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Patent US10074793
Issued 2018-09-11
Incorporating Arrays Of Josephson Junctions In A Josephson Junction Ring Modulator In A Josephson Parametric Converter
A Josephson parametric converter is provided. The Josephson parametric converter includes a multi-Josephson junction ring modulator having arrays of N Josephson junctions arranged in a ring configuration with ring nodes inter-dispersed between the arrays. The multi-Josephson junction ring modulator further has a center node inter-connecting the ring nodes. N is an integer having a value greater than one. The Josephson parametric also includes a first and a second resonator formed from lumped-element capacitors that shunt the multi-Josephson junction ring modulator and respectively enable a first and a second mode of the Josephson parametric converter.
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- 1. A Josephson parametric converter, comprising:
a multi-Josephson junction ring modulator having arrays of N Josephson junctions arranged in a ring configuration with ring nodes inter-dispersed between the arrays, and further having a center node inter-connecting the ring nodes, wherein N is an integer having a value greater than one; and a first and a second resonator formed from lumped-element capacitors that shunt the multi-Josephson junction ring modulator and respectively enable a first and a second mode of the Josephson parametric converter.
- 11. A method, comprising:
forming a Josephson parametric converter, wherein said forming step includes:
forming a multi-Josephson junction ring modulator having arrays of N Josephson junctions arranged in a ring configuration with ring nodes inter-dispersed between the arrays, and further having a center node inter-connecting the ring nodes, wherein N is an integer having a value greater than one; and
forming a first and a second resonator from lumped-element capacitors that shunt the multi-Josephson junction ring modulator and respectively enable a first and a second mode of the Josephson parametric converter.
