Abstract

We report the first high-current photodiode based on slab-coupled optical waveguide concept. The device has large mode (5.8x7.6µm) and ultra-low optical confinement (gamma~0.05%), allowing 2mm absorption length. The maximum photocurrent was 250mA (R=0.8A/W) at 1.55µm.

© 2008 Optical Society of America

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