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- Title
MODAL CHARACTERISTICS OF PLASMONIC NANOSTRIP WAVEGUIDES AND THEIR USE FOR FUNCTIONAL DEVICES.
- Authors
LEE, HYUN-SHIK; SONG, JUN-HWA; O, BEOM HOAN; LEE, SEOUNG GOL; LEE, EL-HANG
- Abstract
Modal characteristics of plasmonic nanostrip waveguides (PNWGs) have been analyzed for their use in the design of functional plasmonic devices. Also, the beat lengths of the plasmonic nanostrip directional coupler and the multimode interference (MMI) coupler, have been analyzed. We found a peculiar phenomenon in the direction coupler, which makes the coupling length zero and does not allow the optical coupling between two parallel PNWGs. We also found that there exists a minimal beat length in the gap between the two metal films in the MMI coupler. From these results a nano-ring resonator switch and a MMI wavelength splitter were designed.
- Subjects
MODAL analysis; PLASMONS (Physics); NANOSTRUCTURED materials; OPTICAL waveguides; OPTICAL interference; DIRECTIONAL couplers; ELECTRIC resonators
- Publication
Journal of Nonlinear Optical Physics & Materials, 2010, Vol 19, Issue 4, p551
- ISSN
0218-8635
- Publication type
Article
- DOI
10.1142/S0218863510005455