DOI: 10.1063/1.357713. Noise and photoconductive gain in AlGaAs/GaAs quantum well intersubband infrared photodetectors

Noise and photoconductive gain in AlGaAs/GaAs quantum well intersubband infrared photodetectors

10.1063/1.357713

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

We reevaluate the current model of noise gain and photoconductive gain for AlGaAs/GaAs quantum well infrared photodetectors. An experimental study is carried out on samples covering different types of intersubband transitions, i.e., bound-to-continuum, bound-to-quasibound, and bound- to-bound cases. A general difference between gains measured by dark current noise and by responsivity was found for all three cases, while agreement between them was found within some ranges of bias voltages for the bound-to-quasibound and bound-to-continuum samples. The thermal noise contribution to the total white noise is explicitly modeled and discussed.

Bibliography

Xing, B., Liu, H. C., Wilson, P. H., Buchanan, M., Wasilewski, Z. R., & Simmons, J. G. (1994). Noise and photoconductive gain in AlGaAs/GaAs quantum well intersubband infrared photodetectors. Journal of Applied Physics, 76(3), 1889â1894.

Authors 6

B. Xing (first)
H. C. Liu (additional)
P. H. Wilson (additional)
M. Buchanan (additional)
Z. R. Wasilewski (additional)
J. G. Simmons (additional)

References 13 Referenced 24

{'key': '2024020213211992100_r1'}
10.1063/1.354252 / J. Appl. Phys. (1993)
{'key': '2024020213211992100_r3'}
10.1063/1.107286 / Appl. Phys. Lett. (1992)
10.1063/1.108115 / Appl. Phys. Lett. (1992)
10.1063/1.352210 / J. Appl. Phys. (1992)
10.1063/1.350618 / J. Appl. Phys. (1992)
10.1063/1.110184 / Appl. Phys. Lett. (1993)
10.1016/0749-6036(88)90180-2 / Superlatt. Microstruct. (1988)
{'key': '2024020213211992100_r10', 'first-page': '3062', 'volume': '73', 'year': '1992', 'journal-title': 'J. Appl. Phys.'} / J. Appl. Phys. (1992)
10.1063/1.109900 / Appl. Phys. Lett. (1993)
{'key': '2024020213211992100_r12'}
10.1063/1.110105 / Appl. Phys. Lett. (1993)

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 8:27 a.m.)
Deposited	1 year, 6 months ago (Feb. 2, 2024, 9:01 a.m.)
Indexed	1 year, 6 months ago (Feb. 10, 2024, 6:05 a.m.)
Issued	31 years ago (Aug. 1, 1994)
Published	31 years ago (Aug. 1, 1994)
Published Print	31 years ago (Aug. 1, 1994)

Funders 0

None

BibTeX

@article{Xing_1994, title={Noise and photoconductive gain in AlGaAs/GaAs quantum well intersubband infrared photodetectors}, volume={76}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.357713}, DOI={10.1063/1.357713}, number={3}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Xing, B. and Liu, H. C. and Wilson, P. H. and Buchanan, M. and Wasilewski, Z. R. and Simmons, J. G.}, year={1994}, month=aug, pages={1889–1894} }

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