Inductive bandwidth enhancement of sub-μm InAlAs-InGaAs MSM photodetectors
- 1 April 1995
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 7 (4) , 421-423
- https://doi.org/10.1109/68.376822
Abstract
We report on the inductive bandwidth enhancement of InGaAs metal-semiconductor-metal photodetectors with finger spacings in the sub-/spl mu/m range. For optimized circuit design, the calculated frequency response predicts an improvement of the 3-dB bandwidth by more than a factor of two. A first implementation using InAlAs-InGaAs:Fe MSM detectors with 0.7-/spl mu/m finger spacing results in a 28-GHz bandwidth demonstrating the feasibility of the approach.Keywords
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