We let a set of beam splitters of vacuum mode with a chosen transmittance parameter η in interaction with a separable coherent states.This model induces the production of an attenuated quantum channels based on entan...We let a set of beam splitters of vacuum mode with a chosen transmittance parameter η in interaction with a separable coherent states.This model induces the production of an attenuated quantum channels based on entangled optical states.Indeed,the decoherence effect is exploited positively here to generate such kind of quantum channels.Next,the amplitude damping and the entanglement amount of these produced channels are enhanced thereafter by a probabilistic quasi amplification process using again a 50 : 50 beam splitter.展开更多
基金The National Natural Science Foundation of China(Nos.11247213,61368002,11304010,11264030,61168001)the China Postdoctoral Science Foundation(No.2013M531558)+3 种基金the Jiangxi Postdoctoral Research Project(No.2013KY33)the Natural Science Foundation of Jiangxi Province(No.20142BAB217001)the Foundation for Young Scientists of Jiangxi Province(Jinggang Star)(No.20122BCB23002)the Research Foundation of the Education Department of Jiangxi Province(Nos.GJJ13051,GJJ13057)
文摘We let a set of beam splitters of vacuum mode with a chosen transmittance parameter η in interaction with a separable coherent states.This model induces the production of an attenuated quantum channels based on entangled optical states.Indeed,the decoherence effect is exploited positively here to generate such kind of quantum channels.Next,the amplitude damping and the entanglement amount of these produced channels are enhanced thereafter by a probabilistic quasi amplification process using again a 50 : 50 beam splitter.
