Digital optical converter4/14/2023 For better transmission, additional GaN ring resonators can be placed in the structure so that it can support the sampling rate of 220 GS/s with a resolution of 880KS. By creating a cavity in the proposed design, an operation speed of 1 Ts and a footprint of 42 µm 2 can be achieved, causing significant improvements compared to previous designs. Reviewing the relevant literature can make it clear that a delay time of 5 ps and a footprint of 1520 μm can be achieved by controlling the resonance modes. The coder structure that consists of input and output ports can be controlled by controlling such elements as radius and refractive index and sometimes creating cavities in the structure. The optical discretizer located at the input and designed as a combination of rods and ring resonators is strongly influenced by the input power due to nonlinear effects. In all the proposed designs, a power and wavelength discretizer and a coder have been used to find the optimal structure with the best specifications. One of the advantages of these converters is the generation of binary codes, which leads to faster data transfer. In the present paper, photonic analog-to-digital converters that are one of the key structures required in integrated optical circuits have been investigated. High transmission speed and efficiency and no interference between optical and electronic signals encourage us to manufacture all-optical devices. Today, one of the most important objectives concerned with integrated optical circuits is to realize all-optical networks.
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