| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Waveguide Mode Splitter Based on Multi-mode Dielectric-Loaded Surface Plasmon Polariton Waveguide |
| CAI Yong-Jing1,2, LI Ming1,2, XIONG Xiao1,2, YU Le1,2, REN Xi-Feng1,2**, GUO Guo-Ping1,2, GUO Guang-Can1,2 |
1Key Lab of Quantum Information, University of Science and Technology of China, Hefei 230026
2Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026
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| Cite this article: |
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CAI Yong-Jing, LI Ming, XIONG Xiao et al 2015 Chin. Phys. Lett. 32 107305 |
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Abstract In photonic integrated circuits, information is usually encoded in the optical path. In this work, based on the multi-mode dielectric-loaded surface plasmon polariton waveguide, we numerically design a directional coupler, which can divide the different waveguide eigenmodes into different optical paths. The results show a possibility to encode information onto different waveguide modes. We also experimentally demonstrate that the splitting ratio of this directional coupler structure can be tuned without changing its size.
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Received: 15 April 2015
Published: 30 October 2015
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| PACS: |
73.20.Mf
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(Collective excitations (including excitons, polarons, plasmons and other charge-density excitations))
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71.36.+c
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(Polaritons (including photon-phonon and photon-magnon interactions))
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78.20.Bh
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(Theory, models, and numerical simulation)
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42.79.Gn
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(Optical waveguides and couplers)
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