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Applied Physics Letters / Volume 97 / Issue 5 / LASERS, OPTICS, AND OPTOELECTRONICS

Appl. Phys. Lett. 97, 051102 (2010); http://dx.doi.org/10.1063/1.3474623 (3 pages)

Strong coupling between on chip notched ring resonator and nanoparticle

S. Wang1, K. Broderick1,2, H. Smith1, and Y. Yi3,2

1Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
2Graduate Center, CUNY, New York, New York 10016, USA
3New York University, New York, New York 10012, USA

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(Received 20 May 2010; accepted 9 July 2010; published online 2 August 2010)

We have demonstrated a new photonic structure to achieve strong optical coupling between nanoparticle and photonic molecule by utilizing a notched microring resonators. By creating a notch in the ring resonator and putting a nanoparticle inside the notch, large spectral shifts and splittings at nanometer scale can be achieved, compared to only picometer scale observed by fiber tip evanescently coupled to the surface of microsphere, thereby significantly lowered the quality factor requirement for single nanoparticle detection. The ability for sorting the type of nanoparticles due to very different mode shift and splitting behavior of dielectric and metallic nanoparticles is also emphasized.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

integrated optics, microcavities, nanoparticles, nanophotonics, optical resonators, spectral line shift

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3474623

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.
    Q. Song, H. Cao, S. T. Ho, and G. S. Solomon, Appl. Phys. Lett. 94, 061109 (2009)APPLAB000094000006061109000001.

    A. Francois and M. Himmelhausa, Appl. Phys. Lett. 92, 141107 (2008)APPLAB000092000014141107000001.

    A. Mazzei S. Gotzinger L. de S. Menezes, G. Zumofen, O. Benson, and V. Sandoghdar, Phys. Rev. Lett. 99, 173603 (2007).

    B. Koch, Y. Yi, J. Zhang, S. Znameroski, and T. Smith, Appl. Phys. Lett. 95, 201111 (2009)APPLAB000095000020201111000001.


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