6 papers
High-Rank Encoding Can Improve Approximate Quantum Error Correction
Bikun Li, Liang Jiang
Conventional quantum-code constructions encode pure logical states as pure code states, but this restriction can sacrifice performance. We show that intrinsic encoding randomness c…
Realistic Simulation of Quantum Repeater with Encoding and Classical Error Correction
Sagar Patange, Caitao Zhan, Bikun Li +4
Quantum repeaters are essential for scalable long-distance quantum networking. As quantum information processing moves toward fault-tolerant and error-corrected operations, it beco…
Efficient Entanglement Purification Circuit Design for Dual-Species Atom Arrays
Bikun Li, Daniel Dilley, Alvin Gonzales +6
Entanglement purification protocols (EPPs) are essential for generating high-fidelity entangled states in noisy quantum systems, enabling robust quantum networking and computation.…
Space-time Peer-to-Peer Distribution of Multi-party Entanglement for Any Quantum Network
Yuexun Huang, Xiangyu Ren, Bikun Li +3
Graph states are a class of important multiparty entangled states, of which bell pairs are the special case. Realizing a robust and fast distribution of arbitrary graph states in t…
Generalized Quantum Repeater Graph States
Bikun Li, Kenneth Goodenough, Filip Rozpędek +1
All-photonic quantum repeaters are essential for establishing long-range quantum entanglement. Within repeater nodes, reliably performing entanglement swapping is a key component o…
Detecting Errors in a Quantum Network with Pauli Checks
Alvin Gonzales, Daniel Dilley, Bikun Li +2
We apply the quantum error detection scheme Pauli check sandwiching (PCS) to quantum networks by turning it into a distributed multiparty protocol. PCS provides protection on the t…