期刊
PHYSICAL REVIEW A
卷 87, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.87.043803
关键词
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资金
- SCOPE program of the MIC of Japan
- PDIS
- GIA
- G-COE
- APSA
- FIRST
- Grants-in-Aid for Scientific Research [23244080] Funding Source: KAKEN
We experimentally generate arbitrary time-bin qubits using continuous-wave light. The advantage unique to our qubit is its compatibility with deterministic continuous-variable quantum information processing. This compatibility comes from its well-defined spatiotemporal mode and frequency spectrum within the operational bandwidth of the current continuous-variable technology. We also demonstrate an efficient scheme to characterize time-bin qubits via eight-port homodyne measurement. This enables the complete characterization of the qubits as two-mode states, as well as a flexible analysis equivalent to the conventional scheme based on a Mach-Zehnder interferometer and photon detection. DOI: 10.1103/PhysRevA.87.043803
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