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Characterization of low-loss hydrogenated amorphous silicon films for superconducting resonators
Bruno T. Buijtendorp, Juan Bueno, David J. Thoen +5
Superconducting resonators used in millimeter-submillimeter astronomy would greatly benefit from deposited dielectrics with a small dielectric loss. We deposited hydrogenated amorp…
Simulating the radiation loss of superconducting submillimeter wave filters and transmission lines using Sonnet EM
Akira Endo, Alejandro Pascual Laguna, Sebastian Hähnle +4
Superconducting resonators and transmission lines are fundamental building blocks of integrated circuits for millimeter-submillimeter astronomy. Accurate simulation of radiation lo…
Gate controlled unitary operation on flying spin qubits in quantum Hall edge states
Takase Shimizu, Taketomo Nakamura, Yoshiaki Hashimoto +2
Spin and orbital freedoms of electrons traveling on spin-resolved quantum Hall edge states (quantum Hall ferromagnets) are maximally entangled. The unitary operations on these two…
DESHIMA on ASTE: On-sky Responsivity Calibration of the Integrated Superconducting Spectrometer
Tatsuya Takekoshi, Kenichi Karatsu, Junya Suzuki +36
We are developing an ultra-wideband spectroscopic instrument, DESHIMA (DEep Spectroscopic HIgh-redshift MApper), based on the technologies of an on-chip filter-bank and Microwave K…