Single-qubit optical quantum fingerprinting
We analyze and demonstrate the feasibility and superiority of linear optical single-qubit fingerprinting over its classical counterpart. For one-qubit fingerprinting of two-bit messages, we prepare `tetrahedral' qubit states experimentally and show that they meet the requirements for quantum fi...
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| Veröffentlicht in: | arXiv.org 2004-10 |
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| creator | Horn, Rolf T Babichev, S A Karl-Peter Marzlin Lvovsky, A I Sanders, Barry C |
| description | We analyze and demonstrate the feasibility and superiority of linear optical single-qubit fingerprinting over its classical counterpart. For one-qubit fingerprinting of two-bit messages, we prepare `tetrahedral' qubit states experimentally and show that they meet the requirements for quantum fingerprinting to exceed the classical capability. We prove that shared entanglement permits 100% reliable quantum fingerprinting, which will outperform classical fingerprinting even with arbitrary amounts of shared randomness. |
| doi_str_mv | 10.48550/arxiv.0410232 |
| format | Article |
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| subjects | Feasibility studies Fingerprinting Quantum entanglement Qubits (quantum computing) |
| title | Single-qubit optical quantum fingerprinting |
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