[A-3-4] 2f-3f Optical Wavelength Conversion Device with PPLN waveguides K. Hitachi1, A. Ishizawa1, T. Nishikawa1, M. Asobe2, T. Sogawa1 (1.NTT Basic Res. Lab., 2.NTT Photonics Lab. , Japan) https://doi.org/10.7567/SSDM.2012.A-3-4