Suppression of Spontaneous Phonon Processes in Single Defect Centers in Diamond using Phononic Crystals
Kazuhiro Kuruma (University of Tokyo, Harvard University)
Benjamin Pingault (Harvard University, TU Delft - QuTech Advanced Research Centre, TU Delft - QID/Taminiau Lab)
Cleaven Chia (Harvard University)
Michael Haas (Harvard University)
Graham D. Joe (Harvard University)
Daniel Rimoli Assumpcao (Harvard University)
Sophie Weiyi Ding (Harvard University)
Chang Jin (Harvard University)
C. J. Xin (Harvard University)
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Abstract
We engineer the interaction between phonons and single silicon-vacancy centers using phononic crystals with a complete bandgap spanning 50-70 GHz. We observe a 18-fold extension of single color center's orbital lifetime in the phononic bandgap.