Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session K71: Quantum LDPC Codes and Decoders
3:00 PM–5:48 PM,
Tuesday, March 7, 2023
Room: Room 407/408
Sponsoring
Unit:
DQI
Chair: Ciaran Ryan-Anderson, Quantinuum
Abstract: K71.00005 : Real-Time Decoding for Fault-Tolerant Quantum Computing: Towards higher decoding speed and lower communication latency*
3:48 PM–4:00 PM
Presenter:
Francesco Battistel
(Qblox)
Authors:
Francesco Battistel
(Qblox)
Muhammad Usman
(The University of Melbourne and Data61/CSIRO)
Christopher Chamberland
(Amazon Web Services (AWS))
Swamit Tannu
(University of Wisconsin - Madison)
Ramon W Overwater
(Delft University of Technology, Quantum and Computer Engineering, and QuTech)
Fabio Sebastiano
(Delft University of Technology, Quantum and Computer Engineering, and QuTech)
Yosuke Ueno
(University of Tokyo and TU Munich)
Luka Skoric
(Riverlane)
Jordy Gloudemans
(Qblox)
Damaz de Jong
(Qblox)
Wouter Vlothuizen
(Qblox)
Jules van Oven
(Qblox)
Cornelis Christiaan Bultink
(Qblox)
To address the communication-latency issue, Qblox proposes and implements a distributed control-stack architecture where measurement outcomes and Pauli-frame updates are shared within a few hundreds of nanoseconds. This architecture includes and interfaces to a specialized module for running user-defined decoding algorithms.
*Qblox is partially funded by the European Commission, Grant agreement ID: 969201.
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