Wavelength shift in single MZI as a function of arm length differences

Astharini, Dwi and Rifqi, Muhammad and Samijayani, Octarina Nur (2019) Wavelength shift in single MZI as a function of arm length differences. In: 2018 IEEE 5th International Conference on Engineering Technologies and Applied Sciences (ICETAS). IEEE, Bangkok, pp. 1-4. ISBN 978-1-5386-7966-1

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Abstract

This paper describe the experiment of single Mach Zehnder interferometer for filter application. The filter is formed by single mode fiber structure and 3 dB optical couplers. Mach Zehnder interferometer is basically used to measure relative phase shift between two collimated beams from a coherent light source caused by different length arm. Using this basic principle, the arm length differences are manipulated by cutting one of arms to analyze wavelength shift generated at the output. The experiment result shows the relationship tends to look logarithmic. It has some direct functions for practical fabrication of the filter.

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