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Reducing current noise in cryogenic experiments by vacuum-insulated cables

Autor: Mykkänen, E., Lehtinen, J. S., Kemppinen, A., Krause, C., Drung, D., Nissilä, J., Manninen, A. J.

Publikováno v: Review of Scientific Instruments, 87, p. 105111 (2016)

We measure the current noise of several cryogenic cables in a pulse tube based dilution refrigerator at frequencies between about 1~mHz and 50~kHz. We show that vibration-induced noise can be efficiently suppressed by using vacuum-insulated cables be

Externí odkaz: http://arxiv.org/abs/1604.03903

Design and performance of an advanced metrology building for MIKES

Autor: Lassila, A., Kari, M., Koivula, H., Koivula, U., Kortström, J., Leinonen, E., Manninen, J., Manssila, J., Mansten, T., Meriläinen, T., Muttilainen, J., Nissilä, J., Nyblom, R., Riski, K., Sarilo, J., Isotalo, H.

Publikováno v: In Measurement 2011 44(2):399-425

Driving a low critical current Josephson junction array with a mode-locked laser

Autor: Nissilä, J., Fordell, T., Kohopää, K., Mykkänen, E., Immonen, P., Jabdaraghi, R. N., Bardalen, E., Kieler, O., Karlsen, B., Øhlckers, P. A., Behr, R., Manninen, A. J., Govenius, J., Kemppinen, A.

Publikováno v: Nissilä, J, Fordell, T, Kohopää, K, Mykkänen, E, Immonen, P, Jabradaghi, R N, Bardalen, E, Kieler, O, Karlsen, B, Ohlckers, P A, Behr, R, Manninen, A J, Govenius, J & Kemppinen, A 2021, ' Driving a low critical current Josephson junction array with a mode-locked laser ', Applied Physics Letters, vol. 119, no. 3, 032601 . https://doi.org/10.1063/5.0060804
Applied Physics Letters

We report proof-of-concept experiments on an optically driven Josephson voltage standard based on a mode-locked laser (MLL), a time-division multiplexer, and a cryogenic ultrafast photodiode driving an overdamped Josephson junction array (JJA). Our o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15481fb5b9618f43c0485ad4482ae099
http://arxiv.org/abs/2009.12352

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