Multiple-scale analysis of optical bistability in semiconductor periodic structures

Aghaie, Kiarash Zamani; Rabbani, Mahdi; Shahabadi, Mahmoud

doi:10.1364/josab.24.000887

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2010

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“…Different methods have been used to analyze optical bistable elements which are mainly intended to analyze structures with one-dimensional (1D) periodicity [2][3][4] ; however, the Coupled Mode Theory (CMT) seems to be a good candidate for two-dimensional (2D) and three-dimensional (3D) structure in terms of speed and accuracy. Actually, the CMT has been proved to provide the same result as Finite-Difference Time-Domain (FDTD) for ordinary structures 5 .…”

Section: Introductionmentioning

confidence: 99%

Optimum operation of single cavity photonic switches

Naqavi¹,

Haghdoost²,

Edalatipour³

et al. 2010

SPIE Proceedings

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In this work, an optimum frequency is found for the operation of single cavity photonic switches. At this optimum point, the transmission contrast of ON and OFF states takes its highest value, while keeping the device power threshold relatively low and the device speed acceptably high. Then, the dynamic behavior of a typical single cavity all optical switch is investigated in the optimum operation point through temporal Coupled Mode Theory. Switching speed and power are discussed, and the device is shown to be applicable for telecommunication and data processing applications. The analysis is quite general, and can be used for resonant structures, such as photonic crystals and microring resonators, in both side coupled and direct coupled configurations.

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