One-Dimensional Modulational Instability of Broad Optical Beams In Photorefractive Crystals with Both Linear and Quadratic Electro-Optic Effects

Lili Hao; Zhen Wang; Hongxia Tang; Xiaoyang Zhang; Qi Yang; Qiang Wang

doi:10.3788/LOP230900

Laser & Optoelectronics Progress, Volume. 61, Issue 5, 0519001(2024)

One-Dimensional Modulational Instability of Broad Optical Beams In Photorefractive Crystals with Both Linear and Quadratic Electro-Optic Effects

Lili Hao¹, Zhen Wang¹, Hongxia Tang², Xiaoyang Zhang¹, Qi Yang¹, and Qiang Wang^1、*

Author Affiliations

¹Department of Physics, College of physics and Electronic Engineering, Northeast Petroleum University, Daqing 163318, Heilongjiang , China

²Department of Physics, College of Electrical Engineering, Suihua University, Suihua 152000, Heilongjiang , China

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Figures & Tables(6)

Fig. 1. Global MI gains as a function of $p / k$ when $r = 1$

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Fig. 2. Local MI gains as a function of $p / k$ when $r = 1$

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Fig. 3. Dependence of the global MI gains associated with the two global spatial-frequencies peaks $p_{1} / k$ and $p_{2} / k$ on $E_{0}$ when $r = 1$

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Fig. 4. Dependence of the global MI gains associated with the two global peak spatial-frequencies $p_{1} / k$ and $p_{2} / k$ on $r$ when $E_{0} = 1.8 \times 10^{5} V / m$

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Fig. 5. Dynamical evolution of the global $g_{p 1}$ and $g_{p 2}$ versus both $E_{0}$ and $p / k$ when $r = 1$

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Fig. 6. The global MI gains as a function of $p / k$ under different $r$ conditions for $E_{0} = 1.8 \times 10^{5} V / m$

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Lili Hao, Zhen Wang, Hongxia Tang, Xiaoyang Zhang, Qi Yang, Qiang Wang. One-Dimensional Modulational Instability of Broad Optical Beams In Photorefractive Crystals with Both Linear and Quadratic Electro-Optic Effects[J]. Laser & Optoelectronics Progress, 2024, 61(5): 0519001

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Paper Information

Category: Nonlinear Optics

Received: Mar. 20, 2023

Accepted: Apr. 20, 2023

Published Online: Mar. 6, 2024

The Author Email: Qiang Wang (wangqiang8035@163.com)

DOI:10.3788/LOP230900

CSTR:32186.14.LOP230900

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology