AI Insight
This study demonstrates that bright squeezed vacuum, a non-classical state of light, can significantly enhance nonlinear atomic tunnelling processes beyond what classical light fields allow. The researchers show that quantum correlations inherent in squeezed light states lead to a boosted tunnelling rate in atomic systems, a phenomenon that cannot be replicated with coherent or thermal light of equivalent mean photon number. The work establishes a quantitative link between the degree of light squeezing and the amplification of nonlinear quantum transport in atomic systems.
Why it matters
These findings open pathways for using quantum optical states to control and enhance atomic transport phenomena, with potential relevance to quantum simulation, precision sensing, and the development of quantum technologies that exploit light-matter interaction at the quantum level.
Source: Nonlinear atomic tunnelling boosted by bright squeezed vacuum