GHz-bandwidth optical filters based on high-order silicon ring resonators

被引：163

作者：

Dong, Po ^{[1
]}

Feng, Ning-Ning ^{[1
]}

Feng, Dazeng ^{[1
]}

Qian, Wei ^{[1
]}

Liang, Hong ^{[1
]}

Lee, Daniel C. ^{[1
]}

Luff, B. J. ^{[1
]}

Banwell, T. ^{[2
]}

Agarwal, A. ^{[2
]}

Toliver, P. ^{[2
]}

Menendez, R. ^{[2
]}

Woodward, T. K. ^{[2
]}

Asghari, Mehdi ^{[1
]}

机构：

[1] Kotura Inc, Monterey Pk, CA 91754 USA

[2] Telcordia Technol, Red Bank, NJ 07701 USA

来源：

OPTICS EXPRESS | 2010年 / 18卷 / 23期

关键词：

DELAY;

D O I：

10.1364/OE.18.023784

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Previously demonstrated high-order silicon ring filters typically have bandwidths larger than 100 GHz. Here we demonstrate 1-2 GHz-bandwidth filters with very high extinction ratios (similar to 50 dB). The silicon waveguides employed to construct these filters have propagation losses of similar to 0.5 dB/cm. Each ring of a filter is thermally controlled by metal heaters situated on the top of the ring. With a power dissipation of similar to 72 mW, the ring resonance can be tuned by one free spectral range, resulting in wavelength-tunable optical filters. Both second-order and fifth-order ring resonators are presented, which can find ready application in microwave/radio frequency signal processing. (C) 2010 Optical Society of America

引用

收藏

页码：23784 / 23789

页数：6

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