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TartanQEC | Speaker

Mark Webster

IonQ

Mark Webster has worked on a wide range of topics in quantum error correction. His first paper introduced the XP formalism, and he's since done work on logical gates (automorphisms and non-Clifford), design of quantum codes (large and small), circuit synthesis, distance-finding (QDistEvol) and decoders (AutDEC and Vibe). His PhD is from the University of Sydney and he's been in the UK since 2024, firstly as a postdoc in Dan Browne's group and now with IonQ.

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The Walking Cat Architecture

We propose a fault-tolerant quantum computer architecture for trapped-ion devices, which we call the walking cat architecture. Our blueprint includes a compiler, a detailed description of all the quantum error-correction protocols, a micro-architecture, a sufficiently fast decoder, and thorough simulations. The walking cat architecture is based entirely on low-density parity-check (LDPC) codes and relies on hardware components that have been experimentally demonstrated on small devices.