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http://dx.doi.org/10.3807/JOSK.2008.12.3.157

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

Lee, Ho (Department of Electronics and Communications Engineering, Kwangwoon University)
Kim, Gun-Woo (Department of Electronics and Communications Engineering, Kwangwoon University)
Park, Jun-Oh (Department of Electronics and Communications Engineering, Kwangwoon University)
Kim, Su-Hyun (Department of Electronics and Communications Engineering, Kwangwoon University)
Chung, Young-Chul (Department of Electronics and Communications Engineering, Kwangwoon University)
Publication Information
Journal of the Optical Society of Korea / v.12, no.3, 2008 , pp. 157-161 More about this Journal
Abstract
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 $2mm{\times}0.4mm$. 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.
Keywords
Ring resonators; add/drop filters; polymer waveguides; wavelength-selective reflectors; tunable lasers;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
Times Cited By Web Of Science : 2  (Related Records In Web of Science)
Times Cited By SCOPUS : 1
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