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Electromechanical control of nitrogen-vacancy defect emission using graphene NEMS
Antoine Reserbat-Plantey1, Kevin G Schädler1, Louis Gaudreau1
1ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, Castelldefels, Barcelona 08860, Spain.
Nature Communications
|January 9, 2016
Summary
Researchers developed a hybrid nano-electromechanical system (NEMS) using graphene and nitrogen-vacancy centers (NVCs) for on-chip optical field control. This breakthrough enables precise manipulation of single-photon emitters for advanced quantum technologies.
Area of Science:
- Nano-optomechanics
- Quantum optics
- Solid-state physics
Background:
- Active nanoscale optical field control remains a challenge for on-chip nano-electromechanical systems (NEMS).
- Nitrogen-vacancy centers (NVCs) in nanodiamonds are stable single-photon emitters crucial for quantum applications.
Purpose of the Study:
- To demonstrate active, on-chip control of optical fields using a hybrid NEMS.
- To explore optomechanical coupling for manipulating single-photon emitters.
Main Methods:
- Fabrication of a hybrid system with graphene NEMS suspended over NVCs.
- Utilizing electrostatic tuning to control graphene position and modulate NVC emission intensity.
- Leveraging near-field dipole-dipole interaction for optomechanical coupling.
Main Results:
- Achieved electromechanical control of NVC photon emission intensity.
- Demonstrated strong optomechanical coupling at nanoscale distances.
- Showcased the potential for selective control of emitter arrays.
Conclusions:
- This hybrid graphene NEMS offers a novel platform for nanoscale optomechanical control.
- The system paves the way for integrated quantum optomechanics and advanced optical spectroscopy.
- Enables new possibilities in optomechanical information processing.
