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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 5 — May. 1, 2012
  • pp: 891–895

Mode field distribution of optical transmission along microfiber affected by CNT films with complex refraction index

Baicheng Yao, Yu Wu, Lan Jia, Yunjiang Rao, Yuan Gong, and Chenying Jiang  »View Author Affiliations


JOSA B, Vol. 29, Issue 5, pp. 891-895 (2012)
http://dx.doi.org/10.1364/JOSAB.29.000891


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Abstract

Subwavelength diameter microfiber with carbon nanotube (CNT) cladding attracts wide attention for its significant effect on evanescent coupling and interaction. In this paper, the physical mechanism and spatial expression of the light field near CNT coated microfiber are analyzed by the electromagnetic calculation and mode field analysis experiments. The simulated and experimental results demonstrate that light field distribution along the CNT coated microfiber shows the resonant modes with intensity attenuation locating at 0 μm , 1.7 μm, 3.3 μm at the direction of core radius. The investigation about interaction between evanescent wave and CNT films will inspire the future application of CNT films and microfiber based lasers, all-optical switches, wavelength converters, sensors, and other integrated functional photonic devices.

© 2012 Optical Society of America

OCIS Codes
(310.2790) Thin films : Guided waves
(310.6860) Thin films : Thin films, optical properties

ToC Category:
Thin Films

History
Original Manuscript: October 13, 2011
Revised Manuscript: December 12, 2011
Manuscript Accepted: December 22, 2011
Published: April 4, 2012

Citation
Baicheng Yao, Yu Wu, Lan Jia, Yunjiang Rao, Yuan Gong, and Chenying Jiang, "Mode field distribution of optical transmission along microfiber affected by CNT films with complex refraction index," J. Opt. Soc. Am. B 29, 891-895 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-5-891


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