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Applied Physics Letters / Volume 96 / Issue 22 / LASERS, OPTICS, AND OPTOELECTRONICS

Appl. Phys. Lett. 96, 221101 (2010); http://dx.doi.org/10.1063/1.3435480 (3 pages)

Scatterer induced mode splitting in poly(dimethylsiloxane) coated microresonators

Lina He, Sahin Kaya Ozdemir, Jiangang Zhu, and Lan Yang

Department of Electrical and Systems Engineering, Washington University, St. Louis, Missouri 63130, USA

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(Received 18 March 2010; accepted 4 May 2010; published online 1 June 2010)

We investigate scatterer induced mode splitting in a composite microtoroidal resonator (Q ∼ 106) fabricated by coating a silica microtoroid (Q ∼ 107) with a thin poly(dimethylsiloxane) layer. We show that the two split modes in both coated and uncoated silica microtoroids respond in the same way to the changes in the environmental temperature. This provides a self-referencing scheme which is robust to temperature perturbations. Together with the versatile functionalities of polymer materials, mode splitting in polymer and polymer coated microresonators offers an attractive sensing platform that is robust to thermal noise.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

coatings, light scattering, micromechanical resonators, polymers

PACS

  • 68.55.-a

    Thin film structure and morphology

  • 85.85.+j

    Micro- and nano-electromechanical systems (MEMS/NEMS) and devices

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3435480

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    T. Grossmann, M. Hauser, T. Beck, C. Gohn-Kreuz, M. Karl, H. Kalt, C. Vannahme, and T. Mappes, Appl. Phys. Lett. 96, 013303 (2010)APPLAB000096000001013303000001.

    C. -H. Dong, L. He, Y. -F. Xiao, V. R. Gaddam, S. K. Ozdemir, Z. -F. Han, G. -C. Guo, and L. Yang, Appl. Phys. Lett. 94, 231119 (2009)APPLAB000094000023231119000001.

    L. He, Y. -F. Xiao, C. Dong, J. Zhu, V. Gaddam, and L. Yang, Appl. Phys. Lett. 93, 201102 (2008)APPLAB000093000020201102000001.

    S. Ashkenazi, C. -Y. Chao, L. J. Guo, and M. O'Donnell, Appl. Phys. Lett. 85, 5418 (2004)APPLAB000085000022005418000001.

    O. Gaathon, J. Culic-Viskota, M. Mihnev, I. Teraoka, and S. Arnold, Appl. Phys. Lett. 89, 223901 (2006)APPLAB000089000022223901000001.


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