Balanced Ternary Quantum Voltage Generator Based on Zero Crossing Shapiro Steps in Asymmetric Two-Junction SQUIDs

Masataka MORIYA  Hiroyuki TAKIZAWA  Yoshinao MIZUGAKI  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E96-C   No.3   pp.334-337
Publication Date: 2013/03/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: BRIEF PAPER
Category: 
Keyword: 
SQUID,  zero-crossing Shapiro step,  balanced ternary quantum voltage generator,  

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Summary: 
The three-bit balanced ternary quantum voltage generator was designed and tested. This voltage generator is based on zero-crossing Shapiro steps (ZCSSs) in asymmetric two-junction SQUID. ZCSSs were observed on the current-voltage curves, and maximum and minimum current of ZCSSs were almost same, respectively for the three bits. 27-step quantum voltages from -13Φ0f to +13 Φ0f were observed by combinations of inputs of bit1, bit2 and bit3.