Improvements of Mach-Zehnder electro-optic modulator utilizing microring resonator

Xiaowei Dong; Li Pei; Wei Jian; Shui-sheng Jian

doi:10.1117/12.635050

5 December 2005 Improvements of Mach-Zehnder electro-optic modulator utilizing microring resonator

Xiaowei Dong, Li Pei, Wei Jian, Shui-sheng Jian

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.

Citation Download Citation

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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KEYWORDS

Microrings

Resonators

Modulators

Modulation

Electrooptic modulators

Distortion

Mach-Zehnder interferometers

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