Progress towards a megapixel linear-mode avalanche photodiode array for ultra-low background shortwave infrared astronomy Article Swipe

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Charles-Antoine Claveau , Michael Bottom , Shane Jacobson , K. W. Hodapp , Guillaume Huber , M. Newland , Aidan Walk , Markus Loose , Ian Baker , Egle Zemaityte , Matthew Hicks , Keith Barnes , Richard J. Powell , Ryan Bradley , Eric J. Moore ·

YOU? · · 2024 · Open Access · · DOI: https://doi.org/10.48550/arxiv.2411.09185

Spectroscopy of Earth-like exoplanets and ultra-faint galaxies are priority science cases for the coming decades. Here, broadband source flux rates are measured in photons per square meter per hour, imposing extreme demands on detector performance, including dark currents lower than \mbox{1 e-/pixel/kilosecond}, read noise less than \mbox{1 e-/pixel/frame}, and large formats. There are currently no infrared detectors that meet these requirements. The University of Hawai'i and industrial partners are developing one promising technology, linear mode avalanche photodiodes (LmAPDs), which is on track to meet the above-mentioned requirements. We present progress towards developing a science-grade, megapixel format linear-mode avalanche photodiode array for low background shortwave (1 - 2.4 um) infrared astronomy. Our latest results show outstanding performance, with dark current \textless 1e-4 electrons/pixel/second and read noise reducing by 30\% per volt of bias, reaching less than 1e-/pixel/frame in correlated double-sampling, and able to average down to $\sim$0.3 e-/pixel/frame when using multiple non-destructive reads. We present some on-sky data as well as comment on prospects for photon number resolving capability.

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Shortwave Avalanche photodiode Infrared Optoelectronics Mode (computer interface) Physics Photodiode Optics Computer science Detector Radiative transfer Operating system

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Type: preprint
Language: en
Landing Page: http://arxiv.org/abs/2411.09185
PDF: https://arxiv.org/pdf/2411.09185
OA Status: green
Cited By: 1
Related Works: 10
OpenAlex ID: https://openalex.org/W4404450441

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DOI: https://doi.org/10.48550/arxiv.2411.09185

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Title: Progress towards a megapixel linear-mode avalanche photodiode array for ultra-low background shortwave infrared astronomy

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Language: en

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Publication year: 2024

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Publication date: 2024-11-14

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Authors: Charles-Antoine Claveau, Michael Bottom, Shane Jacobson, K. W. Hodapp, Guillaume Huber, M. Newland, Aidan Walk, Markus Loose, Ian Baker, Egle Zemaityte, Matthew Hicks, Keith Barnes, Richard J. Powell, Ryan Bradley, Eric J. Moore

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Landing page: https://arxiv.org/abs/2411.09185

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Concepts: Shortwave, Avalanche photodiode, Infrared, Optoelectronics, Mode (computer interface), Physics, Photodiode, Optics, Computer science, Detector, Radiative transfer, Operating system

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abstract_inverted_index.exoplanets	3
abstract_inverted_index.industrial	66
abstract_inverted_index.photodiode	98
abstract_inverted_index.capability.	167
abstract_inverted_index.linear-mode	96
abstract_inverted_index.outstanding	114
abstract_inverted_index.photodiodes	76
abstract_inverted_index.technology,	72
abstract_inverted_index.ultra-faint	5
abstract_inverted_index.Spectroscopy	0
abstract_inverted_index.performance,	34, 115
abstract_inverted_index.requirements.	60, 86
abstract_inverted_index.e-/pixel/frame	146
abstract_inverted_index.science-grade,	93
abstract_inverted_index.1e-/pixel/frame	135
abstract_inverted_index.above-mentioned	85
abstract_inverted_index.non-destructive	150
abstract_inverted_index.double-sampling,	138
abstract_inverted_index.e-/pixel/frame},	47
abstract_inverted_index.e-/pixel/kilosecond},	41
abstract_inverted_index.electrons/pixel/second	121
cited_by_percentile_year
countries_distinct_count	0
institutions_distinct_count	15
citation_normalized_percentile