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Contra-directional coupling between two-dimensional photonic crystal waveguides |
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| Authors: | Min Qiu Marcin Swillo |
| Institution: | Laboratory of Optics, Photonics and Quantum Electronics, Department of Microelectronics and Information Technology, Royal Institute of Technology (KTH), Electrum 229, 16440, Kista, Stockholm, Sweden |
| Abstract: | The contra-directional coupling between two photonic crystal (PC) waveguides is studied, using the finite-difference time-domain (FDTD) method. A design of contra-directional coupler is presented and its transmission properties are investigated. The device can be used as an add/drop filter. It is also shown that the coupled mode theory is suitable to study the photonic crystal waveguide coupler. |
| Keywords: | Contra-directional coupling Finite-difference time-domain (FDTD) Photonic crystals Photonic crystal waveguides |
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