Ultrashort light pulses in photonic crystals in subdiffractive regimes

被引：7
|
作者：
Loiko, Yurii
Herrero, Ramon
Staliunas, Kestutis
机构：
[1] Univ Politecnia Catalumya, Dept Fis & Engn Nucl, E-08222 Barcelona, Spain
[2] Natl Acad Sci Belarus, Inst Mol & Atom Phys, Minsk 220072, BELARUS
[3] Passeig Lluis Co 23, ICREA, E-08010 Barcelona, Spain
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2007年 / 24卷 / 07期
关键词：
D O I：
10.1364/JOSAB.24.001639
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate analytically (by harmonic mode expansion) and numerically (by finite-difference-time-domain technique) the propagation of light pulses in photonic crystals in subdiffractive regimes. It is shown that in general the short pulses of narrow beams diffract more strongly than the corresponding monochromatic beams and disperse more strongly than the corresponding pulses of the plane waves. We also demonstrate coupling between the temporal dispersion and the spatial dispersion (diffraction) resulting in a complicated spatiotemporal evolution of the propagating pulses. (c) 2007 Optical Society of America.
引用
收藏
页码：1639 / 1645
页数：7
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