We propose silicon waveguide-coupled octagonal microresonators with directional coupling to single modes. Numerical simulations suggest that the k-vectors in waveguide-coupled large-sized octagonal microstructures are directional. Experiments demonstrate two modes from a waveguide-coupled 50-µm-size octagonal microresonator.
© 2006 Optical Society of America
C. Li and A. W. Poon, "Silicon Waveguide-Coupled Octagonal Microresonators with Directional Coupling to Single Modes," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CTuCC2.
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