Ramponi

Enhanced second-harmonic generation in proton-exchanged lithium niobate planar photonic band-gap waveguides

Bowden, Yakovlev, Fedotov, 2002, QELS 2002.

Selective laser excitation of charge-compensated sites in KCl:Sm2+

Wright, Ramponi, 1985, Physical review. B, Condensed matter.