Spectroscopic observation of the crossover from a classical Duffing oscillator to a Kerr parametric oscillator
نویسندگان
چکیده
We study microwave response of a Josephson parametric oscillator consisting superconducting transmission-line resonator with an embedded DC-superconducting quantum interference device (-SQUID). The DC-SQUID allows to control the magnitude Kerr nonlinearity over ranges where it is smaller or larger than photon loss rate. Spectroscopy measurements reveal change in from classical Duffing single device. In single-photon regime, we observe oscillations well-defined phase either 0 $\ensuremath{\pi}$, whose probability can be controlled by externally injected signal.
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ژورنال
عنوان ژورنال: Physical review
سال: 2022
ISSN: ['0556-2813', '1538-4497', '1089-490X']
DOI: https://doi.org/10.1103/physreva.105.023519