| Zugriffsnummer | 40145 |
| Dokumenttyp | Konferenzartikel |
| Peer Review | unbekannt |
| Sprache | Englisch |
| Titel | Josephson arbitrary waveform system with optoelectronic drive |
| Autor(in); Institution |
Ireland, Jane; National Physical Laboratory (NPL), Teddington, UK
Williams, Jonathan M.; National Physical Laboratory (NPL), Teddington, UK
Bardalen, Eivind; University College of Southeast Norway, Department of Micro Systems, Horten, NORWAY
Nguen, Hoang Vu; University College of Southeast Norway, Department of Micro Systems, Horten, NORWAY
Ohlckers, Per; University College of Southeast Norway, Department of Micro Systems, Horten, NORWAY
Kieler, Oliver; 2.4, Quantenelektronik, PTB-Braunschweig
Kohlmann, Johannes; 2.4, Quantenelektronik, PTB-Braunschweig
Behr, Ralf; 2.6, Elektrische Quantenmetrologie, PTB-Braunschweig
Houtzager, Ernest; VSL, Delft, THE NETHERLANDS
Hornecker, Ralph; VSL, Delft, THE NETHERLANDS
Brom, Helko E. van den; VSL, Delft, THE NETHERLANDS
Malmbekk, Helge; Justervesenet, Kjeller, NORWAY
Karlsen, Bjornar; Justervesenet, Kjeller, NORWAY
|
| Quelle/Jahr | 2017 16th International Superconductive Electronics Conference (ISEC):(2017), 1 - 4 |
| ISBN | 978-1-5090-5868-6 (PDF) ; 978-1-5090-5869-3 (PoD) |
| DOI | |
| Verlag | Piscataway, NJ: IEEE |
| Konferenzangaben | ISEC-2017: 16th International Superconductive Electronics Conference, Sorrento, Naples, 12-16, June, 2017, Italy |
| Freie Schlagworte | measurement ; metrology ; voltage ; Josephson arrays ; optoelectronics ; Josephson arbitrary waveform synthesizer |
| Zusammenfassung | Quantum-accurate arbitrary voltage waveforms have been generated using electrical pulse driven Josephson junction arrays (JJAs) by several groups [1, 2]. An alternative method is to use optoelectronic components to convert the electrical pulse drive into an optical signal which is subsequently converted by a photodiode into an electrical drive signal connected directly to the JJA. This optoelectronic pulse drive system has several advantages. Due to the electrical isolation between electrical pulse drive and JJA, it is possible to connect several arrays in series without the requirement for complex electrical compensation circuits. This allows larger output voltages to be realized. An optoelectronic drive also offers the ability to easily tune pulse height, via continuous optical attenuation, allowing the drive signal to be tuned to the middle of the JJA constant voltage step giving optimum operation margins. We here present an optoelectronic pulse drive which forms part of a system incorporating a JJA and delta sigma feedback loop [3] for quantum-accurate digitization of arbitrary voltage waveforms. Results showing the generation of quantum-accurate voltages synchronized to the feedback loop master clock are presented. [1] R. Behr et al., "Direct comparison of a 1 V Josephson arbitrary waveform synthesizer and an ac quantum voltmeter", Metrologia, vol. 52, pp. 528-537, Aug. 2015. [2] S. Benz et al, "One-Volt Josephson Arbitrary Waveform Synthesizer", IEEE Trans. Appl. Supercond., vol. 25, p1300108, Feb.2015. [3] J. Ireland et al., "Design of delta-sigma feedback loop for quantum voltage digitizer", Proc. Conf. on Precision Electromagnetic Measurements (CPEM 2016), Ottawa, pp. 1-2, Jul. 2016. |
Zitierung
Ireland, J., Williams, J. M., Bardalen, E., Nguen, H. V., Ohlckers, P., Kieler, O., Kohlmann, J., Behr, R., Houtzager, E., Hornecker, R., Brom, H. E. V. D., Malmbekk, H., & Karlsen, B. (2017). Josephson arbitrary waveform system with optoelectronic drive. ISEC-2017: 16th International Superconductive Electronics Conference, Sorrento, Naples, 12-16, June, 2017, Italy. https://doi.org/10.1109/isec.2017.8314237