Decay control via discrete-to-continuum coupling modulation in an optical waveguide system

被引：70

作者：

Dreisow, F. ^{[1
]}

Szameit, A. ^{[1
]}

Heinrich, M. ^{[1
]}

Pertsch, T. ^{[1
]}

Nolte, S. ^{[1
]}

Tuennermann, A. ^{[1
]}

Longhi, S. ^{[1
,2
,3
,4
]}

机构：

[1] Univ Jena, Inst Appl Phys, D-07743 Jena, Germany

[2] Fraunhofer Inst Appl Opt & Precis Engn, D-07745 Jena, Germany

[3] Politecn Milan, Dipartimento Fis, I-20133 Milan, Italy

[4] Politecn Milan, Ist Foton & Nanotecnol, CNR, I-20133 Milan, Italy

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.101.143602

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Control of optical tunneling via modulation of the coupling to the continuum is experimentally reported in femtosecond laser written waveguide arrays. The experiment demonstrates for optical tunneling in photonic lattices the universal mechanism of decay control recently proposed for quantum systems by Kofman and Kurizki [Phys. Rev. Lett. 87, 270405 (2001)]. In particular, we prove that the formation of a dressed discrete-continuum bound state in the regime of fractional decay can be suppressed by dynamic modulation of discrete-to-continuum coupling.

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页数：4

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