Spectroscopy, Modeling, and Performance of Erbium-Doped Ta2O5 Waveguide Amplifiers

被引：20

作者：

Subramanian, Ananth Z. ^{[1
]}

Murugan, G. Senthil ^{[1
]}

Zervas, Michalis N. ^{[1
]}

Wilkinson, James S. ^{[1
]}

机构：

[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2012年 / 30卷 / 10期

基金：

英国工程与自然科学研究理事会;

关键词：

Erbium; integrated optics; optical amplifiers; rib waveguides; waveguide components; OPTICAL AMPLIFICATION; UP-CONVERSION; GAIN; NM; FABRICATION; SCATTERING; LASER;

D O I：

10.1109/JLT.2012.2185925

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The design, fabrication, spectroscopic characterization, and performance of an Er:Ta2O5 rib waveguide amplifier is described. Rib waveguides with low loss (< 0.65 dB/cm at 1600 nm) were obtained. Their absorption spectrum was measured and McCumber theory was employed to obtain the emission spectrum, leading to the absorption and emission cross sections. Numerical modeling for gain optimization in Er: Ta2O5 waveguide amplifiers is presented, employing the experimentally determined parameters. Finally, net optical gain of 2.1 dB/cm at 1531.5 nm is demonstrated in a 2.3 cm long Er:Ta2O5 rib waveguide when pumped with 977 nm laser diode, and compared with simulations to deduce the extent of upconversion.

引用

页码：1455 / 1462

页数：8

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