Modelling of quadruple asymmetrical micro optical ring resonator is carried out in this paper and its performance as optical filter is analysed. Unit delay signal processing technique is implemented to model the proposed the proposed configuration in z-domain. MATLAB software is used to determine the free spectral range (FSR), group delay and dispersion characteristic of proposed configuration. Coupler design of the proposed configuration is done using Finite Difference Time Domain (FDTD) method.
A quadruple micro-optical ring resonator (QMORR) with multiple output bus waveguides is mathematically modeled and analyzed by making use of the delay-line signal processing approach in Z-domain and Mason’s gain formula. The performances of QMORR with two output bus waveguides with vertical coupling are analyzed. This proposed structure is capable of providing wider free spectral response from both the output buses with appreciable cross talk. Thus, this configuration could provide increased capacity to insert a large number of communication channels. The simulated frequency response characteristic and its dispersion and group delay characteristics are graphically presented using the MATLAB environment.
Theoretical modeling of vertically coupled triple asymmetrical optical micro ring resonator (VCTAOMRR) is developed using delay line signal processing approach. Frequency response, group delay and dispersion characteristics are evaluated in MATLAB environment. Performance in terms of free spectral range (FSR) and crosstalk of the VCTAOMRR is determined from the performance characteristics. The proposed VCTAOMRR can produce wide FSR in Thz range with very low crosstalk.
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