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arXiv · 1605.06580

Fabrication of polarization-independent single-mode waveguides in lithium niobate crystal with femtosecond laser pulses

Jia Qi·Peng Wang·Yang Liao·Wei Chu·Zhengming Liu·Zhaohui Wang·Lingling Qiao·Ya Cheng
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Abstract

We report on fabrication of depressed cladding optical waveguides buried in lithium niobate crystal with shaped femtosecond laser pulses. Depressed cladding waveguides of variable mode-field sizes are fabricated by forming the four sides of the cladding using a slit-beam shaping technique. We show that the waveguides fabricated by our technique allows single-mode propagation of the light polarized in both vertical and horizontal directions.

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Jia Qi, Peng Wang, Yang Liao, Wei Chu, Zhengming Liu, Zhaohui Wang, Lingling Qiao, Ya Cheng. 2016-05-21. Fabrication of polarization-independent single-mode waveguides in lithium niobate crystal with femtosecond laser pulses. https://arxiv.org/abs/1605.06580

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