Subradiant Bound Photon Pairs
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Related Articles from SNS
Most Subradiant Bound Photon Pairs from Chirality-Mediated Dispersion Softening
arXiv:2606.01146v1 Announce Type: cross Abstract: We study the subradiant bound states (BSs) in a two-level atom array chirally coupled to a one-dimensional waveguide. We demonstrate that the chiral interaction can drive BSs to become the most subradiant two-excitation states across a wide spacing range. This phenomenon is rooted in a mechanism of chirality-mediated dispersion softening, where the BS band distortion suppresses the band curvature $|\alpha_2|$ at an extremum point.