Two-dimensional photonic crystal slab with embedded silicon nanocrystals: Efficient photoluminescence extraction

被引：12

作者：

Ondic, Lukas ^{[1
,2
,3
]}

Varga, Marian ^{[1
]}

Hruska, Karel ^{[1
]}

Kromka, Alexander ^{[1
]}

Herynkova, Katerina ^{[1
]}

Hoenerlage, Bernd ^{[3
]}

Pelant, Ivan ^{[1
]}

机构：

[1] Acad Sci Czech Republic, Inst Phys, Vvi, Prague 16253 6, Czech Republic

[2] Charles Univ Prague, Fac Math & Phys, CR-12116 Prague 2, Czech Republic

[3] CNRS ULP, UMR 7504, IPCMS DON Unite Mixte, F-67034 Strasbourg 2, France

来源：

APPLIED PHYSICS LETTERS | 2013年 / 102卷 / 25期

关键词：

LIGHT AMPLIFICATION; QUANTUM DOTS; WAVE-GUIDE; EMISSION; SURFACE; MODES;

D O I：

10.1063/1.4812477

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A two-dimensional photonic crystal (PhC) slab was fabricated from a luminescent planar waveguide, formed by a (800 nm thick) layer of silicon nanocrystals (SiNCs) embedded in a polished silica plate. Dimensions of the PhC were designed so that light emitted by SiNCs under excitation with an external UV source can, during its propagation in the layer, interact with the periodicity and be Bragg-diffracted into air. This approach leads to up to 8-fold vertical extraction enhancement of SiNCs luminescence from the PhC slab compared to the bare planar layer. Results of the experiment are supported by the computer simulation. (C) 2013 AIP Publishing LLC.

引用

页数：4

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