Abstract
Coherent photon coupling and disorder effects in chains of coupled resonators are studied both theoretically and experimentally, aiming at applications in the visible spectral range. Coupling effects have been explored utilizing the Bloch-mode formation in linear structures of quantum dot doped microsphere resonators. Coherent coupling in chains of 14 resonators is evidenced experimentally by spectrally and spatially resolved mode spectroscopy. Realizing a coupling constant of $\ensuremath{\kappa}=1.1\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}3}$ ensures spectral distinction of the collective resonances. Experimentally, a slowing factor of $S=31$ is derived for the group velocity of light. A coupled oscillator model for arbitrarily disordered chains of coupled resonator delay lines is presented. The transition between order and disorder effects is investigated with a formalism combining Bloch-mode formation with mutual anticrossing relations.
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