A high-temperature superconducting monolithic microwave integrated Josephson down-converter with high conversion efficiency

J. Du; T. Zhang; Y. J. Guo; X. W. Sun

doi:10.1063/1.4808106

A high-temperature superconducting monolithic microwave integrated Josephson down-converter with high conversion efficiency

J. Du, T. Zhang, Y. J. Guo, X. W. Sun

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

A compact high-T_c superconducting monolithic microwave integrated circuit Josephson down-converter is presented. The circuit consists of a single Josephson junction mixer, a bandpass filter, a lowpass filter, and a resonator for local oscillator fabricated on a single 10 mm × 20 mm chip of YBa₂Cu₃O_7-x film on MgO substrate. The down-converter demonstrates superior performance in terms of conversion efficiency, dynamic range, linearity, and low local oscillator power with stable operation from 20 to 77 K. A maximum conversion gain of -4.7 dB was measured at 20 K and -12.8 dB at 70 K.

Original language	English
Article number	212602
Pages (from-to)	1-4
Number of pages	4
Journal	Applied Physics Letters
Volume	102
Issue number	21
DOIs	https://doi.org/10.1063/1.4808106
Publication status	Published - 2013
Externally published	Yes

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A high-temperature superconducting monolithic microwave integrated Josephson down-converter with high conversion efficiency

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