High Optical Power Performance Of High-Quality LiTa03 Integrated Optical Waveguide Devices

High quality LiTa03 devices capable of operating at high optical power levels are reported. Optical powers of up to 70 mW caused no optical damage at 0.82 μm. The waveguides exhibited high polarization extinction (51 dB), low loss ( < 0.25 dB/cm), low fiber-to-waveguide coupling loss (0.5 dB per junction) at 0.82 μm, and maintained the same r33 coefficient as the bulk.