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On the response of a two-level system to two-photon inputs

Abstract : The purpose of this paper is to study the interaction between a two-level system (qubit) and two continuous-mode photons. Two scenarios are investigated: Case 1, how a two-level system changes the pulse shapes of two input photons propagating in a single input channel; and Case 2, how a two-level system responds to two counterpropagating photons, one in each input channel. The steady-state output field states for both cases are derived analytically in both the time and frequency domains. Numerical simulations demonstrate rich and interesting two-photon scattering phenomena induced by a two-level system.
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https://hal.archives-ouvertes.fr/hal-02374498
Contributor : Nina H. Amini <>
Submitted on : Thursday, November 21, 2019 - 3:11:47 PM
Last modification on : Saturday, May 1, 2021 - 3:48:43 AM

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Zhiyuan Dong, Guofeng Zhang, Nina Amini. On the response of a two-level system to two-photon inputs. SIAM Journal on Control and Optimization, Society for Industrial and Applied Mathematics, 2019, 57 (5), pp.3445-3470. ⟨10.1137/18M1210770⟩. ⟨hal-02374498⟩

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