Optimal pulses for arbitrary dispersive media

被引：3
|
作者：
Alonso, M. A. [1 ,2 ]
Setala, T. [1 ]
Friberg, A. T. [1 ,3 ,4 ]
机构：
[1] Aalto Univ, Dept Appl Phys, FI-00076 Aalto, Finland
[2] Univ Rochester, Inst Opt, Rochester, NY 14627 USA
[3] Univ Eastern Finland, Dept Math & Phys, FI-80101 Joensuu, Finland
[4] Royal Inst Technol, Dept Microelect & Appl Phys, SE-16440 Kista, Sweden
来源：
JOURNAL OF THE EUROPEAN OPTICAL SOCIETY-RAPID PUBLICATIONS | 2011年 / 6卷
基金：
芬兰科学院;
关键词：
Light pulses; pulse quality factor; phase space; dispersion; variational methods; BEAM-PROPAGATION; QUALITY FACTOR; DISTRIBUTIONS;
D O I：
10.2971/jeos.2011.11035
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A variational procedure is given for finding the pulses for which the initial temporal rms width and the rate of increase of this width are jointly minimized for propagation in non-absorbing media with arbitrary dispersive properties. We show that, while in linearly dispersive media the optimal pulses are Gaussian, in other situations such as a hollow metallic waveguide or for purely cubic dispersion departures from Gaussian behavior become evident. An interpretation of the results in terms of suitable phase-space representations is also given. [DOI: 10.2971/jeos.2011.11035]
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页数：6
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