A photonic analog-to-digital converter based on an unbalanced Mach-Zehnder quantizer

Optics Express
Chris H Sarantos, Nadir Dagli

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.

References

May 26, 2009·Optics Express·Qingwei WuMinyu Yao
May 1, 1980·Applied Optics·E A Marcatili

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