Large-Format, Fast SNSPD Cameras Benchmarked with Neutral Atom Arrays

This project aims to advance photon-counting imaging with large superconducting nanowire single-photon detector (SNSPD) arrays, targeting time-resolved single-photon imaging. I will develop a fast imaging array with readout electronics and real-time data processing to count billions of photons per second. By benchmarking with neutral atom arrays, this work will drive innovations in imaging photon detector scalability, counting speed, and infrared sensitivity for imaging applications that exceed the capabilities of conventional silicon detectors. I will develop SNSPD arrays integrated with multiplexed readout buses, a high-speed architecture designed for large-scale photon detection. Initial testing will involve a prototype 8x8 SNSPD array with multiplexed readout to evaluate device performance under high-photon-count conditions. This phase will assess performance limitations and failure modes to inform further scaling efforts. Following this, a subsequent larger-scale device will be fabricated to achieve per-pixel count rates of 1 million photons per second and integrated into a mobile cryogenic system. This system will be utilized for imaging a 6,1000 neutral atom tweezer array, validating the SNSPD array's capabilities for real-time atomic fluorescence detection. Additionally, demonstrations of repeated imaging will investigate quantum computing error correction and validate the overall imaging and processing performance. The development of large-format, fast SNSPD arrays aligns with NASA's requirements for deep space optical communication and exoplanet imaging. These arrays promise unprecedented speed and sensitivity, crucial for high data transfer rates in communication. By realizing an imager with sensitivity at 852 nm and a high pixel fill factor, this work also supports NASA's broader technology objectives for exoplanet science.

This is a mature technology (TRL 7+) — the realistic path in is usually NASA's Technology Transfer Program: licensing an existing NASA patent, or a Space Act Agreement to use NASA facilities/expertise directly. NASA also runs a startup licensing program with no upfront fee for companies formed to commercialize a specific NASA technology.

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