Light-induced self-written waveguides based on NaYF4/polymer composites for the C-band amplification

Xiaojie Xue; Weiqing Gao; Takenobu Suzuki; Yasutake Ohishi

doi:10.1117/12.2038846

7 March 2014 Light-induced self-written waveguides based on NaYF₄/polymer composites for the C-band amplification

Xiaojie Xue, Weiqing Gao, Takenobu Suzuki, Yasutake Ohishi

Proceedings Volume 8982, Optical Components and Materials XI; 89821W (2014) https://doi.org/10.1117/12.2038846
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

We successfully synthesized Er³⁺/Yb³⁺/Ce³⁺-codoped cubic phase NaYF₄ nanocrystals with the size of ∼14 nm by a solvothermal method. Under the excitation of a 976 nm laser diode, the as-prepared nanocrystals showed strong 1530 nm emissions and weak visible emissions. With the addition of Yb³⁺ ions, both visible and near-infrared emissions of Er³⁺ were enhanced. The addition of Ce³⁺ ions can effectively quench the visible emissions and increase the population of electrons on the ⁴I_13/2 of Er³⁺ ions, further enhance the 1530 nm near-infrared emissions. The doping concentrations of lanthanide ions were carefully adjusted. It was found that the NaYF₄ nanocrystals doped with 1% Er³⁺, 10%Yb³⁺, and 10%Ce³⁺ showed the most intense 1530 nm emissions. By dispersing the as-prepared nanocrystals in bisphenol A ethoxylate diacrylates (BPAEDA), the transparent nanocrystals doped polymer composite materials were prepared. By using the technique of light-induced self-written waveguide fabrication, NaYF₄ nanocrystals doped waveguides with the length of 20 mm were prepared. Under the excitation of a 976 nm laser, the green visible light was observed from the waveguide devices.

Citation Download Citation

Xiaojie Xue, Weiqing Gao, Takenobu Suzuki, and Yasutake Ohishi "Light-induced self-written waveguides based on NaYF₄/polymer composites for the C-band amplification", Proc. SPIE 8982, Optical Components and Materials XI, 89821W (7 March 2014); https://doi.org/10.1117/12.2038846

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