Sundas Amin

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Multimode Interference Devices (MMI) play an important role in optical switches and power splitters. The MMI work on the formation of self-images of any input optical field at various distances along the optical axis of MMI. The length Lπ is an important parameter to calculate the distances where these self-images will be formed. In this paper we(More)
Although the equilibrium model has been the basis of the simulation of distillation columns, its shortcomings are well known. The model is based on the assumption that both phases leaving a stage are in thermal and material equilibrium. In practice equilibrium is rarely attained since mass and heat transfer are actually rate processes that are driven by the(More)
Multimode interference effect and the principle of self-imaging can be exploited to create optical devices like couplers, splitters and filters. MMI devices have gained more importance in the past few years and have proved to perform better than other optical devices. This paper discusses the phenomenon of self-imaging, which is the replication of input(More)
In this paper, the mode coupling between a single-mode waveguide and a Multi-Mode Interference (MMI) waveguide is analyzed under two conditions. First, mode coupling efficiency vs. the distance between two waveguides is calculated while only direct phase matching condition between various modes is in effect. In the second case a Bragg grating is introduced(More)
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