Fiber-optic Mach-Zehnder interferometer measuring electro-optic coefficients of poled polymers

Yi-Ping Wang; Jian-Ping Chen; Xin-Wan Li; Jian-Xun Hong; Ai-Lun Ye

doi:10.1117/12.572411

31 January 2005 Fiber-optic Mach-Zehnder interferometer measuring electro-optic coefficients of poled polymers

Yi-Ping Wang, Jian-Ping Chen, Xin-Wan Li, Jian-Xun Hong, Ai-Lun Ye

Proceedings Volume 5624, Semiconductor and Organic Optoelectronic Materials and Devices; (2005) https://doi.org/10.1117/12.572411
Event: Asia-Pacific Optical Communications, 2004, Beijing, China

Abstract

It is proposed and demonstrated that the fiber-optic Mach-Zehnder (MZ) interferometry can measure accurately the elector-optic (EO) coefficients of, not only the polymer thin film, but also the polymer waveguide. Furthermore, the tensor components, both r₁₃ and r₃₃, of the EO coefficient can be measured simultaneously. In contrast with the free space MZ interferometer, the fiber-optic MZ interferometer owns some advantages, such as fewer devices, simple experiment configuration, easy operation, and good stability. The most outstanding advantage is that the second electrode need not be fabricated on the top of the polymer thin film. So, the measurement system is especially suitable to measure E-O coefficients of the polymer samples on trial. The closed loop control system of the phase bias of the MZ interferometer decreases the requirement of the environment stability and increases the measurement precision.

Citation Download Citation

Yi-Ping Wang, Jian-Ping Chen, Xin-Wan Li, Jian-Xun Hong, and Ai-Lun Ye "Fiber-optic Mach-Zehnder interferometer measuring electro-optic coefficients of poled polymers", Proc. SPIE 5624, Semiconductor and Organic Optoelectronic Materials and Devices, (31 January 2005); https://doi.org/10.1117/12.572411

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