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Updated: May 11, 2026

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Quasi-light Storage for Optical Data Packets
Published on: February 6, 2014
A photonic analog-to-digital converter based on an unbalanced Mach-Zehnder quantizer
Chris H Sarantos1, Nadir Dagli
1Department of Electrical Engineering, University of California Santa Barbara, CA 93106, USA.
Optics Express
|July 20, 2010
Abstract:
A Mach-Zehnder modulator (MZM) based analog to digital converter (ADC) is described. The signal to be digitized is applied to a single electrode of a high speed unbalanced modulator that acts as a quantizer. The rest of the system consists of commercially available wavelength division multiplexing (WDM) components. Analysis indicates that 6 bit operation at 40 Giga Samples per second (GS/s) is possible with moderate optical carrier power.

