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

Journals >Laser & Optoelectronics Progress >Volume 61 >Issue 5 >Page 0519001 > Article

Laser & Optoelectronics Progress
Vol. 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,*|Show fewer author(s)

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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DOI: 10.3788/LOP230900 Cite this Article Set citation alerts

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 Copy Citation Text

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

Fig. 1. Global MI gains as a function of

p / k

when

r = 1

Download full size

Local MI gains as a function of p/k when r=1

Fig. 2. Local MI gains as a function of

p / k

when

r = 1

Download full size

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

Download full size

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

Download full size

Fig. 5. Dynamical evolution of the global

g_{p 1}

and

g_{p 2}

versus both

E_{0}

and

p / k

when

r = 1

Download full size

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

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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