期刊
PHYSICAL REVIEW A
卷 96, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.96.043807
关键词
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资金
- AFOSR MURI [FA95501610323]
- ONR
- Sloan Foundation
- Physics Frontier Center at the Joint Quantum Institute
- U.S. Department of Defense (DOD) [FA95501610323] Funding Source: U.S. Department of Defense (DOD)
- Direct For Mathematical & Physical Scien
- Division Of Physics [1430094] Funding Source: National Science Foundation
A common challenge in quantum information processing with photons is the limited ability to manipulate and measure correlated states. An example is the inability to measure picosecond-scale temporal correlations of a multiphoton state, given state-of-the-art detectors have a temporal resolution of about 100 ps. Here, we demonstrate temporal magnification of time-bin-entangled two-photon states using a time lens and measure their temporal correlation function, which is otherwise not accessible because of the limited temporal resolution of single-photon detectors. Furthermore, we show that the time lens maps temporal correlations of photons to frequency correlations and could be used to manipulate frequency-bin-entangled photons. This demonstration opens a new avenue to manipulate and analyze spectral and temporal wave functions of many-photon states.
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