Self-focusing and self-trapping in unbiased centrosymmetric photorefractive media

被引：23

作者：

Crosignani, B ^{[1
]}

DelRe, E

Di Porto, P

Degasperis, A

机构：

[1] Univ Aquila, Dipartimento Fis, I-67010 Laquila, Italy

[2] Ist Nazl Fis Mat, Unita Roma 1, Rome, Italy

[3] Univ Rome La Sapienza, Dipartimento Fis, I-00185 Rome, Italy

[4] Ist Nazl Fis Nucl, Sez Roma 1, Rome, Italy

来源：

OPTICS LETTERS | 1998年 / 23卷 / 12期

关键词：

D O I：

10.1364/OL.23.000912

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We predict self-focusing and self-trapping of optical beams propagating in unbiased centrosymmetric photorefractive crystals in the near-transition paraelectric phase, where the nonlinear response is proportional to the square of the diffusion space-charge field. (C) 1998 Optical Society of America.

引用

页码：912 / 914

页数：3

共 7 条

[1] CHARACTERIZATION OF A NEW PHOTOREFRACTIVE MATERIAL - K1-YLYT1-XNX [J].

AGRANAT, A ;

HOFMEISTER, R ;

YARIV, A .

OPTICS LETTERS, 1992, 17 (10) :713-715

[2] VOLTAGE-CONTROLLED PHOTOREFRACTIVE EFFECT IN PARA-ELECTRIC KTA1-XNBXO3 CU,V [J].

AGRANAT, A ;

LEYVA, V ;

YARIV, A .

OPTICS LETTERS, 1989, 14 (18) :1017-1019

[3] Diffraction-free planar beams in unbiased photorefractive media [J].

Christodoulides, DN ;

Coskun, TH .

OPTICS LETTERS, 1996, 21 (18) :1460-1462

[4] Three-dimensional optical beam propagation and solitons in photorefractive crystals [J].

Crosignani, B ;

DiPorto, P ;

Degasperis, A ;

Segev, M ;

Trillo, S .

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, 1997, 14 (11) :3078-3090

[5] One-dimensional steady-state photorefractive spatial solitons in centrosymmetric paraelectric potassium lithium tantalate niobate [J].

DelRe, E ;

Crosignani, B ;

Tamburrini, M ;

Segev, M ;

Mitchell, M ;

Refaeli, E ;

Agranat, AJ .

OPTICS LETTERS, 1998, 23 (06) :421-423

[6] Spatial solitons in centrosymmetric photorefractive media [J].

Segev, M ;

Agranat, AJ .

OPTICS LETTERS, 1997, 22 (17) :1299-1301

[7]

Xu Y. H., 1991, FERROELECTRIC MAT TH

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