Integrated optical E -field sensor based on balanced Mach-Zehnder interferometer

1 November 2011 Integrated optical E -field sensor based on balanced Mach-Zehnder interferometer

Rong Zeng, Bo Wang, Zhanqing Yu, Ben Niu, Yong Hua

Optical Engineering, Vol. 50, Issue 11, 114404 (November 2011). https://doi.org/10.1117/1.3651809

Abstract

We report here a balanced Mach-Zehnder interferometer-based integrated optical E-field sensors (MZI IOES) configuration, where the output Y-branch is replaced by a 2×2 directional coupler. Based on detailed theoretical and experimental investigations, we prove such IOES configuration has a simple linear transfer function, as well as much improved optical bias control, highly desirable for practical field applications. The optical biases of the fabricated devices deviate from the ideal bias by 3.3°, 7.9°, and 14.5°, respectively. The theoretical analysis and experiment results show that this type of sensor inherits the advantages of a conventional MZI sensor and directional coupler sensor: with a sinusoidal transfer function and a better optical bias.

©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Rong Zeng, Bo Wang, Zhanqing Yu, Ben Niu, and Yong Hua "Integrated optical E -field sensor based on balanced Mach-Zehnder interferometer," Optical Engineering 50(11), 114404 (1 November 2011). https://doi.org/10.1117/1.3651809

Published: 1 November 2011

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