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5 December 2005 Improvements of Mach-Zehnder electro-optic modulator utilizing microring resonator
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Proceedings Volume 6020, Optoelectronic Materials and Devices for Optical Communications; 60200P (2005) https://doi.org/10.1117/12.635050
Event: Asia-Pacific Optical Communications, 2005, Shanghai, China
Abstract
Combined the characteristics of Mach-Zehnder interferometer (MZI) with the advantages of microring resonator, a new and simple method for improving the performance of MZI electro-optic modulators (EOMs) is proposed. Using the coupled-mode theory and transfer matrix method, the transfer function of the device is analyzed and parameters are optimized. Numerical results demonstrate that Q-factor exceeding 1x104 and modulator bandwidth above 40Gbit/s is achieved by choosing the proper microring radius. And the 3rd-order nonlinear harmonic distortion of the modulator curve is cancelled and linear range higher than 90% is obtained by setting biasing point and choosing coupling coefficients. Compare with the single ring structure, performances of the designed device can be improved further by integrating multiple microring resonators.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xiaowei Dong, Li Pei, Wei Jian, and Shui-sheng Jian "Improvements of Mach-Zehnder electro-optic modulator utilizing microring resonator", Proc. SPIE 6020, Optoelectronic Materials and Devices for Optical Communications, 60200P (5 December 2005); https://doi.org/10.1117/12.635050
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