Saturation of the All-Optical Kerr Effect

被引：97

作者：

Bree, Carsten ^{[1
,2
]}

Demircan, Ayhan ^{[1
]}

Steinmeyer, Guner ^{[2
,3
]}

机构：

[1] Weierstr Inst Angew Anal & Stochast, D-10117 Berlin, Germany

[2] Max Born Inst Nichtlineare Opt & Kurzzeitspektr, D-12489 Berlin, Germany

[3] Tampere Univ Technol, Optoelect Res Ctr, Tampere 33101, Finland

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 106卷 / 18期

基金：

芬兰科学院;

关键词：

REFRACTIVE-INDEX; RARE-GASES; HYPERPOLARIZABILITIES; IONIZATION; ATOMS; GENERATION; DISPERSION; AIR; O-2; N-2;

D O I：

10.1103/PhysRevLett.106.183902

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Saturation of the intensity dependence of the refractive index is directly computed from ionization rates via a Kramers-Kronig transform. The linear intensity dependence and its dispersion are found to be in excellent agreement with complete quantum mechanical orbital computations. Higher-order terms concur with solutions of the time-dependent Schrodinger equation. Expanding the formalism to all orders up to the ionization potential of the atom, we derive a model for saturation of the Kerr effect. This model widely confirms recently published and controversially discussed experimental data and corroborates the importance of higher-order Kerr terms for filamentation.

引用

页数：4

共 31 条

[1]

Abramowitz M., 1972, HDB MATH FUNCTIONS F, P295

[2] From multiphoton to tunnelling ionization of neon and argon [J].

Abu-samha, M. ;

Madsen, L. B. .

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 2008, 41 (15)

[3] Higher-Order Kerr Terms Allow Ionization-Free Filamentation in Gases [J].

Bejot, P. ;

Kasparian, J. ;

Henin, S. ;

Loriot, V. ;

Vieillard, T. ;

Hertz, E. ;

Faucher, O. ;

Lavorel, B. ;

Wolf, J. -P. .

PHYSICAL REVIEW LETTERS, 2010, 104 (10)

[4] IMPROVED DYNAMIC HYPERPOLARIZABILITIES AND FIELD-GRADIENT POLARIZABILITIES FOR HELIUM [J].

BISHOP, DM ;

PIPIN, J .

JOURNAL OF CHEMICAL PHYSICS, 1989, 91 (06) :3549-3552

[5] Method for Computing the Nonlinear Refractive Index via Keldysh Theory [J].

Bree, Carsten ;

Demircan, Ayhan ;

Steinmeyer, Guenter .

IEEE JOURNAL OF QUANTUM ELECTRONICS, 2010, 46 (04) :433-437

[6] (3+1)-dimensional numerical simulations of femtosecond laser filaments in air:: Toward a quantitative agreement with experiments [J].

Champeaux, S. ;

Berge, L. ;

Gordon, D. ;

Ting, A. ;

Penano, J. ;

Sprangle, P. .

PHYSICAL REVIEW E, 2008, 77 (03)

[7] SUPERCONTINUUM GENERATION IN GASES [J].

CORKUM, PB ;

ROLLAND, C ;

SRINIVASANRAO, T .

PHYSICAL REVIEW LETTERS, 1986, 57 (18) :2268-2271

[8] Catastrophic collapse of ultrashort pulses [J].

Gaeta, AL .

PHYSICAL REVIEW LETTERS, 2000, 84 (16) :3582-3585

[9] INDEXES GOVERNING OPTICAL SELF-FOCUSING AND SELF-INDUCED CHANGES IN THE STATE OF POLARIZATION IN N-2, O-2, H-2, AND AR GASES [J].

HELLWARTH, RW ;

PENNINGTON, DM ;

HENESIAN, MA .

PHYSICAL REVIEW A, 1990, 41 (05) :2766-2777

[10] KRAMERS-KRONIG RELATIONS IN NONLINEAR OPTICS [J].

HUTCHINGS, DC ;

SHEIKBAHAE, M ;

HAGAN, DJ ;

VANSTRYLAND, EW .

OPTICAL AND QUANTUM ELECTRONICS, 1992, 24 (01) :1-30

← 1 2 3 4 →