Synthesis of two-dimensional photonic crystals for large band gaps

Yi-Kuan Liao; Yean-Woei Kiang; C. C. Yang

doi:10.1117/12.635638

5 December 2005 Synthesis of two-dimensional photonic crystals for large band gaps

Yi-Kuan Liao, Yean-Woei Kiang, C. C. Yang

Proceedings Volume 6020, Optoelectronic Materials and Devices for Optical Communications; 602017 (2005) https://doi.org/10.1117/12.635638
Event: Asia-Pacific Optical Communications, 2005, Shanghai, China

Abstract

For a photonic crystal, the larger the photonic band gap (PBG), the greater the bandwidth for manipulating the optical wave propagation. Therefore, to enlarge the photonic band gaps would be an important research topic. In this paper, we adopt the simulated annealing (SA) algorithm to synthesize two-dimensional photonic crystals for large band gaps. The SA is an iterative procedure and its probabilistic nature provides an opportunity to escape from the local minima and to reach the global minimum in a nonlinear optimization problem. To speed up the numerical calculations, we also use the fast plane wave expansion method for calculating the band diagram of a photonic crystal at each iteration step of the SA procedure. Numerical simulations are carried out to demonstrate the feasibility and effectiveness of our synthesis algorithms.

Citation Download Citation

Yi-Kuan Liao, Yean-Woei Kiang, and C. C. Yang "Synthesis of two-dimensional photonic crystals for large band gaps", Proc. SPIE 6020, Optoelectronic Materials and Devices for Optical Communications, 602017 (5 December 2005); https://doi.org/10.1117/12.635638

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