Optical Dipole Forces of Laguerre-Gaussian Femtosecond Laser Pulses with High Radial Modes on Cascade Three-Level Atoms

Wenhui Guan; Jian Wang; Shuo Yuan; Abdul Gheyas Abdul Rashid; Fenfen Guo; Jicai Liu

doi:10.3788/AOS230705

Acta Optica Sinica, Volume. 43, Issue 19, 1927001(2023)

Optical Dipole Forces of Laguerre-Gaussian Femtosecond Laser Pulses with High Radial Modes on Cascade Three-Level Atoms

Wenhui Guan¹, Jian Wang², Shuo Yuan¹, Abdul Gheyas Abdul Rashid¹, Fenfen Guo¹, and Jicai Liu^1,3、*

Author Affiliations

¹School of Mathematics and Physics, North China Electric Power University, Beijing 102206, China

²School of Nuclear Science and Engineering, North China Electric Power University, Beijing 102206, China

³Hebei Key Laboratory of Physics and Energy Technology, Baoding 071000, Hebei , China

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Fig. 1. Optical potential $V (r, t)$ induced by different orders of femtosecond pulsed LG₀_n fields with negative detunings. (a) $n = 0$ ; (b) $n = 1$ ; (c) $n = 2$ ; (d) radial distribution of optical potential $V (r, t)$ at $t = 50 f s$ when the field intensity takes its maximum

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Fig. 2. Optical potential $V (r, t)$ induced by different orders of femtosecond pulsed LG₀_n fields with positive detunings. (a) $n = 0$ ; (b) $n = 1$ ; (c) $n = 2$ ; (d) radial distribution of optical potential $V (r, t)$ at $t = 50 f s$ when the field intensity takes its maximum, the inset shows the induced electric dipole moment $〈μ〉$

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Fig. 3. Optical dipole force $F_{r} (r, t)$ induced by $ω = 1.0 r a d / f s$ negatively detuned femtosecond pulsed LG₀_n fields. Spatial-temporal distribution of $F_{r} (r, t)$ with (a) $n = 1$ and (b) $n = 2$ ; radial distribution of the optical dipole force $F_{r} (r, t)$ with (c) $n = 1$ and (d) $n = 2$ at different time instants; temporal evolution of the optical dipole force $F_{r} (r, t)$ with (e) $n = 1$ and (f) $n = 2$ at different radial positions

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Fig. 4. Optical dipole force $F_{r} (r, t)$ induced by $ω = 4.0 r a d / f s$ positively detuned femtosecond pulsed LG₀_n fields. Spatial-temporal distribution of $F_{r} (r, t)$ with (a) $n = 1$ and (b) $n = 2$ ; radial distribution of the optical dipole force $F_{r} (r, t)$ with (c) $n = 1$ and (d) $n = 2$ at different time instants; temporal evolution of the optical dipole force $F_{r} (r, t)$ with (e) $n = 1$ and (f) $n = 2$ at different radial positions

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Wenhui Guan, Jian Wang, Shuo Yuan, Abdul Gheyas Abdul Rashid, Fenfen Guo, Jicai Liu. Optical Dipole Forces of Laguerre-Gaussian Femtosecond Laser Pulses with High Radial Modes on Cascade Three-Level Atoms[J]. Acta Optica Sinica, 2023, 43(19): 1927001

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Paper Information

Category: Quantum Optics

Received: Mar. 24, 2023

Accepted: Apr. 24, 2023

Published Online: Oct. 23, 2023

The Author Email: Liu Jicai (jicailiu@ncepu.edu.cn)

DOI:10.3788/AOS230705

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology