Dispersive wave blue-shift in supercontinuum generation

被引：79

作者：

Austin, Dane R. ^{[1
]}

de Sterke, C. Martijn

Eggleton, Benjamin J.

Brown, Thomas G.

机构：

[1] Univ Sydney, Sch Phys, Ctr Ultrahigh Bandwidth Devices Opt Syst, Sydney, NSW 2006, Australia

[2] Univ Rochester, Inst Opt, Rochester, NY 14627 USA

来源：

OPTICS EXPRESS | 2006年 / 14卷 / 25期

关键词：

D O I：

10.1364/OE.14.011997

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We numerically study dispersive wave emission during femtosecond-pumped supercontinuum generation in photonic crystal fibres. We show that dispersive waves are primarily generated over a short region of high temporal compression. Despite the apparent complexity of the pump pulse in this region, we show that the dynamics of dispersive wave generation are dominated by a single fundamental soliton. However, any straightforward application of the theory that is thought to describe the blue emission, considerably underestimates the frequency shift. We show that in fact the red-shift of the soliton, caused by spectral recoil from the growing dispersive wave, causes an additional blue-shift of the resonant frequency which is in good agreement with full simulations. (c) 2006 Optical Society of America.

引用

页码：11997 / 12007

页数：11

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