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A Polarization Diversity Two-Dimensional Photonic-Crystal Device

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5 Author(s)
Yoshinori Tanaka ; Department of Electronic Science and Engineering, Kyoto University, Kyoto, Japan ; Sei-Ichi Takayama ; Takashi Asano ; Yoshiya Sato
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2-D photonic crystals (2-D PCs) are expected to enable ultrasmall and highly functional photonic devices to be developed. However, 2-D PCs have a large polarization dependency, which can be an important issue depending on the type of application. To address this matter, we propose a method to realize a polarization diversity operation in a PC. Initially, an ultrasmall PC polarization converter that utilizes 45?? tilted airholes is considered. A polarization-independent add-drop filter using this polarization converter is then described, and the operation is experimentally demonstrated.

Published in:

IEEE Journal of Selected Topics in Quantum Electronics  (Volume:16 ,  Issue: 1 )