High operating temperature n-on-p extrinsic MWIR HgCdTe photodiodes

M. Soria; P. Bleuet; F. Boulard; J.-L. Santailler; F. Marmonier; L. Bonnefond; T. Pellerin; G. Poisson; J. Rothman

doi:10.1117/12.2587706

12 April 2021 High operating temperature n-on-p extrinsic MWIR HgCdTe photodiodes

M. Soria, P. Bleuet, F. Boulard, J.-L. Santailler, F. Marmonier, L. Bonnefond, T. Pellerin, G. Poisson, J. Rothman

Proceedings Volume 11741, Infrared Technology and Applications XLVII; 117411C (2021) https://doi.org/10.1117/12.2587706
Event: SPIE Defense + Commercial Sensing, 2021, Online Only

Abstract

N-on-p extrinsically doped MWIR HgCdTe material and photodiodes have been developed to benefit from the expected reduction of the Auger generation in the p-type absorbing layer. Samples with two doping levels have been characterized using dark current, current noise, Hall effect and PhotoLuminescence Decay (PLD) measurements. The dark current and PLD measurements are consistent with a reduction of the Auger generation quantified by the ratio between the Auger 1 and 7 recombination coefficients 𝛾 around 10. The corresponding dark current in the sample with the lowest doping level was slightly higher than in typically p-on-n photodiodes. The low frequency noise, characterized by a Tobin coefficient below 10^-5, is lower than the values reported for other MWIR HgCdTe photodiodes at the same dark current density. The low dark current and dark current noise show on the high potential of such photodiodes to form focal plane array that can be operated at high operating temperature without degradation of the image quality.

Conference Presentation

Citation Download Citation

M. Soria, P. Bleuet, F. Boulard, J.-L. Santailler, F. Marmonier, L. Bonnefond, T. Pellerin, G. Poisson, and J. Rothman "High operating temperature n-on-p extrinsic MWIR HgCdTe photodiodes", Proc. SPIE 11741, Infrared Technology and Applications XLVII, 117411C (12 April 2021); https://doi.org/10.1117/12.2587706

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available