High efficiency quasi-phasematched frequency doubling waveguides in KTiOPO4 fabricated by electric field polingQ. ChenW.P. Risk1996Electronics LettersPaper
Periodically Poled KTiOPO4: A "New" Nonlinear Material for Bulk XnteractionsQibiao ChenW.P. Risket al.1995ASSL 1995Conference paper
Periodic poling of KTiOPO4using an applied electric fieldQ. ChenW.P. Risk1994Electronics LettersPaper