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Conferences > CLEO > 2007 > CTuDD > CTuDD3
  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
  • OSA Technical Digest Series (CD) (Optica Publishing Group, 2007),
  • paper CTuDD3

High Directivity Vertical Fiber-to-Chip Coupler with Anisotropically Radiating Grating Teeth

Mingyan Fan, Miloš A. Popović, and Franz X. Kärtner

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Abstract

Efficient vertical grating-coupler designs are proposed that allow near 50:1 up/down directivity using only two lithographic layers, without top/bottom mirrors, in high-index-contrast silicon waveguides. FDTD simulations predict single-mode-fiber-coupling efficiencies of 75% even for non-apodized gratings.

© 2007 Optical Society of America

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