The negative refraction of the 2D triangular lattice of air hole in silicon

Chaojun Wu; Jun Wu; Tingting Hong; Yanping Li; Ziyu Wang

doi:10.1117/12.840586

26 October 2009 The negative refraction of the 2D triangular lattice of air hole in silicon

Chaojun Wu, Jun Wu, Tingting Hong, Yanping Li, Ziyu Wang

Proceedings Volume 7516, Photonics and Optoelectronics Meetings (POEM) 2009: Optoelectronic Devices and Integration; 75160U (2009) https://doi.org/10.1117/12.840586
Event: Photonics and Optoelectronics Meetings 2009, 2009, Wuhan, China

Abstract

We study numerically the focusing effects when a Gaussian beam pass through a two-dimensional photonic crystal consisting of triangular structure of air holes. By using plane wave expansion (PWE) and finite difference time domain (FDTD) methods, we find the width of convergent beam is about 2μm. Meanwhile, the focusing effects also are influenced by the Gaussian half-width, the numbers of the layers and the incident angle. The structure can be used for light-coupling and near-field scan image application.

Citation Download Citation

Chaojun Wu, Jun Wu, Tingting Hong, Yanping Li, and Ziyu Wang "The negative refraction of the 2D triangular lattice of air hole in silicon", Proc. SPIE 7516, Photonics and Optoelectronics Meetings (POEM) 2009: Optoelectronic Devices and Integration, 75160U (26 October 2009); https://doi.org/10.1117/12.840586

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