Design and fabrication of wide-band LiNbO3 electro-optical modulator

Jianwei Zhou; Junlei Xia; Ruidan Liu; Jiankun Qiao

doi:10.1117/12.2524715

10 May 2019 Design and fabrication of wide-band LiNbO₃ electro-optical modulator

Jianwei Zhou, Junlei Xia, Ruidan Liu, Jiankun Qiao

Proceedings Volume 11068, Second Symposium on Novel Technology of X-Ray Imaging; 110682G (2019) https://doi.org/10.1117/12.2524715
Event: Second Symposium on Novel Technology of X-Ray Imaging, 2018, Hefei, China

Abstract

A Wide-Band LiNbO3 Electro-Optical Modulator was designed and Fabricated. The LiNbO3 integrated optical intensity modulators consist of Mach-Zehnder interferometer optical waveguide circle and coplanar waveguide (CPW) modulation electrode structure. The effects of CPW’s parameter on the transmission performance of microwave by using the finite element method. Experimental results show that the fabricated Modulator obtain insert loss of 3.5dB, the extinction ratio of 30dB, the half-wave voltage of the DC electrode of 4V，the half-wave voltage of the traveling-wave electrode of 5.5V, the power reflection of less than -13dB, the 3dB bandwidth of 18GHz

Citation Download Citation

Jianwei Zhou, Junlei Xia, Ruidan Liu, and Jiankun Qiao "Design and fabrication of wide-band LiNbO₃ electro-optical modulator", Proc. SPIE 11068, Second Symposium on Novel Technology of X-Ray Imaging, 110682G (10 May 2019); https://doi.org/10.1117/12.2524715

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