Abstract
<p>Photonic ring waveguide resonators have great potential applications in wavelength filtering, switching, modulation and multiplexing. The response of coupled ring resonators can be designed by using various coupling configurations. Particularly, ring resonators can be used as wavelength filter when the wavelength fits a whole multiple times in the circumference of the ring. In this paper, we investigate the effect of input amplitude to power amplification in four ring resonator configurations and vary the input amplitude on five different wavelengths. With OptiFDTD Photonics Simulation Software V8.0, the results show the intensity phenomenon of filtering in optical circuit.</p><p> </p>
Highlights
This paper studying the effect of input amplitude to power amplification for all configurations and varies the input amplitude on five different resonant wavelengths
This study is conducted based on five different wavelength; λ = 1.0 μm, λ = 1.25 μm, λ = 1.55 μm, λ = 2.9 μm, λ = 4.25 μm and the input power is set at 1 V/m
The filter is slightly exponential and the gain is high but the wavelength filter is short to be used in practical application as an optical filter
Summary
The solution of Maxwell equations by Finite Difference Time Domain (FDTD) method was proved to be one of the important tools due to its simple implementation in software simulations. This mathematical method was used in a variety of photonics’ studies. In this study we simulated four different ring resonator configurations and vary the input amplitude on five different wavelengths. This paper studying the effect of input amplitude to power amplification for all configurations and varies the input amplitude on five different resonant wavelengths. It is necessity to study the effect of structures on ring resonator since we discovered that power can be distributed while propagating through the structure for various performances.
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