Theory of Mechanical Displacement Measurement Using a Multiple Cavity Mode Transducer

被引：0
|
作者：
Dobrindt, J. M. [1 ]
Kippenberg, T. J. [1 ]
机构：
[1] Max Planck Inst Quantum Opt, D-85748 Garching, Germany
来源：
2010 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) AND QUANTUM ELECTRONICS AND LASER SCIENCE CONFERENCE (QELS) | 2010年
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present an optomechanical displacement transducer that relies on three cavity modes parametrically coupled to a mechanical oscillator and whose frequency spacing matches the mechanical resonance frequency. The additional resonances allow us to reach the standard quantum limit at a substantially lower input power (compared to the case of only one resonance), as both sensitivity and quantum backaction are enhanced. (C) 2009 Optical Society of America
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