Quantum transistor realized with a single Λ-level atom coupled to the microtoroidal cavity

Davit Aghamalyan, Jia-Bin You, Hong-Son Chu, Ching Eng Png, Leonid Krivitsky, and Leong Chuan Kwek 1, 5 Centre for Quantum Technologies, National University of Singapore, 3 Science Drive 2, Singapore 117543 Institute of High Performance Computing, Agency for Science, Technology and Research (A*STAR), 1 Fusionopolis Way, #16-16 Connexis, Singapore 138632 Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR) 138634, Singapore MajuLab, CNRS-UNS-NUS-NTU International Joint Research Unit, UMI 3654, Singapore National Institute of Education and Institute of Advanced Studies, Nanyang Technological University, 1 Nanyang Walk, Singapore 637616