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Epitaxial grown K_1-xRb_xTiOPO_4 films with extremely flat surfaces for waveguiding

机译:外延生长的K_1-XRB_XXTIOPO_4薄膜具有极平坦的波导

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We report on epitaxial{100} K_1-xRb_xTiOPO_4 waveguide films for the visible spectral range grown on KTIOPO_4 substrates by liquid phase epitaxy. Using the m-line technique a refractive index increase of Δn_x≈0.007 and Δn_z≈0.004 for TM and TM and TE polarisation has been determine for a K_0.78Rb_0.22 TiOPO_4 film. Optical transmission and Nearfield distribution are comparable to conventional ion-exchanged waveguides. Typical attenuation of about 1 dB/cm For both TM and TE polarisation was obtained at λ=532 and 1064 nm.
机译:我们通过液相外延在Ktiopo_4基材上生长的可见光谱范围的外延{100} K_1-XRB_XTIOPO_4波导膜报告。使用M线技术对于TM和TM和TM和TE偏振的折射率增加Δn_x≈0.007和Δn_z≈0.004,已经确定了K_0.78RB_0.22 TIOPO_4薄膜。光学传输和近场分布与传统的离子交换波导相当。在λ= 532和1064nm处获得Tm和TE偏振的约1dB / cm的典型衰减。

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