Babenko, A.
, LASSER, G.
, Flowers-Jacobs, N.
, Brevik, J.
, Fox, A.
, Popovic, Z.
and Dresselhaus, P.
(2022),
Cryogenic Decade-Passband Superconducting Integrated Diplexer, 2022 IEEE/MTT-S International Microwave Symposium - IMS 2022, Denver, CO, US, [online], https://doi.org/10.1109/IMS37962.2022.9865615, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=933849
(Accessed March 5, 2025)
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Cryogenic Decade-Passband Superconducting Integrated Diplexer
Published
Author(s)
, GREGOR LASSER, , Justus Brevik, , ZOYA POPOVIC,
Abstract
We demonstrate a decade-passband superconducting diplexer operating from dc to 27 GHz, integrated in a niobium, Josephson-junction(JJ)-compatible process. Both low- and high-pass branches are singly-terminated 5-pole Butter-worth filters with a 2.5 GHz cutoff. Several fabricated three-port diplexers are characterized with on-wafer cryogenic two-port calibration, and an insertion loss of 1 dB is measured across the entire frequency range. Although measurements are performed up to 27 GHz, the simulated upper diplexer band extends to 40 GHz, a record four-octave bandwidth. This device is useful when integrated in large-scale superconducting JJ-based quantum processors, broadband sensors, amplifiers and sources.Proceedings Title
2022 IEEE/MTT-S International Microwave Symposium - IMS 2022
Conference Dates
June 19-24, 2022
Conference Location
Denver, CO, US
Pub Type
Conferences
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Keywords
Diplexers, superconducting integrated circuits, superconducting filters, cryogenic on-wafer calibration
Citation
Issues
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Created August 29, 2022, Updated December 22, 2023