A compact polarization splitter utilizing directional coupler with left-handed material |
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| Authors: | Tingting Tang Wenli Liu Xiujun He Xiuying Gao |
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| Institution: | College of Optoelectronic Technology, Chengdu University of Information Technology, Chengdu 610225, China |
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| Abstract: | A compact polarization splitter (PS) with left-handed material (LHM) sandwiched between two right-handed material (RHM) waveguides of a directional coupler (DC) is proposed. Its operation is by setting the coupling length of TM polarization be half that of TE polarization. Theoretic analysis exhibits that the PS with a very small size of 138.4 μm × 18.6 μm can be realized due to the inclusion of LHM even when the RHM with small birefringence is used. |
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