Capacity and SKR tradeoff in coexisting classical and CV-QKD metropolitan-reach optical links
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866917148513796096 |
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| author | Ozkan, Cagla Zischler, Lucas Alves Gumus, Kadir Frazao, Joao dos Reis Antonelli, Cristian Okonkwo, Chigo |
| author_facet | Ozkan, Cagla Zischler, Lucas Alves Gumus, Kadir Frazao, Joao dos Reis Antonelli, Cristian Okonkwo, Chigo |
| contents | We demonstrate power-regime-dependent guardband optimization for quantum-classical coexistence in metropolitan DWDM. Quantum channel at band-edge with 100-150 GHz guardbands achieves 108% SKR improvement at -1.5 dBm/ch, incurring 3.4% capacity loss versus 6.8% for band-center. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_14408 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Capacity and SKR tradeoff in coexisting classical and CV-QKD metropolitan-reach optical links Ozkan, Cagla Zischler, Lucas Alves Gumus, Kadir Frazao, Joao dos Reis Antonelli, Cristian Okonkwo, Chigo Quantum Physics We demonstrate power-regime-dependent guardband optimization for quantum-classical coexistence in metropolitan DWDM. Quantum channel at band-edge with 100-150 GHz guardbands achieves 108% SKR improvement at -1.5 dBm/ch, incurring 3.4% capacity loss versus 6.8% for band-center. |
| title | Capacity and SKR tradeoff in coexisting classical and CV-QKD metropolitan-reach optical links |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2512.14408 |