Design of novel polarization beam splitter in two-dimensional photonic crystal

We present the design and the simulation of an ultracompact high efficiency polarization beam splitter (PBS) based on the properties of the light waves propagating in straight waveguide and composite structure photonic crystal. The splitting properties of the PBS are numerically simulated and analyzed by using the plane wave expansion (PWE) method and finite difference time domain (FDTD) method. The PBS consists of three parts, namely, input waveguide, beam structure and output waveguide. It is shown that a high efficiency and a large separating angle for TE mode and TM mode can be achieved. Owing to these excellent features, including small size and high rate, the PBS makes a promising candidate in the future photonic integrated circuits.

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Made available in DSpace on 2010-09-07T13:10:29Z (GMT). No. of bitstreams: 1 Design of novel polarization beam splitter in two-dimensional photonic crystal.pdf: 840385 bytes, checksum: 5db662b55d0c67344299c9ec3afbe3ab (MD5) Previous issue date: 2010

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