An ultra-short 1x2 double-wavelength optical power splitter for 1310/1550-nm operation based on photonic crystal multimode interference

Wei Li; Xu-ming Xu; Yu-ping He; Ling Tao

doi:10.1117/12.851551

2 December 2009 An ultra-short 1×2 double-wavelength optical power splitter for 1310/1550-nm operation based on photonic crystal multimode interference

Wei Li, Xu-ming Xu, Yu-ping He, Ling Tao

Author Affiliations +

Proceedings Volume 7631, Optoelectronic Materials and Devices IV; 76312J (2009) https://doi.org/10.1117/12.851551
Event: Asia Communications and Photonics, 2009, Shanghai, Shanghai , China

Abstract

In this paper, we design a ultra-short 1×2 1310/1550 nm double-waveguide optical power splitter based on photonic crystal multimode interference. The device can be used to divide the input beam equally for both 1310nm and 1550nm at the same time. The total multimode waveguide length of this device is only about 13 μm, which is one 210th of the conventional dielectric counterparts reported. On the basis of the guided mode propagation analysis method, the self-imaging effect is discussed for the case of symmetric incidence. The finite-difference time-domain method is used to simulate the propagation of the beam in the multimode interference. The results show that the repetitive appearances of single image and twofold image of the input field occur alternatively in this device.

Citation Download Citation

Wei Li, Xu-ming Xu, Yu-ping He, and Ling Tao "An ultra-short 1×2 double-wavelength optical power splitter for 1310/1550-nm operation based on photonic crystal multimode interference", Proc. SPIE 7631, Optoelectronic Materials and Devices IV, 76312J (2 December 2009); https://doi.org/10.1117/12.851551

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