  Motivated by the dramatic success of realizing cavity exciton-polariton
condensation in experiment we consider the formation of polaritons from cavity
photons and the amplitude or Higgs mode of a superconductor. Enabled by the
recently predicted and observed supercurrent-induced linear coupling between
these excitations and light, we find that hybridization between Higgs
excitations in a disordered quasi-2D superconductor and resonant cavity photons
can occur, forming Higgs-polariton states. This provides the potential for a
new means to manipulate the superconducting state as well as potential for
novel photonic cavity circuit elements.
