Transparency near a photonic band edge

被引：109

作者：

Paspalakis, E ^{[1
]}

Kylstra, NJ ^{[1
]}

Knight, PL ^{[1
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, Opt Sect, London SW7 2BZ, England

来源：

PHYSICAL REVIEW A | 1999年 / 60卷 / 01期

关键词：

D O I：

10.1103/PhysRevA.60.R33

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We study the absorption and dispersion properties of a Lambda-type atom that decays spontaneously near the edge of a photonic band gap (PBG). Using an isotropic PEG model, we show that the atom can become transparent to a probe laser field, even when other dissipative channels are present. This transparency originates from the square-root singularity of the density of modes of the PEG material at threshold.

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页码：R33 / R36

页数：4

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