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An optoelectronic coupling for pulse-driven Josephson junction arrays.

Ireland, J; Henderson, D; Williams, J M; Kieler, O*; Kohlmann, J*; Behr, R*; Gran, J*; Malmbekk, H*; Lind, K*; Chi Kwong Tang*, (2014) An optoelectronic coupling for pulse-driven Josephson junction arrays. In: 29th Conference on Precision Electromagnetic Measurements (CPEM 2014), 24-29 August 2014, Rio de Janeiro, Brazil.

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The optoelectronic coupling for a pulse-driven Josephson junction array (JJA) for use as a quantum voltage synthesizer has been designed. This system uses optoelectronic components to drive a group of JJAs in parallel. Since the drive system is electrically isolated from the JJAs, they can be connected in series, leading to a higher output voltage. A thin film circuit, including interdigitated capacitors to couple a photodiode to the JJAs has been designed and tested and shown to meet the design goals.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Keywords: Measurement, metrology, voltage measurement, Josephson arrays, opto-electronics, Josephson arbitrary waveform synthesizer
Subjects: Electromagnetics
Electromagnetics > Electrical Quantum Standards
Identification number/DOI: 10.1109/CPEM.2014.6898290
Last Modified: 02 Feb 2018 13:13
URI: http://eprintspublications.npl.co.uk/id/eprint/6401

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