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Figure 4 | EPJ Quantum Technology

Figure 4

From: Multi-qubit joint measurements in circuit QED: stochastic master equation analysis

Figure 4

The approximate matched filter given by Eq. ( 58 ), for use in obtaining a measurement signal \(\pmb{s(\tau)}\) given a photocurrent time trace \(\pmb{j(t)}\) . The filter function can be thought of as assigning an importance to the photocurrent emitted at time t; this filter function assigns high importance during the steady-state phase of the measurement, and low importance at other times.

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