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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 15 — Jul. 28, 2014
  • pp: 17890–17896

Multifunctional optical nanofiber polarization devices with 3D geometry

Jin-hui Chen, Ye Chen, Wei Luo, Jun-long Kou, Fei Xu, and Yan-qing Lu  »View Author Affiliations

Optics Express, Vol. 22, Issue 15, pp. 17890-17896 (2014)

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Here a reliable fabrication process enabling the integration of multiple functions in a single rod with one optical nano/microfiber (ONM) was proposed, which represents a further step in the “lab-on-a-rod” technology roadmap. With a unique 3D geometry, the all-fiber in-line devices based on lab-on-a-rod techniques have more freedom and potential for compactness and functionality than conventional fiber devices. With the hybrid polymer–metal–dielectric nanostructure, the coupling between the plasmonic and waveguide modes leads to hybridization of the fundamental mode and polarization-dependent loss. By functionalizing the rod surface with a nanoscale silver film and tuning the coil geometry, a broadband polarizer and single-polarization resonator, respectively, were demonstrated. The polarizer has an extinction ratio of more than 20 dB over a spectral range of 450 nm. The resonator has a Q factor of more than 78,000 with excellent suppression of polarization noise. This type of miniature single-polarization resonator is impossible to realize by conventional fabrication processes and has wide applications in fiber communication, lasing, and especially sensing.

© 2014 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2340) Fiber optics and optical communications : Fiber optics components
(130.5440) Integrated optics : Polarization-selective devices

ToC Category:
Fiber Optics

Original Manuscript: May 26, 2014
Revised Manuscript: July 9, 2014
Manuscript Accepted: July 10, 2014
Published: July 16, 2014

Jin-hui Chen, Ye Chen, Wei Luo, Jun-long Kou, Fei Xu, and Yan-qing Lu, "Multifunctional optical nanofiber polarization devices with 3D geometry," Opt. Express 22, 17890-17896 (2014)

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