Abstract

We study theoretically the properties of a three-photon state prepared inside a semiconductor cavity, due to the interaction between a quantum dot and an electromagnetic field, and two consecutive spontaneous parametric downconversion (SPDC) processes. Thus, we consider a scheme involving three modes of the electromagnetic field, whose frequencies are given by the SPDC processes: ω0 → ω1 + ω2 and ω2 → ω1 + ω1. Furthermore, we study the low excitation regime in which a three-photon state is accessible within the system's dynamics.

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