High-speed high-resolution optically assisted analog-to-digital conversion

Henry Zmuda; Shane Hanna

doi:10.1117/12.547840

3 August 2004 High-speed high-resolution optically assisted analog-to-digital conversion

Henry Zmuda, Shane Hanna

Proceedings Volume 5435, Enabling Photonic Technologies for Aerospace Applications VI; (2004) https://doi.org/10.1117/12.547840
Event: Defense and Security, 2004, Orlando, Florida, United States

Abstract

The realization of a high-speed, high-resolution Analog-to-Digital Converted (ADC) 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. Preliminary experimental results are presented to support the theory.

Citation Download Citation

Henry Zmuda and Shane Hanna "High-speed high-resolution optically assisted analog-to-digital conversion", Proc. SPIE 5435, Enabling Photonic Technologies for Aerospace Applications VI, (3 August 2004); https://doi.org/10.1117/12.547840

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