Comments on the two-photon interferometry

TL;DR

This paper provides a clear, primitive formulation of two-photon interferometry, deriving explicit interference patterns and analyzing how they depend on different quantum photon states.

Contribution

It offers a straightforward, accurate description of two-photon interferometry and elucidates the influence of input photon states on interference patterns.

Findings

Explicit interference patterns derived for various photon states

Demonstrates dependence of interference on quantum input states

Provides a foundational understanding of quantum optical interferometry

Abstract

In this article we try to describe the physics of a standard optical interferometer fed by "quantum" photons in terms of primitive, nevertheless accurate formulation. We derive explicit interferene patterns and show how they vary depending on the input photon state.