We report a TM-guided to TE-radiation mode converter in electro-optic (EO) annealed proton-exchanged, 23.6-µm-period PPLN waveguides at 1550-nm band. Over 80%/cm mode-conversion efficiency was obtained with this device at 28oC with ~8 V/µm EO field.

© 2010 Optical Society of America

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