Broadband plasmonic couplers for light trapping and waveguiding

F. Djidjeli; E. Jaberansary; H. M. H. Chong; D. M. Bagnall

doi:10.1117/12.854425

10 May 2010 Broadband plasmonic couplers for light trapping and waveguiding

F. Djidjeli, E. Jaberansary, H. M. H. Chong, D. M. Bagnall

Proceedings Volume 7712, Nanophotonics III; 77122R (2010) https://doi.org/10.1117/12.854425
Event: SPIE Photonics Europe, 2010, Brussels, Belgium

Abstract

We have experimentally and theoretically demonstrated plasmonic couplers based on metal nanoparticles film (metal islands) deposited upon the optical dielectric waveguide. These nanoparticles forward scatter radiation into the optical waveguide that would otherwise be reflected and transmitted. Design, fabrication and optimisation of the plasmonic silver islands and tantalum pentoxide waveguide are reported. Broadband characteristics of light transmission showing plasmons excitation have been measured and in good agreement with simulated results from 400 nm to 800 nm. Coupling spectrum up to 15% is measured for the plasmonic coupler and in good agreement with the simulated results.

Citation Download Citation

F. Djidjeli, E. Jaberansary, H. M. H. Chong, and D. M. Bagnall "Broadband plasmonic couplers for light trapping and waveguiding", Proc. SPIE 7712, Nanophotonics III, 77122R (10 May 2010); https://doi.org/10.1117/12.854425

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