Normal Mode Splitting and Force Sensing in Cavity Magnomechanical System
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866909722374832128 |
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| author | Din, Ghaisud Abbas, Muqaddar Zhang, Pei |
| author_facet | Din, Ghaisud Abbas, Muqaddar Zhang, Pei |
| contents | In this study, we investigate the dynamics of system composed of a single cavity consisting of an optical parametric amplifier (OPA) and a YIG sphere influenced by a bias magnetic field. This bias field leads to magnetostrictive effects on magnon modes that induces phonons. We investigate the position fluctuation spectrum and the output field spectrum, finding that at G =0, the system displays a single peak, indicative of weak coupling between the optical and phononic modes. As G increases (e.g., G =0.1 kappa_a, 0.2 kappa_a, 0.4 kappa_a, we observe a transition to double peak, which reflects stronger coupling in the vicinity of cavity along with phonon modes that leads to normal mode splitting (NMS) in cavity magnomechanic system. Furthermore, we examine that the OPA amplifies the Y quadrature while squeezing the X quadrature of the output field spectrum. This sensitive behavior results in a more pronounced splitting in the Y quadrature spectra compared to the X quadrature. Our findings emphasize the essential role of the OPA in adjusting the interaction strength between the optical and phononic modes as well as underscore the importance of quadrature analysis in characterizing the system's response. NMS mechanism open avenues for advanced applications in quantum sensing and information processing, highlighting the potential for tunable devices in emerging quantum technologies. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_19775 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Normal Mode Splitting and Force Sensing in Cavity Magnomechanical System Din, Ghaisud Abbas, Muqaddar Zhang, Pei Optics In this study, we investigate the dynamics of system composed of a single cavity consisting of an optical parametric amplifier (OPA) and a YIG sphere influenced by a bias magnetic field. This bias field leads to magnetostrictive effects on magnon modes that induces phonons. We investigate the position fluctuation spectrum and the output field spectrum, finding that at G =0, the system displays a single peak, indicative of weak coupling between the optical and phononic modes. As G increases (e.g., G =0.1 kappa_a, 0.2 kappa_a, 0.4 kappa_a, we observe a transition to double peak, which reflects stronger coupling in the vicinity of cavity along with phonon modes that leads to normal mode splitting (NMS) in cavity magnomechanic system. Furthermore, we examine that the OPA amplifies the Y quadrature while squeezing the X quadrature of the output field spectrum. This sensitive behavior results in a more pronounced splitting in the Y quadrature spectra compared to the X quadrature. Our findings emphasize the essential role of the OPA in adjusting the interaction strength between the optical and phononic modes as well as underscore the importance of quadrature analysis in characterizing the system's response. NMS mechanism open avenues for advanced applications in quantum sensing and information processing, highlighting the potential for tunable devices in emerging quantum technologies. |
| title | Normal Mode Splitting and Force Sensing in Cavity Magnomechanical System |
| topic | Optics |
| url | https://arxiv.org/abs/2411.19775 |