Multiwavelengths DFB waveguide laser arrays in Yb-Er codoped phosphate glass substrate
- 2 April 2003
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 15 (4) , 516-518
- https://doi.org/10.1109/lpt.2003.809306
Abstract
The realization of arrays of 15 distributed feedback lasers integrated on an Er-Yb-doped phosphate glass substrate is reported. A submicronic corrugated grating has been etched on a comb of Ag/sup +/-Na/sup +/ ion exchanged waveguides with varying diffusion aperture width. Robust single frequency emission spectrum are shown, closely gauged on the 25- and 100-GHz International Telecommunications Union grids around 1.535 /spl mu/m with a pump-power threshold of 14 mW and a slope efficiency of 5.7%.Keywords
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