摘要
An investigation to significantly enhance coupling to nitrogen-vacancy(NV)centers at a single-quanta level is of great interest to further explore its applications in quantum information processing(QIP).This study explores a joint scheme to further enhance NV-phonon coherent coupling with two methods working together in hybrid optomechanical systems.Both methods are mechanics-induced mode field coupling(MFC)that lead,respectively,to the modification of the spatial distribution of the optical field and the mechanical parametric amplification(MPA)realized by modulating the mechanical spring constant in time.With the joint assistance of MFC and MPA,the coherent coupling between the NV spin and one supermode of the mechanical resonators(MRs)can be further significantly enhanced with the rate∝n_(cav)e^(r).Several potential applications are also discussed in this work.With the ultimate goal to enhance the coupling to NV spin at a single-quanta level,this attempt may provide a promising spin-phonon platform to implement more active control.
基金
National Key Research and Development Program of China(2021YFA1400700)
National Natural Science Foundation of China(11774282,11774285,11822502,11875029,11974125)
China Postdoctoral Science Foundation(2021M691150)
Natural Science Foundation of Hubei Province(2020CFB748)
Natural Science Foundation of Shandong Province(ZR2021MA042,ZR2021MA078)
Research Project of Hubei Education Department(B2020078,B2020079,D20201803)
Program for Science and Technology Innovation Team in Colleges of Hubei Province(T2021012)
Doctoral Scientific Research Foundation of Hubei University of Automotive Technology(HUAT)(BK201906,BK202008,BK202113)
Open Fund of HUAT(QCCLSZK2021A07)
Foundation of Discipline Innovation Team of HUAT。
