Fingerprints of Qubit Noise in Transient Cavity Transmission
P. M. Mutter, G. Burkard
Phys. Rev. Lett. 128, 236801 (2022)
Noise affects the coherence of qubits and thereby places a bound on the performance of quantum computers. We theoretically study a generic two-level system with fluctuating control parameters in a photonic cavity and find that basic features of the noise spectral density are imprinted in the transient transmission through the cavity. We obtain analytical expressions for generic noise and proceed to study the cases of quasistatic,…
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