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August 28, 2026Photonics ResearchOpen Access

Quantum Interference Amplifies Weak Chirality into Giant Quantum Nonreciprocity

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Authors

JTJing TangYDYuangang Deng

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Overview

Theoretical modeling demonstrates giant quantum nonreciprocity in spinning resonators, indicating that quantum interference amplifies weak chirality to yield directional nonclassical light.

Key Points

  • To investigate whether phase-controlled quantum interference can amplify weak chirality into giant quantum nonreciprocity at the few-photon level.
  • Modeled a theoretical system consisting of two phase-programmable atoms coupled to a spinning whispering-gallery-mode resonator.
  • Calculated directional photon statistics and isolation ratios resulting from interference-enhanced weak Fizeau splitting.
  • Generated strong directional asymmetry in photon statistics, producing bright antibunched emission in one direction and strongly bunched emission in reverse.
  • Demonstrated phase-controlled power-law scaling with Fizeau splitting, achieving correlation isolation up to 65 dB and brightness isolation up to 17.3 dB.

Cite This Study

Tang et al. (2026) studied this question.

synapsesocial.com/papers/6a914599d15324a1df3a8ee7https://doi.org/10.1364/prj.608183
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