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An accurate model for In0.53Ga0.47As metal-semiconductor-metal (MSM) photodetectors is presented for circuit-level simulation. Dark and dc current characteristics are investigated and modeled. To accurately simulate the large-signal response of MSM photodetectors, impulse response functions and convolution integrals are implemented into SPICE. The transit-time limitation is also incorporated into the small-signal analysis. Most circuit parameters preserve the physical meaning. S-parameter measurements are used to find the circuit parameters critical to transient and ac analyses. Results are compared with experimentally obtained data, and excellent agreement is obtained consistently on InGaAs photodetectors of different sizes
Published in:
Lightwave Technology, Journal of
(Volume:14
,
Issue:
5
)
Date of Publication: May 1996
- Page(s):
- 716 - 723
- ISSN :
- 0733-8724
- INSPEC Accession Number:
- 5287800
- Digital Object Identifier :
- 10.1109/50.495150
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- May 1996
- Sponsored by :
- IEEE Aerospace and Electronic Systems Society
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