Thermal and flicker noise improvement in short-channel CMOS detectors

Johan Venter; Saurabh Sinha

doi:10.1117/12.2064735

23 June 2014 Thermal and flicker noise improvement in short-channel CMOS detectors

Johan Venter, Saurabh Sinha

Proceedings Volume 9257, Sensors, MEMS and Electro-Optical Systems; 92570Q (2014) https://doi.org/10.1117/12.2064735
Event: Third Conference on Sensors, MEMS and Electro-Optic Systems, 2014, Skukuza, Kruger National Park, South Africa

Abstract

Integrated circuit (IC) technology has emerged as a suitable platform for infrared (IR) detector development. This technology is however susceptible to on-chip intrinsic noise. By using double-gate MOSFETs for detectors in the near-IR band, noise performance in the readout circuitry is improved, thereby enhancing the overall performance of these detectors. A 1 dB reduction in low-frequency noise is achieved, which is verified through simulations. It is shown that by using short-channel devices that noise improvement is furthermore obtained due to reduction in threshold voltage variation. The double-gate concept is applied in simulation to the three-transistor pixel topology and can also be implemented in other detector topologies such as the four-transistor pixel topology, since readout noise is not limited to specific IR detector topologies. The overall performance of near-IR detectors and the fill factor are significantly improved.

Citation Download Citation

Johan Venter and Saurabh Sinha "Thermal and flicker noise improvement in short-channel CMOS detectors", Proc. SPIE 9257, Sensors, MEMS and Electro-Optical Systems, 92570Q (23 June 2014); https://doi.org/10.1117/12.2064735

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