Self-induced optical modulation of the transmission through a high-Q silicon microdisk resonator

被引：205

作者：

Johnson, TJ ^{[1
]}

Borselli, M ^{[1
]}

Painter, O ^{[1
]}

机构：

[1] CALTECH, Thomas J Watson Sr Lab Appl Phys, Pasadena, CA 91125 USA

来源：

OPTICS EXPRESS | 2006年 / 14卷 / 02期

关键词：

D O I：

10.1364/OPEX.14.000817

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Direct time-domain observations are reported of a low-power, self-induced modulation of the transmitted optical power through a high-Q silicon microdisk resonator. Above a threshold input power of 60 mu W the transmission versus wavelength deviates from a simple optical bistability behavior, and the transmission intensity becomes highly oscillatory in nature. The transmission oscillations are seen to consist of a train of sharp transmission dips of width approximately 100 ns and period close to 1 mu s. A model of the system is developed incorporating thermal and free-carrier dynamics, and is compared to the observed behavior. Good agreement is found, and the self-induced optical modulation is attributed to a nonlinear interaction between competing free-carrier and phonon populations within the microdisk.

引用

页码：817 / 831

页数：15

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