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Stefan Cular ()

Publications

Compact DC Josephson Voltage Standard

Author(s)
Alain Rufenacht, Anna E. Fox, Grace E. Butler, Charles J. Burroughs, Paul D. Dresselhaus, Robert E. Schwall, Stefan Cular, Samuel P. Benz
This paper presents precision measurements with a prototype cryogen-liquid-free DC Josephson voltage standard that produces a 1 V maximum output. Its cryostat
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Patents (2018-Present)

Schematics of photonic AC-DC converter. Color represents surface temperature of the device upon applying DC voltage to the electrode.

Smart Energy Converter for Efficient Power Use

NIST Inventors
Nikolai Klimov , Stefan Cular and Joseph Hagmann
This invention introduces a photonic-based AC-DC equivalence converter that operates using temperature-controlled photonic chips. It leverages isothermal regions to regulate voltage and improve energy efficiency. The technology enables precise energy conversion with minimal loss. By utilizing
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Created October 9, 2019, Updated June 27, 2025
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