Abstract
The dependence of the plasmonic band gap on size of a one-dimensional plasmonic crystal with a rectangular cross-section has been investigated by cathodoluminescence, using a 200-keV scanning transmission electron microscope. The band edge character at points Γ and X changes in correlation with the corresponding Fourier component of the surface shape. The calculation by the rigorous coupled-wave analysis (RCWA) method reproduces well the observed size dependence of the band edge energies on terrace width and height, though some deviation in magnitude remains. The beam-scan spectral images clearly reveal symmetric and anti-symmetric characters of the standing waves of the band edge modes. The two modes at the band edges are different in the surface plasmon Polariton (SPP)-light conversion efficiency and exchange their energy positions by changing terrace width.
Sign-in/Register to access full text options 
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 callDisclaimer: 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.
