Publications (9)
SymBreak: Mitigating Quantum Degeneracy Issues in QLDPC Code Decoders by Breaking Symmetry
Keyi Yin, Xiang Fang, Jixuan Ruan +7
Quantum error correction (QEC) is critical for scalable and reliable quantum computing, but existing solutions, such as surface codes, incur significant qubit overhead. Quantum low…
iSwitch: QEC on Demand via In-Situ Encoding of Bare Qubits for Ion Trap Architectures
Keyi Yin, Xiang Fang, Zhuo Chen +10
Recent advances in quantum hardware and error correction have paved the way for early fault-tolerant (EFT) quantum computing. We propose iSwitch, a hybrid system architecture for t…
STQS: A Unified System Architecture for Spatial Temporal Quantum Sensing
Anastashia Jebraeilli, Chenxu Liu, Keyi Yin +3
Quantum sensing (QS) harnesses quantum phenomena to measure physical observables with extraordinary precision, sensitivity, and resolution. Despite significant advancements in quan…
QECC-Synth: A Layout Synthesizer for Quantum Error Correction Codes on Sparse Hardware Architectures
Keyi Yin, Hezi Zhang, Xiang Fang +4
Quantum Error Correction (QEC) codes are essential for achieving fault-tolerant quantum computing (FTQC). However, their implementation faces significant challenges due to disparit…
Surf-Deformer: Mitigating Dynamic Defects on Surface Code via Adaptive Deformation
Keyi Yin, Xiang Fang, Yunong Shi +3
In this paper, we introduce Surf-Deformer, a code deformation framework that seamlessly integrates adaptive defect mitigation functionality into the current surface code workflow.…
Enabling Full-Stack Quantum Computing with Changeable Error-Corrected Qubits
Anbang Wu, Keyi Yin, Andrew W. Cross +2
Executing quantum applications with quantum error correction (QEC) faces the gate non-universality problem imposed by the Eastin-Knill theorem. As one resource-time-efficient solut…
MECH: Multi-Entry Communication Highway for Superconducting Quantum Chiplets
Hezi Zhang, Keyi Yin, Anbang Wu +3
Chiplet architecture is an emerging architecture for quantum computing that could significantly increase qubit resources with its great scalability and modularity. However, as the…
CaliScalpel: In-Situ and Fine-Grained Qubit Calibration Integrated with Surface Code Quantum Error Correction
Xiang Fang, Keyi Yin, Yuchen Zhu +8
Quantum Error Correction (QEC) is a cornerstone of fault-tolerant, large-scale quantum computing. However, qubit error drift significantly degrades QEC performance over time, neces…
Optimizing Quantum Communication for Quantum Data Centers with Reconfigurable Networks
Hezi Zhang, Yiran Xu, Haotian Hu +6
Distributed Quantum Computing (DQC) enables scalability by interconnecting multiple QPUs. Among various DQC implementations, quantum data centers (QDCs), which utilize reconfigurab…