Development of an SIS mixer-based amplifier for large-scale multipixel heterodyne receivers

Yoshinori Uzawa; Akira Kawakami; Takafumi Kojima; Kazumasa Makise; Sho Masui; Yosuke Murayama; Akihira Miyachi; Wenlei Shan

doi:10.1117/12.3020000

16 August 2024 Development of an SIS mixer-based amplifier for large-scale multipixel heterodyne receivers

Yoshinori Uzawa, Akira Kawakami, Takafumi Kojima, Kazumasa Makise, Sho Masui, Yosuke Murayama, Akihira Miyachi, Wenlei Shan

Author Affiliations +

Proceedings Volume 13102, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XII; 131020L (2024) https://doi.org/10.1117/12.3020000
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Abstract

This paper introduces a potential low-power-consumption and low-noise microwave amplifier operated at cryogenic temperature, essential for large-scale multi-pixel heterodyne receivers and fault-tolerant quantum computers. The amplifier employs two millimeter-wave superconductor-insulator-superconductor (SIS) mixers as amplifying elements and a millimeter-wave Josephson array oscillator as the local oscillator source. A proof-of-concept experiment utilizing waveguide SIS mixer modules demonstrated an average gain of approximately 7.5 dB and a noise temperature of around 10 K at microwave frequencies. Additionally, a waveguide Josephson array oscillator module, developed to validate the design, exhibited an output power of roughly 52 nW, estimated from the response of a waveguide SIS detector connected to the oscillator module. These findings indicate the feasibility of realizing a monolithically integrated amplifier chip incorporating SIS mixers and a Josephson array oscillator.

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Yoshinori Uzawa, Akira Kawakami, Takafumi Kojima, Kazumasa Makise, Sho Masui, Yosuke Murayama, Akihira Miyachi, and Wenlei Shan "Development of an SIS mixer-based amplifier for large-scale multipixel heterodyne receivers", Proc. SPIE 13102, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XII, 131020L (16 August 2024); https://doi.org/10.1117/12.3020000

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