Yes, a photon is a type of wave. Specifically, a photon is a fundamental particle of light and other forms of electromagnetic radiation. According to the theory of quantum electrodynamics, photons are quanta of the electromagnetic field.
As a quantum of the electromagnetic field, a photon exhibits wave-like properties. It can be described by a wave function, and it propagates through space as an oscillating electromagnetic wave. The wave nature of photons is evident in phenomena such as interference and diffraction, where light waves can interact and produce characteristic patterns.
However, it's important to note that photons also exhibit particle-like behavior. They can be emitted or absorbed in discrete units of energy, and their interactions with matter can be described using particle-based models. The wave-particle duality of photons reflects the fact that they exhibit characteristics of both waves and particles, depending on the experimental context and observation.