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A High Dynamic-Range Photon-Counting Receiver for Deep Space Optical Communication

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dc.contributor.author Rogalin, Ryan
dc.contributor.author Grigorian, Edwin
dc.contributor.author Cho, Daniel
dc.contributor.author Tsao, Philip
dc.contributor.author Richard, Nathaniel
dc.contributor.author Cheng, Michael
dc.contributor.author Echternach, Juliana
dc.contributor.author Okino, Clayton
dc.contributor.author Tkacenko, Andre
dc.contributor.author Towfic, Zaid
dc.contributor.author Xie, Hua
dc.contributor.author Srinivasan, Meera
dc.date.accessioned 2022-03-16T02:52:15Z
dc.date.available 2022-03-16T02:52:15Z
dc.date.issued 2021-03-06
dc.identifier.citation SPIE Photonics & Quantum West 2021, Long Beach, California, March 6-11, 2021
dc.identifier.clearanceno CL#21-0792
dc.identifier.uri http://hdl.handle.net/2014/54428
dc.description.abstract The Deep Space Optical Communication (DSOC) project will demonstrate free-space optical communication at almost 3 AU, or 3 orders of magnitude further than any previous attempt. DSOC will utilize the 5m Palomar Hale Telescope to receive the downlink signal, which will couple the downlink light onto an optical table and into a superconducting nanowire single photon detector (SNSPD). The output of the SNSPD is digitized by the Ground Laser Receiver Signal Processing Assembly (GSPA) using a high throughput streaming time to digital converter (TDC). The GSPA is a scalable FPGA-based receiver which demodulates and decodes the DSOC downlink signal through novel signal processing algorithms implemented on Xilinx UltraScale+ FPGAs, as well as Python-based software monitor and control routines. Exploiting the unique TDC-based architecture, the GSPA supports over four orders of magnitude of downlink data rates across multiple orders of magnitude of signal and background powers. In this paper we present an overview of the hardware, firmware and software architectures to implement this system, as well as performance analysis for links ranging from near-Earth to 2.8 AU.
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US
dc.publisher Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2021
dc.title A High Dynamic-Range Photon-Counting Receiver for Deep Space Optical Communication
dc.type Preprint


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