<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The paper deals with the design of an analog circuit to substitute the role of a real intensity Mach-Zehnder modulator for the preliminary tuning of bias controllers. The proposed circuit has similar harmonic distortion as an electro-optic modulator biased around the quadrature operating point. The designed device utilizes a shaping circuit based on a differential pair of bipolar junction transistors. The harmonic distortion of both the Mach-Zehnder intensity modulator and the differential amplifier are analysed. A method to design the emulating circuit of desired features is described and explained and a the comparison of the measured results to the theory is presented.</p></abstract>

The paper deals with the design of an analog circuit to substitute the role of a real intensity Mach-Zehnder modulator for the preliminary tuning of bias controllers. The proposed circuit has similar harmonic distortion as an electro-optic modulator biased around the quadrature operating point. The designed device utilizes a shaping circuit based on a differential pair of bipolar junction transistors. The harmonic distortion of both the Mach-Zehnder intensity modulator and the differential amplifier are analysed. A method to design the emulating circuit of desired features is described and explained and a the comparison of the measured results to the theory is presented.

Emulator of harmonic distortion of bias port of the mach-zehnder intensity modulator

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The paper deals with the design of an analog circuit to substitute the role of a real intensity Mach-Zehnder modulator for the preliminary tuning of bias...

Emulator of harmonic distortion of bias port of the mach-zehnder intensity modulator

Published Online: Jul 28, 2018

Page range: 212 - 218

Received: Nov 10, 2017

DOI: https://doi.org/10.2478/jee-2018-0028

Keywords
circuit emulation, electro-optic modulator, harmonic analysis, harmonic distortion, intensity modulation

© 2018 Jiri Svarny, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Emulator of harmonic distortion of bias port of the mach-zehnder intensity modulator

Published Online: Jul 28, 2018

Page range: 212 - 218

Received: Nov 10, 2017

DOI: https://doi.org/10.2478/jee-2018-0028

Keywordscircuit emulation, electro-optic modulator, harmonic analysis, harmonic distortion, intensity modulation

© 2018 Jiri Svarny, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
circuit emulation, electro-optic modulator, harmonic analysis, harmonic distortion, intensity modulation