Periodical self-focusing and self-accelerating of a finite-energy Airy beam in a gradient-index fiber

Hanmou Zhang; Wenyu Fu; Xingrong Zheng

doi:10.3788/COL201513.S21406

Journals >Chinese Optics Letters >Volume 13 >Issue Suppl. >Page S21406 > Article

Chinese Optics Letters
Vol. 13, Issue Suppl., S21406 (2015)

Periodical self-focusing and self-accelerating of a finite-energy Airy beam in a gradient-index fiber

Hanmou Zhang^*, Wenyu Fu, and Xingrong Zheng

Author Affiliations

Department of Physics, Long-Dong University, Qingyang 745000, China

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DOI: 10.3788/COL201513.S21406 Cite this Article Set citation alerts

Hanmou Zhang, Wenyu Fu, Xingrong Zheng. Periodical self-focusing and self-accelerating of a finite-energy Airy beam in a gradient-index fiber[J]. Chinese Optics Letters, 2015, 13(Suppl.): S21406 Copy Citation Text

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Evolution of the intensity distribution for the two dimensional Airy beam with ax=ay=0.2. Propagation distance is as follows: (a) z=0, (b) L/16, (c) L/8, (d) 3L/16, (e) L/4, (f) 5L/16, (g) 3L/8, (h) 7L/16, and (i) L/2.

Fig. 1. Evolution of the intensity distribution for the two dimensional Airy beam with ax=ay=0.2. Propagation distance is as follows: (a) z=0, (b) L/16, (c) L/8, (d) 3L/16, (e) L/4, (f) 5L/16, (g) 3L/8, (h) 7L/16, and (i) L/2.

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Intensity distribution of the beam at the plane z=L/16 for different values of ax=ay. Values of ax or ay are chosen as follows: (a) 0.1, (b) 0.25, (c) 0.4, (d) 0.5, (e) 0.63, (f) 0.83, (g) 0.9, (h) 1.2, and (i) 1.3.

Fig. 2. Intensity distribution of the beam at the plane z=L/16 for different values of ax=ay. Values of ax or ay are chosen as follows: (a) 0.1, (b) 0.25, (c) 0.4, (d) 0.5, (e) 0.63, (f) 0.83, (g) 0.9, (h) 1.2, and (i) 1.3.

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Fig. 3. Centroid position of one-dimensional finite energy Airy beam with different value of ax. Values of ax=0.25 (solid red line), 0.3 (solid green line), 0.45 (solid blue line), 0.63 (solid black line), ax=0.9 (dashed red line), 1.0 (dashed green line), and 1.2 (dashed blue line).

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Fig. 4. Beam width of one-dimensional finite energy Airy beam with different value of ax. Values of ax=0.25 (solid red line), 0.3 (solid green line), 0.45 (solid blue line), 0.63 (solid black line), ax=0.9 (dashed red line), 1.0 (dashed green line), and 1.2 (dashed blue line).

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Hanmou Zhang, Wenyu Fu, Xingrong Zheng. Periodical self-focusing and self-accelerating of a finite-energy Airy beam in a gradient-index fiber[J]. Chinese Optics Letters, 2015, 13(Suppl.): S21406

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