Widely Tunable Wavelength-Selective Reflector Using Polymer Waveguide Double-Ring-Resonator Add/Drop Filter and Loop-back Mirror

被引：5

作者：

Lee, Ho ^{[1
]}

Kim, Gun-Woo ^{[1
]}

Park, Jun-Oh ^{[1
]}

Kim, Su-Hyun ^{[1
]}

Chung, Youngchul ^{[1
]}

机构：

[1] Kwangwoon Univ, Dept Elect & Commun Engn, Seoul 139701, South Korea

来源：

JOURNAL OF THE OPTICAL SOCIETY OF KOREA | 2008年 / 12卷 / 03期

关键词：

Ring resonators; add/drop filters; polymer waveguides; wavelength-selective reflectors; tunable lasers;

D O I：

10.3807/JOSK.2008.12.3.157

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A wavelength-selective reflector, composed of a double-ring-resonator add/drop filter and a loop-back mirror at the drop port to be used for a hybrid-integrated tunable laser is designed and fabricated. High-index-contrast polymer waveguide is used to realize a compact device as small as 2 nun x 0.4 mm. The radii of the rings are slightly different from each other to obtain a wide wavelength tuning via, a vernier effect. Peak reflectivity is measured to be 52% for TE mode and polarization-dependent wavelength shift is 0.95 nm. The tuning range is measured to be about 42 nm for applied current as small as 46 mA.

引用

页码：157 / 161

页数：5

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