Analog control of open quantum systems under arbitrary decoherence
Jens Clausen, Guy Bensky, Gershon Kurizki
TL;DR
This paper develops a general non-Markovian framework for controlling open quantum systems to optimize quantum gate fidelity amid complex decoherence, demonstrated on a three-level system.
Contribution
It introduces a novel non-Markovian control equation applicable to arbitrary decoherence sources in finite-dimensional quantum systems.
Findings
Derived a general non-Markovian equation for Hamiltonian control
Optimized quantum gate fidelity under arbitrary noise
Illustrated method on a three-level quantum system
Abstract
We derive and investigate a general non-Markovian equation for the time-dependence of a Hamiltonian that maximizes the fidelity of a desired quantum gate on any finite-dimensional quantum system in the presence of arbitrary bath and noise sources. The method is illustrated for a single-qubit gate implemented on a three-level system.
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