Abstract

In a prism coupler, a surface plasmonic wave excitation mechanism, the propagating efficiency can be enhanced by employing the grating structure on the thin metal film portion. This study suggests a systematic design approach for the grating structure design using numerical optimization techniques such as the parameter and topology optimization method. The wave propagation model was solved by the finite element analysis, and the design process has been proceeded by the gradient based optimal design method. It is found that the plasmonic wave propagation efficiency is improved by adopting the irregular grating structure obtained from the suggested process.

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.