University of Twente Student Theses


Automated 120° MMI Based Downconverter Design

Meuleman, Jelmer David (2022) Automated 120° MMI Based Downconverter Design.

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Abstract:In this work the automated numerical design of an 120° MMI-based downconverter is discussed. A program has been made which is able to quickly estimate the output of thousands MMI’s based on one simulated Poynting field. A figure of merit has been defined to, after simulation in multiple dimensions, characterise the performance of the estimated MMI outputs and to select the dimensions with the optimal performance. An MMI in Al2O3 was autonomously designed and optimised in approximately eight hours. The average phase error after calibration went as low as 0.08° for a noiseless system and stayed below 1° for systems with an SNR above 45 dB.
Item Type:Essay (Bachelor)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Subject:02 science and culture in general, 30 exact sciences in general, 33 physics, 50 technical science in general, 53 electrotechnology
Programme:Electrical Engineering BSc (56953)
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