Linear electro-optic modulator based on an array of Mach-Zehnder interferometers

ZuZhou Yue; Suning Tang; Ray T. Chen

doi:10.1117/12.307577

5 May 1998 Linear electro-optic modulator based on an array of Mach-Zehnder interferometers

ZuZhou Yue, Suning Tang, Ray T. Chen

Proceedings Volume 3288, Optoelectronic Interconnects V; (1998) https://doi.org/10.1117/12.307577
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

A linearized external electro-optic modulator with a number of parallel Mach-Zehnder interferometers cascaded via directional couplers is proposed. Fast-Fourier-Transform method is used to analyze both the third harmonic spurious signal and the third intermodulation distortion. By adjusting the number of Mach- Zehnder interferometers contained in the modulator, the linearity of the transfer curve of the modulator can be modified while obtaining nearly 100% optical modulating depth. The modulator is based on an innovative domain-interval electro-optic polymer film, where the two arms of each Mach-Zehnder interferometer are inversely poled. As a result, only one driving voltage is required upon a pair of uniform traveling-wave electrodes, for high-speed operation.

Citation Download Citation

ZuZhou Yue, Suning Tang, and Ray T. Chen "Linear electro-optic modulator based on an array of Mach-Zehnder interferometers", Proc. SPIE 3288, Optoelectronic Interconnects V, (5 May 1998); https://doi.org/10.1117/12.307577

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