Scalable digital hardware for a trapped ion quantum computer

Many of the challenges of scaling quantum computer hardware lie at the interface between the qubits and the classical control signals used to manipulate them. Modular ion trap quantum computer architectures address scalability by constructing individual quantum processors interconnected via a networ...

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Bibliographic Details
Published in:Quantum information processing 2016-12, Vol.15 (12), p.5281-5298
Main Authors: Mount, Emily, Gaultney, Daniel, Vrijsen, Geert, Adams, Michael, Baek, So-Young, Hudek, Kai, Isabella, Louis, Crain, Stephen, van Rynbach, Andre, Maunz, Peter, Kim, Jungsang
Format: Article
Language:English
Subjects:
Computer peripherals
Continuous wave lasers
Data Structures and Information Theory
Digital computers
Hardware
Laser cooling
Mathematical Physics
Modular construction
Optical frequency
Phase coherence
Physics
Physics and Astronomy
Processors
Quantum Computing
Quantum Information Technology
Quantum Physics
Quantum theory
Qubits (quantum computing)
Spintronics
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Summary:Many of the challenges of scaling quantum computer hardware lie at the interface between the qubits and the classical control signals used to manipulate them. Modular ion trap quantum computer architectures address scalability by constructing individual quantum processors interconnected via a network of quantum communication channels. Successful operation of such quantum hardware requires a fully programmable classical control system capable of frequency stabilizing the continuous wave lasers necessary for loading, cooling, initialization, and detection of the ion qubits, stabilizing the optical frequency combs used to drive logic gate operations on the ion qubits, providing a large number of analog voltage sources to drive the trap electrodes, and a scheme for maintaining phase coherence among all the controllers that manipulate the qubits. In this work, we describe scalable solutions to these hardware development challenges.
ISSN:1570-0755
1573-1332
DOI:10.1007/s11128-015-1120-z