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Multiwavelengths DFB waveguide laser arrays in Yb-Er codoped phosphate glass substrate

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4 Author(s)
Blaize, S. ; Lab. de Nanotechnologie et d'Instrum. Opt., Troyes, France ; Bastard, L. ; Cassagnetes, C. ; Broquin, J.E.

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 μm with a pump-power threshold of 14 mW and a slope efficiency of 5.7%.

Published in:

Photonics Technology Letters, IEEE  (Volume:15 ,  Issue: 4 )