Cutoff frequency and responsivity limitation of AlInAs/GaInAs MSM PD using a two dimensional bipolar physical model

Using a 2-D bipolar physical model we highlight the main parameters that govern the long-wavelength MSM PD performance (cutoff frequency and responsivity). This covers applied potential, electrode spacing, absorbing layer thickness, and heterojunction effect. We also report that using a backside ill...

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Bibliographic Details
Published in:IEEE transactions on electron devices 1995-02, Vol.42 (2), p.231-238
Main Authors: Ashour, I.S., El Kadi, H., Sherif, K., Vilcot, J.-P., Decoster, D.
Format: Article
Language:English
Subjects:
Analytical models
Applied sciences
Bandwidth
Cutoff frequency
Electrodes
Electronics
Exact sciences and technology
Heterojunctions
Indium gallium arsenide
Lighting
Optical fiber communication
Optoelectronic devices
Photodiodes
Poisson equations
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
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Summary:Using a 2-D bipolar physical model we highlight the main parameters that govern the long-wavelength MSM PD performance (cutoff frequency and responsivity). This covers applied potential, electrode spacing, absorbing layer thickness, and heterojunction effect. We also report that using a backside illumination technique and a thin absorbing layer we can reach a cutoff frequency as high as 65 GHz with a responsivity of 0.2 A/W.< >
ISSN:0018-9383
1557-9646
DOI:10.1109/16.370075