First-order optical coherence of photonic-dimer coherent states

Photon-photon correlations assume a pivotal significance in optical coherence. Recently, a new, to the best of our knowledge, type of quantum photonic states, the coherent state of photonic dimers, has been introduced, wherein the fundamental building blocks are two -photon bound states, instead of individual photons as in conventional lasers. In this Letter, we investigate the first -order coherence properties of the photonic-dimer coherent states, as well as the interference patterns in a double -slit interferometer setup, and compare with the coherence properties of other optical light sources, e.g., the conventional laser and the thermal light. (c) 2024 Optica Publishing Group