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Hybrid photonic analog-to-digital conversion using superconducting electronics

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1 Author(s)
Currie, Marc ; Opt. Sci. Div., Naval Res. Lab., Washington, DC, USA

A hybrid analog-to-digital converter is described that uses photonic waveform sampling coupled with superconducting electronics for quantization and conversion to a binary format. The architecture scheme exploits extremely low clock jitter, amplitude stability, and a picosecond sampling aperture from the photonic system and magnetic flux quantization and high-speed digital logic in the superconducting system. The operational speed of the conversion is primarily limited by the maximum speed of the superconducting logic elements.

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Applied Superconductivity, IEEE Transactions on  (Volume:14 ,  Issue: 4 )