Coherent control of a strongly driven silicon vacancy optical transition in diamond

Yu Zhou, Abdullah Rasmita, Ke Li, Qihua Xiong, Igor Aharonovich () and Wei-bo Gao ()
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Yu Zhou: School of Physical and Mathematical Sciences, Nanyang Technological University
Abdullah Rasmita: School of Physical and Mathematical Sciences, Nanyang Technological University
Ke Li: School of Physical and Mathematical Sciences, Nanyang Technological University
Qihua Xiong: School of Physical and Mathematical Sciences, Nanyang Technological University
Igor Aharonovich: School of Mathematical and Physical Sciences, University of Technology Sydney
Wei-bo Gao: School of Physical and Mathematical Sciences, Nanyang Technological University

Nature Communications, 2017, vol. 8, issue 1, 1-7

Abstract: Abstract The ability to prepare, optically read out and coherently control single quantum states is a key requirement for quantum information processing. Optically active solid-state emitters have emerged as promising candidates with their prospects for on-chip integration as quantum nodes and sources of coherent photons connecting these nodes. Under a strongly driving resonant laser field, such quantum emitters can exhibit quantum behaviour such as Autler–Townes splitting and the Mollow triplet spectrum. Here we demonstrate coherent control of a strongly driven optical transition in silicon vacancy centre in diamond. Rapid optical detection of photons enabled the observation of time-resolved coherent Rabi oscillations and the Mollow triplet spectrum. Detection with a probing transition further confirmed Autler–Townes splitting generated by a strong laser field. The coherence time of the emitted photons is comparable to its lifetime and robust under a very strong driving field, which is promising for the generation of indistinguishable photons.

Date: 2017
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DOI: 10.1038/ncomms14451

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