24 March 2008 A photonic recirculating delay line for analog-to-digital conversion and other applications
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Abstract
Experimental results for a photonic recirculating delay line for high-speed, high-resolution Analog-to-Digital Converted (ADC) and other applications is presented. The approach modifies an analog fiber optic link with a recirculating optical loop as a means to store a time-limited microwave signal so that it may be digitized by using a slower, conventional electronic ADC. Detailed analytical analysis of the dynamic range and noise figure shows that under appropriate conditions the microwave signal degradation is sufficiently small so as to allow the digitization of a multi-gigahertz signal with a resolution greater than 10 effective bits. Experimental results provided support the theory.
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Henry Zmuda, Henry Zmuda, Michael Fanto, Michael Fanto, Thomas McEwen, Thomas McEwen, Jared Pawloski, Jared Pawloski, Kristina Norelli, Kristina Norelli, } "A photonic recirculating delay line for analog-to-digital conversion and other applications", Proc. SPIE 6975, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications IV, 69750F (24 March 2008); doi: 10.1117/12.783962; https://doi.org/10.1117/12.783962
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