Amplification Properties of Femtosecond Laser-Written Er3+/Yb3+Doped Waveguides in a Tellurium-Zinc Glass

[摘要] We report on the fabrication and characterization of active waveguides in a TeO2-ZnO glass sample doped with Er3+/Yb3+fabricated by direct laser writing with a femtosecond laser delivering 150 fs pulses at 1 kHz repetition rate. The waveguides exhibit an internal gain of 0.6 dB/cm at 1535 nm, thus demonstrating the feasibility of active photonics lightwave circuits and lossless components in such a glass composition.

[学科分类] 光谱学