Efficient photoinduced second-harmonic generation in Ce-doped bulk lead germanate glasses is observed. A linear increase of photoinduced second-order nonlinearity with Ce concentration is obtained. The reported glasses can be encoded for frequency doubling with extremely low (as little as 30 W of peak power at 1.064 μm) preparation intensities.
© 1994 Optical Society of America
Original Manuscript: January 21, 1994
Published: July 1, 1994
E. M. Dianov, A. A. Izyneev, and D. S. Starodubov, "Efficient photoinduced second-harmonic generation in Ce-doped lead germanate glasses," Opt. Lett. 19, 936-938 (1994)