An integrated, crystalline organic waveguide-coupled InGaAs photodetector
- 1 March 1997
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 9 (3) , 365-367
- https://doi.org/10.1109/68.556075
Abstract
We describe a novel, integrated organic-inorganic waveguide/photodetector with an internal quantum efficiency of (53/spl plusmn/15%). Low-loss (2.7/spl plusmn/0.3 dB/cm at /spl lambda/=1.064 /spl mu/m for 10-/spl mu/m wide waveguides) crystalline organic waveguides are grown directly onto the pre-processed InGaAs photodetector by organic molecular beam deposition (OMBD) without affecting either the dark current or capacitance of the photodiode. The polarization-preserving nature of the waveguides suggests that a patterned substrate significantly influences the organic molecular orientation during vacuum deposition.Keywords
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