دورية أكاديمية
High-Order Nanowire Resonances for High-Frequency, Large-Coupling-Strength Quantum Dot Hybrid Nanomechanics
| العنوان: | High-Order Nanowire Resonances for High-Frequency, Large-Coupling-Strength Quantum Dot Hybrid Nanomechanics |
|---|---|
| المؤلفون: | Rana Tanos, Hajer Tlili, Yoann Curé, Matteo Finazzer, Alberto Artioli, Saptarshi Kotal, Yann Genuist, Pierre Verlot, Joël Bleuse, Jean-Michel Gérard, Julien Claudon |
| سنة النشر: | 2024 |
| مصطلحات موضوعية: | Biophysics, Biotechnology, Biological Sciences not elsewhere classified, Physical Sciences not elsewhere classified, semiconductor quantum dot, quantum light emitter, quantum information technologies, order vibration modes, order resonances enable, longitudinal vibration modes, latter also provides, important step toward, highest value reported, chip electrodes generate, 3d force field, order nanowire resonances, conical gaas nanowire, qd radiative rate, qd hybrid system, loss flexural mode, hybrid coupling strength, frequency hybrid nanomechanics, assembled inas qds, nanowire platform, mode nature, drive flexural, qd located, qd ), stress maximum, sideband regime |
| الوصف: | Hybrid nanomechanical systems embedding a quantum light emitter, such as a semiconductor quantum dot (QD), are actively investigated both for their fundamental interest and for potential applications to quantum information technologies. Here, we explore the high-order vibration modes of a conical GaAs nanowire that embeds a few self-assembled InAs QDs. On-chip electrodes generate a 3D force field that can drive flexural and longitudinal vibration modes. Mechanical vibrations are detected optically by measuring the microphotoluminescence spectrum of the QDs. The latter also provides a fingerprint of the mode nature. Starting from the sub-MHz fundamental flexural mode, we show that higher-order resonances enable a dramatic increase in both mechanical frequency and hybrid coupling strength. In particular, we identify a low-loss flexural mode that resonates at 190 MHz. This frequency exceeds the QD radiative rate, which constitutes an important step toward the resolved-sideband regime. For a QD located at the stress maximum, the hybrid coupling strength reaches 3.9 MHz, the highest value reported so far for a QD hybrid system. These results demonstrate the potential of the QD-nanowire platform for high-frequency hybrid nanomechanics. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | unknown |
| العلاقة: | https://figshare.com/articles/journal_contribution/High-Order_Nanowire_Resonances_for_High-Frequency_Large-Coupling-Strength_Quantum_Dot_Hybrid_Nanomechanics/25282632Test |
| DOI: | 10.1021/acsphotonics.4c00202.s001 |
| الإتاحة: | https://doi.org/10.1021/acsphotonics.4c00202.s001Test https://figshare.com/articles/journal_contribution/High-Order_Nanowire_Resonances_for_High-Frequency_Large-Coupling-Strength_Quantum_Dot_Hybrid_Nanomechanics/25282632Test |
| حقوق: | CC BY-NC 4.0 |
| رقم الانضمام: | edsbas.CCE2E25C |
| قاعدة البيانات: | BASE |
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