Group-velocity control by quadratic nonlinear interactions

被引：28

作者：

Marangoni, M

Manzoni, C

Ramponi, R

Cerullo, G

Baronio, F

De Angelis, C

Kitamura, K

机构：

[1] INFM, CNR, IFN, Dipartimento Fis,Politecn Milano,ULTRAS, I-20133 Milan, Italy

[2] Univ Brescia, Dipartimento Elettron Automaz, I-25123 Brescia, Italy

[3] Natl Inst Res Inorgan Mat, Tsukuba, Ibaraki 3050044, Japan

来源：

OPTICS LETTERS | 2006年 / 31卷 / 04期

关键词：

D O I：

10.1364/OL.31.000534

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We give direct experimental evidence that the group velocity of ultrashort pulses can be controlled through x((2))-cascaded interactions, under the condition of large group-velocity mismatch. The group velocity can be finely tuned by acting on pulse intensity and phase mismatch. Group-delay shifts up to 50 fs are achieved by propagating 40 fs pulses around 1400 mn in a 25 mm long periodically poled stoichiometric lithium tantalate crystal. (c) 2006 Optical Society of America.

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页码：534 / 536

页数：3

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