Immense Fidelity Enhancement of Encoded Quantum Bell Pairs at Short and Long-distance Communication along with Generalized Design of Circuit

SEU Shubha, MS Rahman, MRC Mahdy - arXiv preprint arXiv:2303.07425, 2023 - arxiv.org
Quantum entanglement is a unique criterion of the quantum realm and an essential tool to
secure quantum communication. Ensuring high-fidelity entanglement has always been a …

Circuit symmetry verification mitigates quantum-domain impairments

Y Xiong, D Chandra, SX Ng… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
State-of-the-art noisy intermediate-scale quantum computers require low-complexity
techniques for the mitigation of computational errors inflicted by quantum decoherence …

Coherence requirements for quantum communication from hybrid circuit dynamics

SP Kelly, U Poschinger, F Schmidt-Kaler, M Fisher… - SciPost Physics, 2023 - scipost.org
The coherent superposition of quantum states is an important resource for quantum
information processing which distinguishes quantum dynamics and information from their …

Leveraging junk information to enhance the quantum error mitigation

R Wang, X Xu, F Yan, X Xiao, Y Li, X Cai… - arXiv preprint arXiv …, 2024 - arxiv.org
Noise in quantum information processing poses a significant obstacle to achieving precise
results. Quantum error mitigation techniques are crucial for improving the accuracy of …

Machine learning for practical quantum error mitigation

H Liao, DS Wang, I Sitdikov, C Salcedo, A Seif… - arXiv preprint arXiv …, 2023 - arxiv.org
Quantum computers are actively competing to surpass classical supercomputers, but
quantum errors remain their chief obstacle. The key to overcoming these on near-term …

Novel techniques for information reconciliation, quantum channel probing and link design for quantum key distribution

M Mondin, F Daneshgaran, M Delgado… - … Satellite Services: Second …, 2010 - Springer
In this manuscript, a novel technique for forward error correction based information
reconciliation is proposed, exploiting capacity achieving soft-metric based iteratively …

Reliable quantum communications based on asymmetry in purification and coding

L Valentini, RB Christensen, P Popovski… - arXiv preprint arXiv …, 2023 - arxiv.org
The reliable provision of entangled qubits is an essential precondition in a variety of
schemes for distributed quantum computing. This is challenged by multiple nuisances, such …

Generic detection-based error mitigation using quantum autoencoders

XM Zhang, W Kong, MU Farooq, MH Yung, G Guo… - Physical Review A, 2021 - APS
Efficient error-mitigation techniques demanding minimal resources is key to quantum
information processing. We propose a generic protocol to mitigate quantum errors using …

Universal cost bound of quantum error mitigation based on quantum estimation theory

K Tsubouchi, T Sagawa, N Yoshioka - Physical Review Letters, 2023 - APS
We present a unified approach to analyzing the cost of various quantum error mitigation
methods on the basis of quantum estimation theory. By analyzing the quantum Fisher …

Minimizing readout-induced noise for early fault-tolerant quantum computers

Y Zheng, K Kanno - Physical Review Research, 2024 - APS
Quantum error correcting code can diagnose potential errors and correct them based on
measured outcomes by leveraging syndrome measurement. However, mid-circuit …