Extended Data Fig. 4: Bus-mediated qubit-qubit cross-Kerr.
From: A high-efficiency elementary network of interchangeable superconducting qubit devices
Measurement of the direct dispersive interaction between the two qubits. We have measured Ramsey fringes on qubit 1, 4 μs after qubit 2 was prepared in either \(\left\vert {\rm{g}}\right\rangle\) or \(\left\vert {\rm{e}}\right\rangle\). Solid lines: sinusoidal fits.
