Scientific Results

Electromechanical control of nitrogen-vacancy defect emission using graphene NEMS

Year: 2016

Authors: Reserbat-Plantey A., Schädler K. G., Gaudreau L., Navickaite G., Güttinger J., Chang D., Toninelli C., Bachtold A., Koppens F. H.L.

Autors Affiliation: ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, Castelldefels, Barcelona 08860, Spain; CNR-INO, Istituto Nazionale di Ottica, LENS Via Carrara 1, Sesto Fiorentino (FI) 50019, Italy; ICREA – Institucio Catalana de Recerca i Estudis Avancats, Barcelona, Spain

Abstract: Despite recent progress in nano-optomechanics, active control of optical fields at the nanoscale has not been achieved with an on-chip nano-electromechanical system (NEMS) thus far. Here we present a new type of hybrid system, consisting of an on-chip graphene NEMS suspended a few tens of nanometres above nitrogen-vacancy centres (NVCs), which are stable single-photon emitters embedded in nanodiamonds. Electromechanical control of the photons emitted by the NVC is provided by electrostatic tuning of the graphene NEMS position, which is transduced to a modulation of NVC emission intensity. The optomechanical coupling between the graphene displacement and the NVC emission is based on near-field dipole-dipole interaction. This class of optomechanical coupling increases strongly for smaller distances, making it suitable for nanoscale devices. These achievements hold promise for selective control of emitter arrays on-chip, optical spectroscopy of individual nano-objects, integrated optomechanical information processing and open new avenues towards quantum optomechanics.


Volume: 7      Pages from: 10218  to: 10218

More Information: We thank O. Arcizet, E. Bermudez-Urena, J. Bertelot, V. Bouchiat, F. Dubin, J. Moser, C. Muschik, M. Lewenstein, M. Lundeberg, J. Osmond, K. Tielrooij, I. Tsioutsios and P. Weber for discussions and help with the experiments. K.G.S. is supported by the Erasmus Mundus Doctorate Program Europhotonics (Grant No. 159224-1-2009-1-FR-ERA MUNDUS-EMJD). L.G. acknowledges financial support from Marie-Curie International Fellowship COFUND and ICFOnest programme. C.T. acknowledges support from the MIUR programme Atom-based Nanotechnology and from the Ente Cassa di Risparmio di Firenze with the project GRANCASSA. A.B. acknowledges supports by the ERC starting grant 279278 (CarbonNEMS), the Spanish MEC (MAT2012-31338) associated to FEDER and the EE Graphene Flagship (contract no. 604391). F.H.L.K. acknowledges support by Fundacio Cellex Barcelona, the ERC Career integration grant (294056, GRANOP), the ERC starting grant (307806, CarbonLight), the Government of Catalonia through the SGR grant (2014-SGR-1535), the Mineco grants Ramon y Cajal (RYC-2012-12281) and Plan Nacional (FIS2013-47161-P), and support by the EC under the Graphene Flagship (contract no. CNECT-ICT-604391).
KeyWords: graphene; mechanical resonators; energy-transfer; diamond; light
DOI: 10.1038/ncomms10218

Citations: 37
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