Proposed Coupling of an Electron Spin in a Semiconductor Quantum Dot to a Nanosize Optical Cavity

Arka Majumdar, Per Kaer, Michal Bajcsy, Erik D. Kim, Konstantinos G. Lagoudakis, Armand Rundquist, Jelena Vučković
2013 Physical Review Letters  
We propose a scheme to efficiently couple a single quantum dot electron spin to an optical nano-cavity, which enables us to simultaneously benefit from a cavity as an efficient photonic interface, as well as to perform high fidelity (nearly 100%) spin initialization and manipulation achievable in bulk semiconductors. Moreover, the presence of the cavity speeds up the spin initialization process beyond GHz.
doi:10.1103/physrevlett.111.027402 pmid:23889441 fatcat:mvksjihs7vaujl7pfhstfyy2xm