Modeling of NRD guide beam lead diode devices for millimeter-wave applications

In this paper, efficient optimal design approaches based on mosaic optimization concept are developed for NRD guide devices to realize the high-performance compact millimeter-wave integrated circuit. Binary representation-based genetic algorithm, differential evolution algorithm, harmony search algorithm, firefly algorithm, and particle swarm optimization are developed to efficiently optimize the pixel pattern in the design region of NRD guide devices. To demonstrate the usefulness of these populationbased optimizations, a comparative study based on the problem-solving success rate is conducted first. To carry out this study, four NRD circuit components are designed which include low crosstalk waveguide crossing, T-branch power splitter, bending waveguide, and frequency demultiplexer. The proposed optimal devices achieve high transmission efficiencies greater than 99.9%, 49.9%:49.9%, 99.9% at 60 GHz and 96.4%, 98.5% at 59 GHz and 61 GHz. In addition, the same NRD guide components except frequency demultiplexer are also designed at wideband operation and achieve broad bandwidth around 5 GHz, 4 GHz, and 3 GHz. In order to improve the computational efficiency, the originally developed two-dimensional full vectorial finite element method is employed for the numerical simulations. This paper demonstrates the detailed implementation procedure of developed evolutionary approaches for the material distribution in the design region f NRD guide devices, comparative study of developed optimization approaches, and proposed highly attributed NRD circuit components for the realization of NRD based high-performance compact millimeter-wave circuit.INDEX TERMS Genetic algorithm, particle swarm optimization, differential evolution, harmony search, firefly algorithm, full-vectorial finite element method, non-radiative dielectric waveguide (NRD guide)

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Mosaic Based Optimization of NRD Guide Devices Using Binary Evolutionary Approaches and 2D-FVFEM

Bashir

Morimoto

Iguchi

et al. 2022

IEEE Access

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Full-wave nonlinear analysis of nonradiative dielectric guide circuits including lumped elements

Pathak

Basu

Koul

2006

IEEE Trans. Microwave Theory Techn.

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Modeling of NRD guide beam lead diode devices for millimeter-wave applications

Cited by 2 publications

References 2 publications

Mosaic Based Optimization of NRD Guide Devices Using Binary Evolutionary Approaches and 2D-FVFEM

Mosaic Based Optimization of NRD Guide Devices Using Binary Evolutionary Approaches and 2D-FVFEM

Full-wave nonlinear analysis of nonradiative dielectric guide circuits including lumped elements

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