All You Need is Amplifier: Spectral Imposters Without Pulse Shaping
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arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| Acceso en línea: | |
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| _version_ | 1866911489366949888 |
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| author | Bilokon, Valeriia Bilokon, Elvira Bondar, Denys I. |
| author_facet | Bilokon, Valeriia Bilokon, Elvira Bondar, Denys I. |
| contents | 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_05417 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | All You Need is Amplifier: Spectral Imposters Without Pulse Shaping Bilokon, Valeriia Bilokon, Elvira Bondar, Denys I. Quantum Physics 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. |
| title | All You Need is Amplifier: Spectral Imposters Without Pulse Shaping |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2603.05417 |