Transferring and bounding single photon in waveguide controlled by quantum node based on atomic ensemble

Details Transferring and bounding single photon in waveguide controlled by quantum node based on atomic ensemble Transferring and bounding single photon in waveguide controlled by quantum node based on atomic ensemble

2008-09-09

arxiv.org/abs/0809.1540v2

Physics

Quantum Physics

7 pages, 7 figures

Scientific paper

We study the scattering process of photons confined in a one dimensional optical waveguide by a laser controlled atomic ensemble. The investigation leads to an alternative setup of quantum node controlling the coherent transfer of single photon in such one dimensional continuum. To exactly solve the effective scattering equations by using the discrete coordinate approach, we simulate the linear waveguide as a coupled resonator array at the high energy limit. We generally calculate the transmission coefficients and its vanishing at resonace reflects the good controllability of our scheme. We also show that there exist two bound states to describe the localize photons around the cavity.

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