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We present the design of 8-channel, 100 GHz Si3N4 based AWGs applying our proprietary AWG-Parameters tool. This tool was already used in various silica based AWG designs and also technologically verified. The designed AWGs were simulated by two commercial photonics tools and the achieved transmission characteristics were evaluated. The AWGs were designed for TM-polarized light with a central wavelength...
In this paper we investigate optical properties of 1×16 splitters based on Y-branch and MMI approaches. These splitters were designed, simulated and the obtained results of both approaches were studies and compared with each other. Additionally, we will show that the used standard waveguide core size (usually 6 × 6 µm2 to match the diameter of the single mode input/output fibers, i.e. to keep the...
In this paper we present the position method to correct the channel spacing between the transmitted channels of an AWG. The developed position method was applied to 20-ch 200 GHz AWG and the achieved results confirm very good correlation between required channel spacing (200 GHz) and the channel spacings calculated from simulated AWG transmission characteristics.
We present the design and simulation of low loss 1 × 64 Y-branch optical splitter having the symmetric splitting ratio and small footprint. This was reached by optimizing the used waveguide structure that eliminates the presence of the first mode, causing the asymmetric splitting ratio of the split power over all the output waveguides. This way we were able to reduce the length of the splitter to...
A new design of low loss and high uniformity multimode interference (MMI) splitter is realized by applying an exponential taper in front of the multimode section. Additionally, such splitter is able to operate in a wide wavelength band.
The ever-increasing capabilities of high- performance optical chips, combined with a continuous trend towards miniaturization has made designing them a more and more complex task. A further difficulty is added by the fact that technology in the optics sector is not as well developed as that in standard microelectronics, which means designers of optical chips are bound by more technological constraints...
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