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http://dx.doi.org/10.3807/KJOP.2003.14.6.657

2×2 Ti:LiNbO3 optical add/drop multiplexers utilizing tilted film-loaded SAW waveguides  

강창민 (홍익대학교 대학원, 전자전산공학과)
정흥식 (홍익대학교 대학원, 전자전산공학과)
Publication Information
Korean Journal of Optics and Photonics / v.14, no.6, 2003 , pp. 657-662 More about this Journal
Abstract
Optimum Hamming apodized acousto-optic 2${\times}$2 add/drop multiplexers, using SiO$_2$ film loaded acoustic waveguide with angular offset to the Ti:LiNbO$_3$ waveguide, were fabricated. The four-port device consists of two input waveguides, a polarization beam splitter (PBS), two polarization conversion/acoustooptic tuning waveguide sections, a second PBS and two output waveguides. Insertion loss <7.1 ㏈ has been obtained and side-lobe of -19 ㏈ for -32 ㎽ RF driving power has been realized. Add/drop performance has been confirmed and a linear tuning rate of 8.1 nm/MHz and a 3 ㏈ spectral width of -1.5 nm were demonstrated.
Keywords
integrated optical add/drop multiplexer; acousto-optic effect; lithium niobate polarization mode converter; polarization mode splitter; surface acoustic wave;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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