Characteristics of a stick waveguide resonator in a two-dimensional photonic crystal slab
- 15 January 2004
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 95 (2), 411-416
- https://doi.org/10.1063/1.1633645
Abstract
Optical loss and polarization characteristics of the photonic crystal stick waveguide resonator modes were investigated using both theory and experiment. A stick waveguide resonator with 12 missing air holes was found to have a very high mode originating from the lossless guided mode below the light line. Photoluminescence spectra show sharp resonance peaks at regular intervals in k space, satisfying the resonant condition. Linear polarizations parallel or perpendicular to the waveguide were observed, depending on the mode symmetry. This polarization selection is explained in terms of the far-field cancellation effect of the in-plane field components.
Keywords
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