Topology optimization of grating couplers for the efficient excitation of surface plasmons
JOSA B, Vol. 27, Issue 9, pp. 1828-1832 (2010)
http://dx.doi.org/10.1364/JOSAB.27.001828
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Abstract
We propose a methodology for a systematic design of grating couplers for efficient excitation of surface plasmons at metal–dielectric interfaces. The methodology is based on a two-dimensional topology optimization formulation based on the H-polarized scalar Helmholtz equation and finite-element method simulations. The efficiency of the method is demonstrated by optimized designs for input and output grating couplers for an
© 2010 Optical Society of America
OCIS Codes
(050.1590) Diffraction and gratings : Chirping
(050.2770) Diffraction and gratings : Gratings
(240.6680) Optics at surfaces : Surface plasmons
ToC Category:
Diffraction and Gratings
History
Original Manuscript: June 15, 2010
Manuscript Accepted: June 26, 2010
Published: August 18, 2010
Citation
Jacob Andkjær, Shinji Nishiwaki, Tsuyoshi Nomura, and Ole Sigmund, "Topology optimization of grating couplers for the efficient excitation of surface plasmons," J. Opt. Soc. Am. B 27, 1828-1832 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-9-1828
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