Experimental demonstration of a high quality factor photonic crystal microcavity

被引：158

作者：

Srinivasan, K ^{[1
]}

Barclay, PE

Painter, O

Chen, JX

Cho, AY

Gmachl, C

机构：

[1] CALTECH, Dept Appl Math, Pasadena, CA 91125 USA

[2] Bell Labs, Lucent Technol, Murray Hill, NJ 07974 USA

来源：

APPLIED PHYSICS LETTERS | 2003年 / 83卷 / 10期

关键词：

D O I：

10.1063/1.1606866

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Subthreshold measurements of a photonic crystal (PC) microcavity laser operating at 1.3 mum show a linewidth of 0.10 nm, corresponding to a quality factor (Q)similar to1.3x10(4). The PC microcavity mode is a donor-type mode in a graded square lattice of air holes, with a theoretical Qsimilar to10(5) and mode volume V(eff)similar to0.25 cubic half-wavelengths in air. Devices are fabricated in an InAsP/InGaAsP multi-quantum-well membrane and are optically pumped at 830 nm. External peak pump power laser thresholds as low as 100 muW are also observed. (C) 2003 American Institute of Physics.

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页码：1915 / 1917

页数：3

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