Long wave infrared detection using probabilistic spintronic bolometer arrays

Fuente: arXiv
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Autori principali: Singh, Utkarsh, Bauer, Leif, Deka, Angshuman, Mousa, Mohamed, He, Daien, Gupta, Sakshi, Prasad, Bhagwati, Jacob, Zubin
Natura: Preprint
Pubblicazione: 2025
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author Singh, Utkarsh
Bauer, Leif
Deka, Angshuman
Mousa, Mohamed
He, Daien
Gupta, Sakshi
Prasad, Bhagwati
Jacob, Zubin
author_facet Singh, Utkarsh
Bauer, Leif
Deka, Angshuman
Mousa, Mohamed
He, Daien
Gupta, Sakshi
Prasad, Bhagwati
Jacob, Zubin
contents The use of probabilistic spintronic devices for infrared radiation detection has introduced a shift in approach to thermal imaging. The integration of probabilistic magnetic tunnel junctions with infrared plasmonic nano-antennas achieves high-sensitivity digital-mode infrared sensors at room temperature. Here, we present a scalable approach towards multipixel plasmonic-spintronic bolometer array fabrication and readout. We fabricate proof-of-concept 2x2 row-column multiplexed probabilistic plasmonic sprintronic arrays and show their response to long-wave infrared radiation (8-14um) with high readout speeds (10K-1M counts per second). These spintronic, ultrafast, nanoscale (SUN) bolometers can result in novel high-pixel density CMOS compatible infrared detection platforms. Our work provides a broadband (9kHz to 3GHz) readout platform for future digital probabilistic detector applications. Furthermore, our approach addresses a key challenge associated with scaling infrared pixel sizes that can drive progress towards high pixel density detector arrays for infrared sensing and microscopy applications.
format Preprint
id arxiv_https___arxiv_org_abs_2510_06519
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Long wave infrared detection using probabilistic spintronic bolometer arrays
Singh, Utkarsh
Bauer, Leif
Deka, Angshuman
Mousa, Mohamed
He, Daien
Gupta, Sakshi
Prasad, Bhagwati
Jacob, Zubin
Instrumentation and Detectors
Optics
The use of probabilistic spintronic devices for infrared radiation detection has introduced a shift in approach to thermal imaging. The integration of probabilistic magnetic tunnel junctions with infrared plasmonic nano-antennas achieves high-sensitivity digital-mode infrared sensors at room temperature. Here, we present a scalable approach towards multipixel plasmonic-spintronic bolometer array fabrication and readout. We fabricate proof-of-concept 2x2 row-column multiplexed probabilistic plasmonic sprintronic arrays and show their response to long-wave infrared radiation (8-14um) with high readout speeds (10K-1M counts per second). These spintronic, ultrafast, nanoscale (SUN) bolometers can result in novel high-pixel density CMOS compatible infrared detection platforms. Our work provides a broadband (9kHz to 3GHz) readout platform for future digital probabilistic detector applications. Furthermore, our approach addresses a key challenge associated with scaling infrared pixel sizes that can drive progress towards high pixel density detector arrays for infrared sensing and microscopy applications.
title Long wave infrared detection using probabilistic spintronic bolometer arrays
topic Instrumentation and Detectors
Optics
url https://arxiv.org/abs/2510.06519