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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 4 — Feb. 15, 2007
  • pp: 409–411

Observation of nanojet-induced modes with small propagation losses in chains of coupled spherical cavities

A. M. Kapitonov and V. N. Astratov  »View Author Affiliations

Optics Letters, Vol. 32, Issue 4, pp. 409-411 (2007)

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Nanojet-induced modes (NIMs) and their attenuation properties are studied in linear chains consisting of tens of touching polystyrene microspheres with sizes in the 2 10 μ m range. To couple light to NIMs we used locally excited sources of light formed by several dye-doped fluorescent microspheres from the same chain of cavities. We directly observed the formation and propagation of NIMs by means of the scattering imaging technique. By measuring attenuation at long distances from the source, we demonstrate propagation losses for NIMs as small as 0.5 dB per sphere.

© 2007 Optical Society of America

OCIS Codes
(230.3990) Optical devices : Micro-optical devices
(230.7370) Optical devices : Waveguides
(250.5300) Optoelectronics : Photonic integrated circuits
(350.3950) Other areas of optics : Micro-optics

ToC Category:
Optical Devices

Original Manuscript: August 22, 2006
Revised Manuscript: October 30, 2006
Manuscript Accepted: October 31, 2006
Published: January 26, 2007

A. M. Kapitonov and V. N. Astratov, "Observation of nanojet-induced modes with small propagation losses in chains of coupled spherical cavities," Opt. Lett. 32, 409-411 (2007)

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