Optics and Photonics Journal
Volume 3, Issue 2 (June 2013)
ISSN Print: 2160-8881 ISSN Online: 2160-889X
Google-based Impact Factor: 0.85 Citations
Analysis of Microdisk/Microring’s Surface Roughness Effect by Orthogonal Decomposition ()
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ABSTRACT
Application of micro-resonator is limited by different types of surface inhomogeneity. The 1-th derivative of inhomogeneity (i.e. Δrˊ(φ)) affects the wave transport as well as the height of inhomogeneity (i.e. Δrˊ(φ)). A method based on orthogonal decomposition is proposed to analysis both scattering mechanism respectively. Then surface roughness effect on Q-factor of micro-disk waveguide gallery mode (WGM) resonator is investigated with our method and the analysis fits well with FDTD simulation results.
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