Optical-fiber-based measurement of an ultrasmall volume high-Q photonic crystal microcavity -: art. no. 081306

被引：106

作者：

Srinivasan, K ^{[1
]}

Barclay, PE ^{[1
]}

Borselli, M ^{[1
]}

Painter, O ^{[1
]}

机构：

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

来源：

PHYSICAL REVIEW B | 2004年 / 70卷 / 08期

关键词：

D O I：

10.1103/PhysRevB.70.081306

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A two-dimensional photonic crystal semiconductor microcavity with a quality factor Qsimilar to40,000 and a modal volume V(eff)similar to0.9 cubic wavelengths is demonstrated. A micron-scale optical fiber taper is used as a means to probe both the spectral and spatial properties of the cavity modes, allowing not only measurement of modal loss, but also the ability to ascertain the in-plane localization of the cavity modes. This simultaneous demonstration of high-Q and ultrasmall V-eff in an optical microcavity is of potential interest in nonlinear optics, optoelectronics, and quantum optics, where the measured Q and V-eff values could enable strong coupling to both atomic and quantum dot systems.

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页码：081306 / 1

页数：4

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