期刊
PHYSICAL REVIEW LETTERS
卷 113, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.113.027404
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资金
- Academy of Finland (CoE) [259912]
- Academy of Finland [259912]
- European Research Council [240387-NEMSQED]
- FP7 Grant [323 924 iQUOEMS]
- Academy of Finland (AKA) [259912, 259912] Funding Source: Academy of Finland (AKA)
Cavity optomechanics has served as a platform for studying the interaction between light and micromechanical motion via radiation pressure. Here we observe such phenomena with a graphene mechanical resonator coupled to an electromagnetic mode. We measure thermal motion and backaction cooling in a bilayer graphene resonator coupled to a microwave on-chip cavity. We detect the lowest flexural mode at 24 MHz down to 60 mK, corresponding to 50 +/- 6 mechanical quanta, which represents a phonon occupation that is nearly 3 orders of magnitude lower than that which has been recorded to date with graphene resonators.
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