Measurement for polarization mode dispersion of LiNbO3 integrated waveguide modulator used white light interferometry

Zhangjun Yu; Feng Peng; Jun Yang; Ai Zhou; Shuai Liang; Yonggui Yuan; Bing Wu; Yu Zhang; Zhihai Liu; Libo Yuan

doi:10.1117/12.2194662

28 September 2015 Measurement for polarization mode dispersion of LiNbO₃ integrated waveguide modulator used white light interferometry

Zhangjun Yu, Feng Peng, Jun Yang, Ai Zhou, Shuai Liang, Yonggui Yuan, Bing Wu, Yu Zhang, Zhihai Liu, Libo Yuan

Author Affiliations +

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 963452 (2015) https://doi.org/10.1117/12.2194662
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

We present a method to measure the polarization mode dispersion (PMD) of the LiNbO₃ multifunctional integrated waveguide modulator (MFIWM) which is consist of a Y-waveguide, two extended polarization maintaining (PM) fibers, lead-in PM pigtail and lead-out PM pigtail. This method is based on an all-fiber time-domain scanning white light interferometer and utilizes fast Fourier transform (FFT) technology to obtain interferometric phase. The PMD of each part of MFIWM was measured and distinguished accurately. It’s demonstrated that, the PMD of Y-waveguide is 13.5 ps/nm/km@1555nm which is approximately 40~160 times of the PMD of PM fibers in the MFIWM under test.

Citation Download Citation

Zhangjun Yu, Feng Peng, Jun Yang, Ai Zhou, Shuai Liang, Yonggui Yuan, Bing Wu, Yu Zhang, Zhihai Liu, and Libo Yuan "Measurement for polarization mode dispersion of LiNbO₃ integrated waveguide modulator used white light interferometry", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 963452 (28 September 2015); https://doi.org/10.1117/12.2194662

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