Position
Europe has still a leading role in
developing quantum processors (ion traps, optical lattices, superconducting qubits, solid state concepts, photonic qc etc.)
implementing quantum algorithms especially for quantum simulations
inventing new concepts for quantum information processors, applications of QIP
Worldwide efforts in QIP are biggest in
USA and Canada: emphasis on quantum processors, quantum devices, quantum communication
Australia: quantum processors, quantum devices
Asia (Japan, China, Singapore): quantum processors, quantum devices
European Highlights 2011 - 2012
Biggest entangled quantum register realized: 14 entangled ions
towards universal quantum computing
(IBK 2011)
Universal quantum simulations demonstrated: up to 200 gate operations
digital quantum simulations using a small quantum computer
(IBK 2011-2012)
First quantum simulation beyond classical computation
non-equilibrium many-body dynamics using an analog quantum simulator
(Munich 2012)
Vision and Challenges
Development of an all-purpose quantum processor that makes use of the laws of quantum mechanics for
► Quantum Computation and Quantum Simulation
► Quantum Metrology and Quantum Sensors
► Specific Quantum Devices (QRNG, etc.)
Within 5-10 years: Develop Quantum Simulators that tackle
problems beyond classical computation
Major challenges:
► Define best systems for application areas
► Scalability to larger devices
► Development of more quantum algorithms
► Implement quantum error correction
Hints for policy-making
Quantum Information Processing and Quantum Technologies need a pan-European research strategy to
encompass a steadily growing QIPC community
be multi-disciplinary: physics, computer science, materials science, engineering, mathematics, nano-technology on European scale
make use of the creation, the routine control and the practical use of
large scale entanglement and superpositions
build on FP initiatives, coordinate the support of national programs
ensure the leading role of European QIPC research world-wide
Quantum Technologies
are based on creating, handling and manipulation of
Entanglement and Superpositions
putting entanglement to work
Vision (after Einstein): „ Use the spooky action at a distance“
… to keep Europe at the forefront of quantum science and competitive for the future
!
Quantum Technologies