Cavity driven by a single photon: Conditional dynamics and nonlinear phase shift

A. R. R. Carvalho, M. R. Hush, and M. R. James

Phys. Rev. A 86, 023806 – Published 3 August 2012

Abstract

We apply the stochastic master equations (quantum filter) derived by Gough et al. (Proc. 50th IEEE Conference on Decision and Control, 2011) to a system consisting of a cavity driven by a multimode single photon field. In particular, we analyse the conditional dynamics for the problem of cross phase modulation in a doubly resonant cavity. Through the exact integration of the stochastic equations, our results reveal features of the problem unavailable from previous models.

Received 22 May 2012

DOI:https://doi.org/10.1103/PhysRevA.86.023806

Authors & Affiliations

A. R. R. Carvalho¹, M. R. Hush², and M. R. James^2,3

¹ARC Centre for Quantum Computation and Communication Technology, Department of Quantum Science, Research School of Physics and Engineering, The Australian National University, Canberra, ACT 0200 Australia
²Research School of Engineering, The Australian National University, Canberra, ACT 0200 Australia
³ARC Centre for Quantum Computation and Communication Technology, The Australian National University, ACT 0200 Australia

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Issue

Vol. 86, Iss. 2 — August 2012

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