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
S. M. Madison, J. J. Plant, D. C. Oakley, D. C. Chapman, A. Napoleone, and P. W. Juodawlkis, "Slab-Coupled Optical Waveguide Photodiode," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper CWF4.
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