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- W2055929170 abstract "During the last few years, integrated optical waveguide lasers have been demonstrated in a variety of rare earth doped materials. Different techniques were used to fabricate such devices: ion exchange in neodymium doped glass ion implantation in crystals such as Nd:YAG<SUP>2</SUP> and Nd:LiNbO<SUB>3</SUB><SUP>3</SUP>, titanium diffusion in Nd:LiNbO<SUB>3</SUB><SUP>4</SUP>, Er:LiNbO<SUB>3</SUB><SUP>5</SUP>, and Nd:LiTaO<SUB>3</SUB><SUP>6</SUP>, and proton exchange in Nd:MgO:LiNbO<SUB>3</SUB><SUP>7</SUP> and Nd:LiTaO<SUB>3</SUB><SUP>8</SUP>. Due to their electro-optic and nonlinear properties, rare earth doped lithium niobate and tantalate are very attractive for realizing mode-locked and Q-switched devices as well as intracavity frequency doubled sources. Following the success we had in realizing such functions in annealed proton exchanged Nd:MgO:LiNbO<SUB>3</SUB> waveguides, we tried to transpose this technique to Nd:LiTaO<SUB>3</SUB><SUP>8</SUP> which has the reputation of having a higher optical damage threshold than LiNbO<SUB>3</SUB>, and has ben used to produce efficient guided- wave frequency doublers using the periodic domain inversion technique, and Er:LiNbO<SUB>3</SUB> which allows applications in the telecommunication domain. This transposition turns out to be more difficult than expected. In this paper, I will explain these difficulties starting with some information in concerning the proton exchange technique itself. I will then present the results we obtained on the different crystals, to focus the discussion on the reduction of the excited state lifetime induced by the different kinds of proton exchange processes." @default.
- W2055929170 created "2016-06-24" @default.
- W2055929170 creator A5020951090 @default.
- W2055929170 date "1997-05-02" @default.
- W2055929170 modified "2023-09-23" @default.
- W2055929170 title "<title>Proton-exchanged waveguides in rare-earth-doped LiNbO<formula><inf><roman>3</roman></inf></formula> and LiTaO<formula><inf><roman>3</roman></inf></formula> waveguides</title>" @default.
- W2055929170 doi "https://doi.org/10.1117/12.271168" @default.
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