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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 15 — Jul. 21, 2008
  • pp: 11066–11076

Whispering gallery mode spectra of channel waveguide coupled microspheres

Y. Panitchob, G.Senthil Murugan, M. N. Zervas, P. Horak, S. Berneschi, S. Pelli, G.Nunzi Conti, and J. S. Wilkinson  »View Author Affiliations


Optics Express, Vol. 16, Issue 15, pp. 11066-11076 (2008)
http://dx.doi.org/10.1364/OE.16.011066


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Abstract

Evanescent coupling of light from glass channel waveguides into the whispering gallery modes of glass microspheres of radius 15 μm and 100 μm is studied experimentally at wavelengths near 1550 nm. Fitting the positions, widths and heights of resonances in the experimental spectra to the characteristic equation for microsphere modes and to universal coupled microresonator theory, we establish sphere radius and index, identify mode numbers, and determine losses. The results provide detailed information for the design of optical devices incorporating microsphere resonators in planar lightwave circuits.

© 2008 Optical Society of America

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(140.4780) Lasers and laser optics : Optical resonators
(230.5750) Optical devices : Resonators
(230.7390) Optical devices : Waveguides, planar
(130.2755) Integrated optics : Glass waveguides
(140.3945) Lasers and laser optics : Microcavities

ToC Category:
Integrated Optics

History
Original Manuscript: May 23, 2008
Revised Manuscript: June 19, 2008
Manuscript Accepted: June 19, 2008
Published: July 9, 2008

Citation
Y. Panitchob, G. Senthil Murugan, M. N. Zervas, P. Horak, S. Berneschi, S. Pelli, G. Nunzi Conti, and J. S. Wilkinson, "Whispering gallery mode spectra of channel waveguide coupled Microspheres," Opt. Express 16, 11066-11076 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-15-11066


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References

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