Observation of Bessel-beam self-trapping

被引：9
|
作者：
Flammini, Mariano [1 ]
Di Domenico, Giuseppe [1 ,2 ]
Pierangeli, Davide [1 ,3 ]
Di Mei, Fabrizio [1 ]
Agranat, Aharon J. [4 ]
DelRe, Eugenio [1 ,5 ]
机构：
[1] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
[2] Ist Italiano Tecnol, Ctr Life Nano Sci Sapienza, I-00161 Rome, Italy
[3] Shenzhen Univ, Coll Optoelect Engn, Minist Educ, Int Collaborat Lab Mat Optoelect Sci & Technol 2D, Shenzhen 518060, Peoples R China
[4] Hebrew Univ Jerusalem, Brojde Ctr Innovat Engn & Comp Sci, IL-91904 Jerusalem, Israel
[5] Univ Roma La Sapienza, ISC CNR, I-00185 Rome, Italy
来源：
PHYSICAL REVIEW A | 2018年 / 98卷 / 03期
关键词：
QUASI-STEADY-STATE; PHOTOREFRACTIVE SPATIAL SOLITONS; SCREENING SOLITONS; WAVE-GUIDES; GENERATION; NONLINEARITY; FILAMENTATION; OPTICS; AXICON; MEDIA;
D O I：
10.1103/PhysRevA.98.033808
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We predict and observe Bessel-beam optical self-trapping in a strongly self-focusing medium. Nonlinearity leads to solutions with a signature pulsing along the propagation direction, a breather that we observe in a photorefractive potassium-lithium-tantalate-niobate crystal. The nonlinear construct is formed as an interference pattern locks together with a diffracting wave.
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页数：8
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