Secure and Efficient n-Qubit Entangled State Teleportation Using Partially Entangled GHZ Channels and Optimal POVM
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866912701347790848 |
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| author | Banik, Animesh Khan, Md. Shihab Khan, Rafid Masrur Shubha, Syed Emad Uddin Chowdhury, Mahdy Rahman |
| author_facet | Banik, Animesh Khan, Md. Shihab Khan, Rafid Masrur Shubha, Syed Emad Uddin Chowdhury, Mahdy Rahman |
| contents | We introduce an efficient and versatile quantum teleportation protocol for specific types of n-qubit entangled states. By employing a partially entangled Greenberger-Horne-Zeilinger (GHZ) state as the quantum channel and an optimal Positive Operator-Valued Measure (POVM) based on an improved reciprocal state formulation, we achieve unambiguous state discrimination. The scheme has been generalized to support various entangled state configurations and demonstrates a notable reduction in classical communication costs for these states compared to standard Bell-basis teleportation. Its capacity for integration with conventional protocols is pivotal, enhancing quantum hop-by-hop communication security by allowing strategic choices in quantum channel and teleportation strategy |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_07848 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Secure and Efficient n-Qubit Entangled State Teleportation Using Partially Entangled GHZ Channels and Optimal POVM Banik, Animesh Khan, Md. Shihab Khan, Rafid Masrur Shubha, Syed Emad Uddin Chowdhury, Mahdy Rahman Quantum Physics We introduce an efficient and versatile quantum teleportation protocol for specific types of n-qubit entangled states. By employing a partially entangled Greenberger-Horne-Zeilinger (GHZ) state as the quantum channel and an optimal Positive Operator-Valued Measure (POVM) based on an improved reciprocal state formulation, we achieve unambiguous state discrimination. The scheme has been generalized to support various entangled state configurations and demonstrates a notable reduction in classical communication costs for these states compared to standard Bell-basis teleportation. Its capacity for integration with conventional protocols is pivotal, enhancing quantum hop-by-hop communication security by allowing strategic choices in quantum channel and teleportation strategy |
| title | Secure and Efficient n-Qubit Entangled State Teleportation Using Partially Entangled GHZ Channels and Optimal POVM |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2511.07848 |