Error Correction Methods for Protecting Quantum Information

Error Correction Methods for Protecting Quantum Information

Swathi Mummadi (B.V. Raju Institute of Technology, India), Gnaneshwara Chary Udari (B.V. Raju Institute of Technology, India), C. Achyuth (B.V. Raju Institute of Technology, India), and C. Karthik (B.V. Raju Institute of Technology, India)
Copyright: © 2025 |Pages: 20
DOI: 10.4018/979-8-3693-7673-7.ch005
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Abstract

The field of quantum computing holds immense promise for solving complex problems that are currently intractable for classical computers. However, the practical realization of quantum computers faces a critical challenge: the inherent fragility of qubits, the fundamental units of quantum information. Quantum systems are susceptible to various types of errors and decoherence due to their interaction with the surrounding environment, which can lead to a rapid degradation of quantum information. This chapter delves into the pivotal aspect of quantum error correction techniques as a means to mitigate the adverse effects of errors and decoherence in quantum computing systems. Begins by elucidating the theoretical foundations of quantum error correction, exploring the principles that underlie the encoding of quantum information into larger, redundant codes that are resilient to errors. A comprehensive overview of prominent quantum error correction codes, such as the stabilizer codes and topological codes, is provided, along with a discussion of their respective strengths and limitations.
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