8 papers
A Heterogeneous Distributed Architecture for Quantum Simulation
John Stack, Sitong Liu, Abhinav Anand +6
Architectural specialization and distribution can help scale fault-tolerant quantum computers, but may also introduce substantial overheads from communication, routing, and resourc…
INJEQT: Improved Magic-State Injection Protocol for Fault-Tolerant Quantum Extractor Architectures
Sayam Sethi, Sahil Khan, Aditi Awasthi +2
Near-term FTQC system designs are constrained by limited error budgets and largely sequential execution of non-Clifford gates. As a result, reducing the number of the most-error pr…
Architecting Early Fault Tolerant Neutral Atoms Systems with Quantum Advantage
Sahil Khan, Sayam Sethi, Kaavya Sahay +6
Recent advancements in neutral atom platforms have enabled exploration of early fault-tolerant (FT) architectures for applications with quantum advantage, such as quantum dynamics…
Optimizing Logical Mappings for Quantum Low-Density Parity Check Codes
Sayam Sethi, Sahil Khan, Maxwell Poster +2
Early demonstrations of fault tolerant quantum systems have paved the way for logical-level compilation. For fault-tolerant applications to succeed, execution must finish with a lo…
Unbiased observable estimation with approximate channels in fault-tolerant quantum computation
Dmitrii Khitrin, Kenneth R. Brown, Abhinav Anand
Unitary errors, such as those arising from fault-tolerant compilation of quantum algorithms, systematically bias observable estimates. Correcting this bias typically requires addit…
Dynamic local single-shot checks for toric codes
Yingjia Lin, Abhinav Anand, Kenneth R. Brown
Quantum error correction typically requires repeated syndrome extraction due to measurement noise, which results in substantial time overhead in fault-tolerant computation. Single-…