Berlin 2015 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 7: Transport: Quantum coherence and quantum information systems - Theory (TT with HL)

HL 7.8: Talk

Monday, March 16, 2015, 11:30–11:45, H 3005

Scattering of two photons from two distant qubits: exact solution — Matti Laakso and •Mikhail Pletyukhov — Institute for Theory of Statistical Physics, RWTH Aachen, 52056 Aachen

We consider the inelastic scattering of two photons from two qubits separated by an arbitrary distance 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.