期刊
PHYSICAL REVIEW LETTERS
卷 117, 期 17, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.117.170801
关键词
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资金
- Engineering and Physical Sciences Research Council [EP/J015067/1]
- Defence Science and Technology Laboratory
- Royal Academy of Engineering
- Templeton World Charity Foundation
- EPSRC [EP/H001972/1, EP/N017188/1, EP/J015067/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/H001972/1, EP/J015067/1, EP/N017188/1] Funding Source: researchfish
In an optomechanical setup, the coupling between cavity and resonator can be increased by tuning them to the same frequency. We study this interaction between a carbon nanotube resonator and a radio-frequency tank circuit acting as a cavity. In this resonant regime, the vacuum optomechanical coupling is enhanced by the dc voltage coupling the cavity and the mechanical resonator. Using the cavity to detect the nanotube's motion, we observe and simulate interference between mechanical and electrical oscillations. We measure the mechanical ring down and show that further improvements to the system could enable the measurement of mechanical motion at the quantum limit.
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