Light transport through the band-edge states of Fibonacci quasicrystals

被引：224

作者：

Dal Negro, L ^{[1
]}

Oton, CJ

Gaburro, Z

Pavesi, L

Johnson, P

Lagendijk, A

Righini, R

Colocci, M

Wiersma, DS

机构：

[1] Univ Trent, INFM, I-38050 Trent, Italy

[2] Univ Trent, Dept Phys, I-38050 Trent, Italy

[3] Univ Amsterdam, Van der Waals Zeeman Inst, NL-1018 XE Amsterdam, Netherlands

[4] Univ Twente, Dept Appl Phys, NL-7500 AE Enschede, Netherlands

[5] Univ Twente, MESA Res Inst, NL-7500 AE Enschede, Netherlands

[6] INFM, I-50019 Florence, Italy

[7] European Lab Nonlinear Spect, I-50019 Florence, Italy

来源：

PHYSICAL REVIEW LETTERS | 2003年 / 90卷 / 05期

关键词：

D O I：

10.1103/PhysRevLett.90.055501

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The propagation of light in nonperiodic quasicrystals is studied by ultrashort pulse interferometry. Samples consist of multilayer dielectric structures of the Fibonacci type and are realized from porous silicon. We observe mode beating and strong pulse stretching in the light transport through these systems, and a strongly suppressed group velocity for frequencies close to a Fibonacci band gap. A theoretical description based on transfer matrix theory allows us to interpret the results in terms of Fibonacci band-edge resonances.

引用

页码：4 / 055501

页数：4

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