Stimulated emission in Er:Ti:LiNbO/sub 3/ channel waveguides close to 1.53 mu m transition
1991
Fabrication and characterisation of Er:Ti:LiNbO/sub 3/ channel waveguides is reported. A lifetime of 2.4+or-0.2 ms has been measured for the /sup 4/I/sub 13/2/ level. In a pump and probe experiment using a high power InGaAsP laser and a tunable DBR laser, a signal increase of 0.75 dB for a transmitted pump power of 4.8 mW was demonstrated.
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