All You Need is Amplifier: Spectral Imposters Without Pulse Shaping

• URL: http://arxiv.org/abs/2603.05417v1
• Date: Thu, 05 Mar 2026 17:40:15 GMT
• Title: All You Need is Amplifier: Spectral Imposters Without Pulse Shaping
• Authors: Valeriia Bilokon, Elvira Bilokon, Denys I. Bondar,
• Abstract summary: Quantum tracking control encodes desired dynamics into a tailored driving field; here, we let the system find its own way there.<n>We propose a real-time feedback control framework in which a proportional controller continuously corrects a simple transform-limited field based on the instantaneous mismatch between two systems' responses.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Quantum tracking control encodes the desired dynamics into a tailored driving field; here, we let the system find its own way there. We propose a real-time feedback control framework in which a proportional controller continuously corrects a simple transform-limited field based on the instantaneous mismatch between two systems' responses - producing the required control on the fly, without prior waveform design. The framework is demonstrated on two distinct examples: a single-active-electron atom, where hydrogen is driven to mimic argon's strong-field optical emission, and a Fermi-Hubbard chain, where a weakly interacting lattice reproduces the transport dynamics of a Mott-insulating reference. By shifting the control paradigm from predesigned inputs to adaptive response tracking, this approach establishes closed-loop feedback as a broadly applicable route to programmable quantum dynamics.

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