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Single Photon Transmission Properties In A One-dimensional Coupled Cavity Array

Posted on:2019-01-14Degree:MasterType:Thesis
Country:ChinaCandidate:Y Q ShiFull Text:PDF
GTID:2370330569489678Subject:physics
Abstract/Summary:PDF Full Text Request
As the coupling and manufacturing high quality factor micro cavity array coupling in the development of technology,one-dimensional coupled cavity array has become a indispensable simulation tool in quantum optics.Dipole-dipole interaction of diatomic system research for a number of atomic system provides a theoretical basis for further research.In recent years,the cold atomic physics and high precision control of atomic technology development,the study of dipole-dipole interaction between atoms laid the foundation.In a one-dimensional coupled cavity array control single photon transport of theoretical and experimental study,it was found that the coupling cavity array coupling dipole-dipole interaction two atoms can be used to realize quantum manipulation of photon transport.In addition,some people in the one-dimensional coupled cavity array coupled to control single photon transport a mirror.But so far no one has the combination of these two approaches to control the one-dimensional coupled cavity single photon transport in the array.In addition,we not consider each other and the environment,on the one-dimensional coupled cavity array single photon transport in the study,but the interaction between system and environment is inevitable real system interact with the environment is inevitable.Therefore,we research these two problems in detail.In this paper,we discussed two different models.we put forward the additional one-dimensional coupled cavity of the mirror array using the atomic dipole-dipole interaction control to the single photon transport scheme.Analytical solutions of the model of single photon transport reflectance,transmittance and the corresponding equivalent potential expression are obtained.And the dipole-dipole interaction of atoms and the coupling of the mirror to the influence of photon transport are discussed in detail.The results show that the dipole-dipole interaction the wave vector control reflectivity and transmissivity of range wide;And more importantly the coupling strength between cavity and the mirrors the and the dipole-dipole interaction between competition can make the reflectivity and transmissivity of single photon transport increase/decrease;To regulate the reflectivity and transmissivity of single photon transport provides more control parameters.In the fifth chapter,we based on quasi boson method resolution to solve the environment under the action of a one-dimensional array coupled cavity coupling a quantized cavity field driven cascade three-level atomic system in single photon transport of reflectance,transmittance and the expressions of the corresponding equivalent potential,and discussed in detail the dissipative case control parameters on the influence of single photon transport.Research results show that: in the experimental range choosing appropriate parameters,the atomic dissipation can reduce the peak reflectivity and the cavity,but atomic dissipation affect reflectivity is bigger,the same parameter selection under the condition of the peak reflectivity decreases more significantly;More importantly in the environment under the action of the system,adjusting the mismatch between the atoms and cavity field and driving the quantized cavity photon number still can make the single photon to achieve total reflection.
Keywords/Search Tags:dipole-dipole interaction, coupled cavity of the mirror, single photon transport, quasi boson method
PDF Full Text Request
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