Experimental signatures of a $\sigma_z\sigma_x$ beam-splitter interaction between a Kerr-cat and transmon qubit

Brief description This repository contains data, code, and other materials for "Experimental signatures of a $\sigma_z\sigma_x$ beam-splitter interaction between a Kerr-cat and transmon qubit". Files are zipped by types (data, fabrication, measurement code and results) Data formats: .hdf5: database file storing experimental data. Please use h5py to read data, documents: https://docs.h5py.org/en/stable/index.html .gds: GDSII pattern files for Litography .ipynb: ipython notebooks that run measurements .py: python scripts for generating the GDSII patterns or conducting measurements .aedt: Ansys HFSS projects, Ansys HFSS version is 2022R2 File structure and instruction: Data TBK_MZMBND_KC610_00_54.hdf5 -> Experimental signatures of the beam-splitter interaction DataQubit_PXm_11_21_56.hdf5 -> Simulated signatures of the beam-splitter interaction bsrate_KC615_53_16.hdf5 -> Data for beamsplitter rate TBK_MZMBND_KC605_43_12.hdf5 -> Beamsplitter amplitude vs interaction time 2DStark_KC618_30_15.hdf5 -> Stark shift data VNAQubit_FluxSweep.ddh5 -> Kerr-cat frequency vs flux TBK_MZMBND_KC610_34_40.hdf5 -> zero detuning data TBK_MZMBND_KC621_03_38.hdf5 -> negative detuning data TBK_MZMBND_KC622_48_55.hdf5 -> positive detuning data TBK_MZMBND_KC610_00_54.hdf5 -> transmon experimental data for calculating decay rates DataQubitPx9004_19_52.hdf5 -> Transmon simulation data for calculating T_rabi DataQubitPx014_21_16.hdf5 -> Kerr-cat simulation data for calculating T_rabi DataQubit_PZ_gfit16_10_09.hdf5 -> Decay time fits vs gate amplitude GDS (GDS files for simulations and device fabrication) kerr-cats_6.gds -> GDS used for the Kerr-cat chip (EBL) kerr-cats_6.gds -> Python script used to generate the kerr-cats_6 GDS kerr-cats_7.gds -> GDS used for the transmon chip (EBL) kerr-cats_7.gds -> Python script used to generate the kerr-cats_7 GDS HFSS 09202024_devices.aedt -> HFSS model for the 3D cavity with both chips HFSS Kerr-cat.ipynb -> Jupyter notebook used for calculating device parameters