Efficient calculations of dispersive properties of phonic crystals using the transmission line matrix method

• Autorzy: Romo G. , Smy T.
• Języki publikacji: EN

Abstrakty

EN

In this paper, we present an analysis of the accuracy and efficiency of different approaches for the simulation of photonic crystals using the transmission line matrix method. The approaches that we present can be divided into two categories: complex- and real-valued algorithms using a uniform mesh, and complex- and real-valued algorthms using a multigrid mesh. The adventages and disadvantages of each approach are discussed and a brief comparision between these methods is made from the points of view of computqtional expense and accuracy. It is found that a combination of a real-valued method in a multigrid mesh results in the most efficient algorithm. However, while the complex-valued formulation is valid for the analysis of any phonic crystal, the applicability of the real-valued formulation is limited by structural constraints requiring cell symmetries. It is also found that a multigrid approach can considerably reduce the computational cost required for simulating phonic crystals and our results indicate that a good compromise between accuracy and computational cost can be found. Various photonic crystals are simulated by applying these approaches, and the results are validated using alternative methods.

Słowa kluczowe

EN

photonic crystals; transmission line matrix (TLM); dispersion relation; multigrid mesh

PL

kryształy fotonowe; relacja dyspersji

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2005
• Tom: Vol. 35, nr 1
• Strony: 139--154
• Opis fizyczny: Bibliogr. 19 poz., wykr.

Twórcy

autor

Romo G.

• Carleton University, Departament of Electronics, Ottawa K1S 5B6, ON, Canada

autor

Smy T.

• Carleton University, Departament of Electronics, Ottawa K1S 5B6, ON, Canada

Bibliografia

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