Photothermal Self-Oscillation and Laser Cooling of Graphene Optomechanical Systems

被引：179

作者：

Barton, Robert A. ^{[1
]}

Storch, Isaac R. ^{[2
]}

Adiga, Vivekananda P. ^{[1
]}

Sakakibara, Reyu ^{[4
]}

Cipriany, Benjamin R. ^{[1
]}

Ilic, B. ^{[5
]}

Wang, Si Ping ^{[2
]}

Ong, Peijie ^{[3
]}

McEuen, Paul L. ^{[2
,6
]}

Parpia, Jeevak M. ^{[2
]}

Craighead, Harold G. ^{[1
]}

机构：

[1] Cornell Univ, Sch Appl & Engn Phys, Ithaca, NY 14853 USA

[2] Cornell Univ, Dept Phys, Ithaca, NY 14853 USA

[3] Cornell Univ, Dept Mat Sci & Engn, Ithaca, NY 14853 USA

[4] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA

[5] Cornell Univ, Cornell NanoScale Sci & Technol Facil, Ithaca, NY 14853 USA

[6] Cornell Univ, Kavli Inst Cornell Nanoscale Sci, Ithaca, NY 14853 USA

来源：

NANO LETTERS | 2012年 / 12卷 / 09期

基金：

美国国家科学基金会;

关键词：

Graphene; optomechanics; nanoelectromechanical systems (NEMS); photothermal force; laser cooling; self-oscillation; QUANTUM GROUND-STATE; SINGLE-LAYER GRAPHENE; NANOMECHANICAL RESONATORS; MECHANICAL RESONATORS; CAVITY OPTOMECHANICS; MONOLAYER GRAPHENE; ELECTRICAL READOUT; RADIATION-PRESSURE; MICROMIRROR; REGIME;

D O I：

10.1021/nl302036x

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

By virtue of their low mass and stiffness, atomically thin mechanical resonators are attractive candidates for use in optomechanics. Here, we demonstrate photothermal back-action in a graphene mechanical resonator comprising one end of a Fabry-Perot cavity. As a demonstration of the utility of this effect, we show that a continuous wave laser can be used to cool a graphene vibrational mode or to power a graphene-based tunable frequency oscillator. Owing to graphene's high thermal conductivity and optical absorption, photothermal optomechanics is efficient in graphene and could ultimately enable laser cooling to the quantum ground state or applications such as photonic signal processing.

引用

页码：4681 / 4686

页数：6

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