Coupling characteristics of electromagnetic waves in ultra-short parallel between four photonic crystal waveguides and its application

Xu-ming Xu; Wei Li; Ling Tao

doi:10.1117/12.850880

2 December 2009 Coupling characteristics of electromagnetic waves in ultra-short parallel between four photonic crystal waveguides and its application

Xu-ming Xu, Wei Li, Ling Tao

Author Affiliations +

Proceedings Volume 7631, Optoelectronic Materials and Devices IV; 76312L (2009) https://doi.org/10.1117/12.850880
Event: Asia Communications and Photonics, 2009, Shanghai, Shanghai , China

Abstract

We consider the coupling between four photonic crystal waveguide as a multimode interference system and showed that the dispersion curves of the eigenmodes intersect or almost intersect. Degenerate modes appear in the system. At the crossing point, the multimode interference is deprived and power is confined to its input direction without observable transfering to other photonic crystal waveguides. On the basis of these, a wavelength de-multiplexer or multiplexer is designed.

Citation Download Citation

Xu-ming Xu, Wei Li, and Ling Tao "Coupling characteristics of electromagnetic waves in ultra-short parallel between four photonic crystal waveguides and its application", Proc. SPIE 7631, Optoelectronic Materials and Devices IV, 76312L (2 December 2009); https://doi.org/10.1117/12.850880

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