Nonreciprocal microwave transmission based on Gebhard-Ruckenstein hopping
Shumpei Masuda, Shingo Kono, Keishi Suzuki, Yuuki Tokunaga, Yasunobu, Nakamura, Kazuki Koshino
TL;DR
This paper presents a superconducting device utilizing Gebhard-Ruckenstein hopping to achieve nonreciprocal microwave transmission, functioning as an on-chip circulator with wide bandwidth due to chiral microwave propagation.
Contribution
It introduces a novel superconducting device design that employs Gebhard-Ruckenstein hopping for nonreciprocal microwave transmission and circulator functionality.
Findings
Achieves chiral microwave propagation via linear energy dispersion.
Demonstrates wide-bandwidth nonreciprocal transmission.
Functions effectively as an on-chip microwave circulator.
Abstract
We study nonreciprocal microwave transmission based on the Gebhard-Ruckenstein hopping. We consider a superconducting device that consists of microwave resonators and a coupler. The Gebhard-Ruckenstein hopping between the resonators gives rise to a linear energy dispersion which manifests chiral propagation of microwaves in the device. This device functions as an on-chip circulator with a wide bandwidth when transmission lines are attached.
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