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Our protocol offers substantial advantages over existing hashing protocols, requiring fewer qubits for purification, achieving higher fidelities, and delivering better yields with reduced computational costs. We provide numerical and semi-analytical results to corroborate our findings and provide a detailed comparison with the hashing protocol of Bennet et al. Although that pioneering work devised performance bounds, it did not offer an explicit construction for implementation. The present work fills that gap, offering both an explicit and more efficient purification method. We demonstrate that our protocol is capable of purifying states with noise on the order of 10% per Bell pair even with a small ensemble of 16 pairs. The work explores a measurement-based implementation of the protocol to address practical setups with noise. This work opens the path to practical and efficient entanglement purification using hashing-based methods with feasible computational costs. Compared to the original hashing protocol, the proposed method can achieve some desired fidelity with a number of initial resources up to one hundred times smaller. Therefore, the proposed method seems well-fit for future quantum networks with a limited number of resources and entails a relatively low computational overhead.<\/jats:p>","DOI":"10.22331\/q-2024-09-19-1476","type":"journal-article","created":{"date-parts":[[2024,9,19]],"date-time":"2024-09-19T11:52:32Z","timestamp":1726746752000},"page":"1476","update-policy":"https:\/\/doi.org\/10.22331\/q-crossmark-policy-page","source":"Crossref","is-referenced-by-count":4,"title":["Efficient entanglement purification based on noise guessing decoding"],"prefix":"10.22331","volume":"8","author":[{"given":"Andr\u00e9","family":"Roque","sequence":"first","affiliation":[{"name":"Instituto Superior T\u00e9cnico, Universidade de Lisboa, Portugal"}]},{"given":"Diogo","family":"Cruz","sequence":"additional","affiliation":[{"name":"Instituto Superior T\u00e9cnico, Universidade de Lisboa, Portugal"},{"name":"Instituto de Telecomunica\u00e7\u00f5es, Portugal"}]},{"given":"Francisco A.","family":"Monteiro","sequence":"additional","affiliation":[{"name":"Instituto de Telecomunica\u00e7\u00f5es, Portugal"},{"name":"ISCTE - Instituto Universit\u00e1rio de Lisboa, Portugal"}]},{"given":"Bruno C.","family":"Coutinho","sequence":"additional","affiliation":[{"name":"Instituto de Telecomunica\u00e7\u00f5es, Portugal"}]}],"member":"9598","published-online":{"date-parts":[[2024,9,19]]},"reference":[{"key":"0","doi-asserted-by":"publisher","unstructured":"H. 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