A giant atom coupled to a detuned honeycomb photonic lattice emits valley-polarized photons that propagate chirally along domain walls.
The essential requirement is that its frequency lies within the gap and its coupling is small compared to the detuning from band edges
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2026 1verdicts
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Giant-atom-enabled quantum optics with valley-polarized photons
A giant atom coupled to a detuned honeycomb photonic lattice emits valley-polarized photons that propagate chirally along domain walls.