Real-Time Gapless Analog Time Frequency Analysis for Bandwidths above 20 GHz with Nanosecond Resolution

We propose a scheme for real-time, joint time-frequency analysis of arbitrary continuous optical signals. Through phase-only linear operations, we demonstrate the recovery of ns-duration transient events, 22-GHz bandwidth operation, and sub-GHz resolution. Billions of Fourier transforms per second a...

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Bibliographic Details
Published in2021 European Conference on Optical Communication (ECOC) pp. 1 - 4
Main Authors Rowe, Connor M.L., Crockett, Benjamin, Azana, Jose
Format Conference Proceeding
LanguageEnglish
Published IEEE 13.09.2021
Subjects
Bandwidth
Laser radar
Optical losses
Radar applications
Radio astronomy
Real-time systems
Time-frequency analysis
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Summary:We propose a scheme for real-time, joint time-frequency analysis of arbitrary continuous optical signals. Through phase-only linear operations, we demonstrate the recovery of ns-duration transient events, 22-GHz bandwidth operation, and sub-GHz resolution. Billions of Fourier transforms per second are computed without information loss.
DOI:10.1109/ECOC52684.2021.9606086