Distributed Quantum Dense Coding Enhanced With Non-classical Routing
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866916658085363712 |
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| author | Hullamballi, Pratham Bhattacharyya, Aparajita Sen, Ujjwal |
| author_facet | Hullamballi, Pratham Bhattacharyya, Aparajita Sen, Ujjwal |
| contents | We propose a distributed quantum dense coding protocol that uses a control system to superpose two dense coding processes, allowing us to simultaneously and coherently encode and non-classically route the sender's single-qubit system to two receiver labs. We find that dense coding with coherently controlled encoding and routing performs better than the standard dense coding protocol in both global and one-way local decoding strategies employed by receiver labs in weak entanglement regimes and with noisy mixed states. We extend our protocol to an arbitrary number of receivers and analyse its performance under a global decoding strategy. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_16122 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Distributed Quantum Dense Coding Enhanced With Non-classical Routing Hullamballi, Pratham Bhattacharyya, Aparajita Sen, Ujjwal Quantum Physics We propose a distributed quantum dense coding protocol that uses a control system to superpose two dense coding processes, allowing us to simultaneously and coherently encode and non-classically route the sender's single-qubit system to two receiver labs. We find that dense coding with coherently controlled encoding and routing performs better than the standard dense coding protocol in both global and one-way local decoding strategies employed by receiver labs in weak entanglement regimes and with noisy mixed states. We extend our protocol to an arbitrary number of receivers and analyse its performance under a global decoding strategy. |
| title | Distributed Quantum Dense Coding Enhanced With Non-classical Routing |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2503.16122 |