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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 12 — Jun. 15, 2014
  • pp: 3488–3491

Photonic-to-plasmonic mode converter

Argishti Melikyan, Manfred Kohl, Martin Sommer, Christian Koos, Wolfgang Freude, and Juerg Leuthold  »View Author Affiliations

Optics Letters, Vol. 39, Issue 12, pp. 3488-3491 (2014)

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A novel photonic-to-plasmonic mode converter for efficiently converting a silicon strip waveguide mode to a gap surface plasmon polariton (SPP) of a metallic slot structure is proposed. A conversion efficiency of more than 85% is found for metallic slots with a slot size of 30–50 nm. Calculations show that high conversion efficiencies can be achieved for various cladding materials with refractive indices of 1.44, 1.6, and 1.7. The optical 1 dB bandwidth of the converter is around 200 nm. The proposed mode converter shows a good tolerance with respect to fabrication errors, and it requires a simple fabrication procedure only.

© 2014 Optical Society of America

OCIS Codes
(230.2090) Optical devices : Electro-optical devices
(250.5403) Optoelectronics : Plasmonics
(250.4110) Optoelectronics : Modulators

ToC Category:
Optical Devices

Original Manuscript: March 5, 2014
Revised Manuscript: May 4, 2014
Manuscript Accepted: May 5, 2014
Published: June 6, 2014

Argishti Melikyan, Manfred Kohl, Martin Sommer, Christian Koos, Wolfgang Freude, and Juerg Leuthold, "Photonic-to-plasmonic mode converter," Opt. Lett. 39, 3488-3491 (2014)

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