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Breaking the Scaling Limits: New Ultralow-noise Superconducting Camera for Exoplanet Searches [1]

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Date: 2024-05

SNSPD cameras can also be used on Earth to detect optical communication signals from missions in deep space. In fact, NASA is currently demonstrating this capability via the Deep Space Optical Communications (DSOC) project, which is the first demonstration of free-space optical communication from interplanetary space. DSOC is sending data from a spacecraft called Psyche—which was launched on October 13 and is on its way to the Psyche asteroid—to an SNSPD-based ground terminal at Palomar Observatory. Optical links can transmit data at a much higher rate than radio frequency links from interplanetary distances. The excellent timing resolution of the camera developed for the ground station receiving Psyche data allows it to decode optical data from the spacecraft, which enables much more data to be received in a given time than if radio signals were employed.

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[1] Url: https://science.nasa.gov/science-research/astrophysics/breaking-the-scaling-limits-new-ultralow-noise-superconducting-camera-for-exoplanet-searches/

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