Definitions

1. noun

A quasiparticle that is the quantum mechanical superposition of a photon and an excitation in a material, typically an exciton or a phonon.

“Researchers studied the polaritons in the newly developed semiconductor material.”

2. noun

A theoretical concept used to describe the interaction of light with matter in certain materials.

“The polaritons in this new material have the potential to revolutionize the field of optics.”