Scattering of two photons from two distant qubits: Exact solution

Abstract

We consider the inelastic scattering of two photons from two qubits separated by an arbitrary distance $R$ and coupled to a one-dimensional transmission line. We present an exact, analytical solution to the problem, and use it to explore a particular configuration of qubits which is transparent to single-photon scattering, thus highlighting non-Markovian effects of inelastic two-photon scattering: Strong two-photon interference and momentum dependent photon (anti-)bunching. This latter effect can be seen as an inelastic generalization of the Hong--Ou--Mandel effect.

5 pages + 11 pages in the supplement, v2: published version

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• One- and Two-Photon Scattering by Two Atoms in a Waveguide
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