Maximizing orientation of a three-state molecule in a cavity with analytically designed pulses
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866909492739833856 |
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| author | Fan, Li-Bao Li, Hai-Ji Chen, Qi Zhou, Hang Liu, Heng Shu, Chuan-Cun |
| author_facet | Fan, Li-Bao Li, Hai-Ji Chen, Qi Zhou, Hang Liu, Heng Shu, Chuan-Cun |
| contents | We theoretically explore the precise control of a molecular polariton by strongly coupling the lowest three rotational states of a single molecule with a single-mode cavity. We examine two distinct cavity resonance configurations: a fundamental frequency cavity ($ω_c = 2B$ with the rotational constant $B$) resonating with the lowest two rotational states, and a second harmonic cavity ($ω_c = 4B$) coupling with the first and second excited rotational states. We propose two control schemes based on the two polariton configurations and derive the corresponding pulse-area theorems to achieve a theoretical maximum orientation of 0.7746, identical to the molecule in the absence of the cavity. The control schemes are analyzed in Carbonyl Sulfide (OCS) molecules in their ground rotational state. Our numerical simulation results demonstrate the theoretical control schemes and analyze the sensitivity of the molecular polariton orientation degree to the control field bandwidth and phases. This work provides a valuable reference for achieving maximum field-free orientation of ultracold three-state molecules in a cavity using analytically designed pulses. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_05648 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Maximizing orientation of a three-state molecule in a cavity with analytically designed pulses Fan, Li-Bao Li, Hai-Ji Chen, Qi Zhou, Hang Liu, Heng Shu, Chuan-Cun Quantum Physics Optics We theoretically explore the precise control of a molecular polariton by strongly coupling the lowest three rotational states of a single molecule with a single-mode cavity. We examine two distinct cavity resonance configurations: a fundamental frequency cavity ($ω_c = 2B$ with the rotational constant $B$) resonating with the lowest two rotational states, and a second harmonic cavity ($ω_c = 4B$) coupling with the first and second excited rotational states. We propose two control schemes based on the two polariton configurations and derive the corresponding pulse-area theorems to achieve a theoretical maximum orientation of 0.7746, identical to the molecule in the absence of the cavity. The control schemes are analyzed in Carbonyl Sulfide (OCS) molecules in their ground rotational state. Our numerical simulation results demonstrate the theoretical control schemes and analyze the sensitivity of the molecular polariton orientation degree to the control field bandwidth and phases. This work provides a valuable reference for achieving maximum field-free orientation of ultracold three-state molecules in a cavity using analytically designed pulses. |
| title | Maximizing orientation of a three-state molecule in a cavity with analytically designed pulses |
| topic | Quantum Physics Optics |
| url | https://arxiv.org/abs/2409.05648 |