On the measurement of intensity correlations from laboratory and astronomical sources with SPADs and SNSPDs
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Berggren_On the measurement.pdf
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Author(s)
Schroeder, Edward
Mauskopf, Philip
Pilyavsky, Genady
Sinclair, Adrian
Bryan, Sean
Mani, Hamdi
Morozov, Dmitry
Smirnov, Konstantin
Vakhtomin, Yuriy
Smith, Nathan B.
Date Issued
August 2016
Journal
Proceedings of SPIE--the Society of Photo-Optical Instrumentation Engineers
Publisher
SPIE
Citation
Schroeder, Edward, Philip Mauskopf, Genady Pilyavsky, Adrian Sinclair, Nathan Smith, Sean Bryan, Hamdi Mani, et al. “On the Measurement of Intensity Correlations from Laboratory and Astronomical Sources with SPADs and SNSPDs.” Edited by Fabien Malbet, Michelle J. Creech-Eakman, and Peter G. Tuthill. Optical and Infrared Interferometry and Imaging V (August 4, 2016).
Version
Final published version
Abstract
We describe the performance of detector modules containing silicon single photon avalanche photodiodes (SPADs) and superconducting nanowire single photon detectors (SNSPDs) to be used for intensity interferometry. The SPADs are mounted in fiber-coupled and free-space coupled packages. The SNSPDs are mounted in a small liquid helium cryostat coupled to single mode fiber optic cables which pass through a hermetic feed-through. The detectors are read out with microwave amplifiers and FPGA-based coincidence electronics. We present progress on measurements of intensity correlations from incoherent sources including gas-discharge lamps and stars with these detectors. From the measured laboratory performance of the correlation system, we estimate the sensitivity to intensity correlations from stars using commercial telescopes and larger existing research telescopes. © (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1117/12.2233536
