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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 9 — Apr. 26, 2010
  • pp: 8800–8805

Out of plane mode conversion and manipulation of Surface Plasmon Polariton Waves

M. Sathish Kumar, Xianji Piao, Sukmo Koo, Sunkyu Yu, and Namkyoo Park  »View Author Affiliations

Optics Express, Vol. 18, Issue 9, pp. 8800-8805 (2010)

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We propose a rigorous design method of structured gratings for out of plane mode conversion, line focusing and manipulation of Surface Plasmon Polariton (SPP) waves. Employing a blazed grating to incorporate the directionality of SPP launch, and at the same time controlling grating depth and chirp to account for the radiation loss and diffraction angle, it was possible to achieve high efficiency and flexible SPP to freespace mode conversion. Devices with advanced functionalities, such as balanced SPP power splitter, and SPP wavelength demultiplexer are demonstrated with over 75% of power efficiencies at reasonable working distances of less than several wavelengths.

© 2010 OSA

OCIS Codes
(230.1950) Optical devices : Diffraction gratings
(240.6680) Optics at surfaces : Surface plasmons
(240.3695) Optics at surfaces : Linear and nonlinear light scattering from surfaces

ToC Category:
Optics at Surfaces

Original Manuscript: March 11, 2010
Revised Manuscript: April 4, 2010
Manuscript Accepted: April 7, 2010
Published: April 12, 2010

M. Sathish Kumar, Xianji Piao, Sukmo Koo, Sunkyu Yu, and Namkyoo Park, "Out of plane mode conversion and manipulation of Surface Plasmon Polariton Waves," Opt. Express 18, 8800-8805 (2010)

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