12 papers · 1 filter
Gap-Priced -States: Dynamic Post-Selection and Budget-Aware Factory Provisioning
Maxwell Poster, Sayam Sethi, Steven Hofmeyr +3
Magic -state preparation dominates the cost of fault-tolerant quantum computation on surface codes, yet cultivation and distillation are typically provisioned statically…
Staying Sober: A Shot-Free Predictor of Logical Error Rates for Concatenated Quantum Error Correcting Codes
Sayam Sethi, Aditi Awasthi, Maxwell Poster +2
Estimating the logical error rate (LER) of a quantum error-correcting (QEC) code by Monte Carlo sampling takes samples at physical error r…
Exploring Asymmetric QEC Code Concatenation
Sayam Sethi, Maxwell Poster, Aditi Awasthi +3
Concatenated quantum error-correcting codes have recently gained popularity because they improve the effective distance of a joint code without requiring the discovery of new codes…
Computationally Efficient Optimization of Per-Qubit Clifford Deformation for Non-uniform Biased Noise
Won Joon Yun, Andrew Nemec, Jonathan M. Baker
In fault-tolerant quantum computing systems with biased noise, Clifford deformation can substantially reduce the logical error rate (LER) without additional physical hardware overh…
Optimizing Parallel Execution of Commuting Pauli Product Rotations
Sayam Sethi, Devika Nambisan, Jonathan Mark Baker
Fault-Tolerant Quantum Computation (FTQC) permits parallel execution of mutually commuting Pauli Product Rotations (PPRs), but per-qubit access point/port limits (e.g. two X and tw…
Price and Payoff: Non-Determinism in Fault Tolerant Quantum Computation
Aditi Awasthi, Sayam Sethi, Sahil Khan +2
A promising approach to achieving scalable fault-tolerant quantum computation is the use of quantum error correction (QEC) codes augmented with magic states i.e. resource states pr…
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…
ReloQate: Transient Drift Detection and In-Situ Recalibration in Surface Code Quantum Error Correction
Maxwell Poster, Jason Chadwick, Jonathan Mark Baker
Quantum error correction (QEC) promises to exponentially suppress qubit noise, but typically assumes spatially-uniform and temporally-constant noise rates. However, real quantum ha…
Cyclone: Designing Efficient and Highly Parallel QCCD Architectural Codesigns for Fault Tolerant Quantum Memory
Sahil Khan, Abhinav Anand, Kenneth R. Brown +1
Modular trapped-ion quantum computing hardware, known as QCCDs require shuttling operations in order to maintain effective all-to-all connectivity. Each module or trap can perform…
Moveless: Minimizing Overhead on QCCDs via Versatile Execution and Low Excess Shuttling
Sahil Khan, Suhas Vittal, Kenneth Brown +1
One of the most promising paths towards large scale fault tolerant quantum computation is the use of quantum error correcting stabilizer codes. Just like every other quantum circui…