Coherent phonon source based on electron spin resonance in a quantum-dot qubit
Abstract One of the key requirements for quantum phononics, especially for scenarios involving quantum communication and quantum-state transduction, is the implementation of a controlled phonon source, ultimately with the capacity to source single phonons at some desired generation rate. In this art...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Nature Portfolio
2025-04-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-025-96345-4 |
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| Summary: | Abstract One of the key requirements for quantum phononics, especially for scenarios involving quantum communication and quantum-state transduction, is the implementation of a controlled phonon source, ultimately with the capacity to source single phonons at some desired generation rate. In this article, we describe a scheme for the controlled sourcing of phonons that exploits an electron-spin resonance between the Zeeman-split levels of a gated quantum dot. This on-chip scheme allows for broad tunability of the energy of the generated phonons, with convenient electrical control. By providing a compact and coherent source, this scheme is also well suited to the construction of more-extended phononic circuits, involving the sourcing, transmission and detection of phononic signals. |
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| ISSN: | 2045-2322 |