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The effect of diffusion on the impulse response of RCE detector

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2001
Authors
Đurić, Zoran G.
Krstajić, Predrag
Smiljanić, Miloljub
Randjelović, Danijela
Article (Published version)
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Abstract
We present a theory which demonstrates how the diffusion of photogenerated carriers affects the impulse response of a resonant-cavity enhanced photodetector (RCE). Analytic expressions for carrier densities and short-circuit current are derived. The theory indicates that diffusion introduces a significant tail in temporal response of photodetectors. The influence of diffusion rises as the absorption width decreases, and a discrepancy in bandwidth as high as 35% between our results and previous theoretical predictions is observed. Therefore, the effect should be taken into account while calculating the critical parameters of RCE photodetectors with thin absorption region.
Keywords:
Bandwidth / Diffusion / Impulse response / Quantum efficiency / Resonant-cavity-enhanced photodetector
Source:
IEEE Photonics Technology Letters, 2001, 13, 6, 620-622

DOI: 10.1109/68.924044

ISSN: 1041-1135

WoS: 000168833300028

Scopus: 2-s2.0-0035365130
[ Google Scholar ]
6
6
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/45
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Đurić, Zoran G.
AU  - Krstajić, Predrag
AU  - Smiljanić, Miloljub
AU  - Randjelović, Danijela
PY  - 2001
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/45
AB  - We present a theory which demonstrates how the diffusion of photogenerated carriers affects the impulse response of a resonant-cavity enhanced photodetector (RCE). Analytic expressions for carrier densities and short-circuit current are derived. The theory indicates that diffusion introduces a significant tail in temporal response of photodetectors. The influence of diffusion rises as the absorption width decreases, and a discrepancy in bandwidth as high as 35% between our results and previous theoretical predictions is observed. Therefore, the effect should be taken into account while calculating the critical parameters of RCE photodetectors with thin absorption region.
T2  - IEEE Photonics Technology Letters
T1  - The effect of diffusion on the impulse response of RCE detector
VL  - 13
IS  - 6
SP  - 620
EP  - 622
DO  - 10.1109/68.924044
ER  - 
@article{
author = "Đurić, Zoran G. and Krstajić, Predrag and Smiljanić, Miloljub and Randjelović, Danijela",
year = "2001",
abstract = "We present a theory which demonstrates how the diffusion of photogenerated carriers affects the impulse response of a resonant-cavity enhanced photodetector (RCE). Analytic expressions for carrier densities and short-circuit current are derived. The theory indicates that diffusion introduces a significant tail in temporal response of photodetectors. The influence of diffusion rises as the absorption width decreases, and a discrepancy in bandwidth as high as 35% between our results and previous theoretical predictions is observed. Therefore, the effect should be taken into account while calculating the critical parameters of RCE photodetectors with thin absorption region.",
journal = "IEEE Photonics Technology Letters",
title = "The effect of diffusion on the impulse response of RCE detector",
volume = "13",
number = "6",
pages = "620-622",
doi = "10.1109/68.924044"
}
Đurić, Z. G., Krstajić, P., Smiljanić, M.,& Randjelović, D.. (2001). The effect of diffusion on the impulse response of RCE detector. in IEEE Photonics Technology Letters, 13(6), 620-622.
https://doi.org/10.1109/68.924044
Đurić ZG, Krstajić P, Smiljanić M, Randjelović D. The effect of diffusion on the impulse response of RCE detector. in IEEE Photonics Technology Letters. 2001;13(6):620-622.
doi:10.1109/68.924044 .
Đurić, Zoran G., Krstajić, Predrag, Smiljanić, Miloljub, Randjelović, Danijela, "The effect of diffusion on the impulse response of RCE detector" in IEEE Photonics Technology Letters, 13, no. 6 (2001):620-622,
https://doi.org/10.1109/68.924044 . .

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