Experimental optomechanics with silicon micromirrors

Details Experimental optomechanics with silicon micromirrors Experimental optomechanics with silicon micromirrors

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008njph...10l5021a&link_type=abstract

New Journal of Physics, Volume 10, Issue 12, pp. 125021 (2008).

Physics

4

Scientific paper

We experimentally demonstrate the high-sensitivity optical monitoring of moving micromirrors, made of low-loss dielectric coatings upon silicon resonators of various shapes and sizes. The very high optical finesses obtained (\mathcal{F}\simeq 30\,000 ) have allowed us to measure the thermal noise of the micromirrors at room temperature with a shot-noise limited sensitivity at the 10^{-19}\,m/\sqrtHz level and to completely characterize their mechanical behavior, in excellent agreement with the results of a finite-element computation. Applications of such optomechanical systems range from quantum optics experiments to the experimental demonstration of the quantum ground state of a macroscopic mechanical resonator.

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