AI Article Synopsis
- The experiment highlights three-photon interference on a beam splitter using a combination of a weak coherent state and a two-photon state from spontaneous parametric down conversion.
- The findings suggest that the interference involves a complex combination of probability amplitudes from the different states, which can interact with one another.
- Additionally, the interference is influenced by both the relative phase of the fields and the amplitude of the coherent state, potentially offering a new parameter for generating advanced quantum states like high N00N states through quantum interference.
Article Abstract
We experimentally demonstrated a three-photon interference on a beam splitter between a weak coherent state and a two-photon state produced by a spontaneous parametric down conversion. It indicates that a combined three-photon probability amplitude, which is formed by the two-photon state and one-photon from the coherent state, can be used to interfere with another three-photon probability amplitude from the coherent state. The observed three-photon coincidence rate showed that the interference depended on not only the relative phase between the two interference field but also the amplitude of the weak coherent state. This may introduce another free parameter for preparing quantum state, such as high N00N state, with quantum interference.
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| http://dx.doi.org/10.1364/OE.26.020442 | DOI Listing |
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