Coupled photonic crystal nanobeam cavities

被引：109

作者：

Deotare, Parag B. ^{[1
]}

McCutcheon, Murray W. ^{[1
]}

Frank, Ian W. ^{[1
]}

Khan, Mughees ^{[1
]}

Loncar, Marko ^{[1
]}

机构：

[1] Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA

来源：

APPLIED PHYSICS LETTERS | 2009年 / 95卷 / 03期

基金：

加拿大自然科学与工程研究理事会;

关键词：

cavity resonators; nanophotonics; photonic crystals; silicon; SINGLE QUANTUM-DOT; OPTOMECHANICAL CAVITY; QUALITY FACTOR; WAVE-GUIDES; NANOCAVITY; DESIGN; LASER; REFLECTIVITY; ENHANCEMENT; RESONATORS;

D O I：

10.1063/1.3176442

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We describe the design, fabrication, and spectroscopy of coupled, high quality (Q) factor silicon nanobeam photonic crystal cavities. We show that the single nanobeam cavity modes are coupled into even and odd superposition modes, and we simulate the frequency and Q factor as a function of nanobeam spacing, demonstrating that a differential wavelength shift of 70 nm between the two modes is possible while maintaining Q factors greater than 10(6). For both on substrate and freestanding nanobeams, we experimentally monitor the response of the even mode as the gap is varied, and measure Q factors as high as 2x10(5).

引用

页数：3

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