Narrow-band degenerate optical parametric oscillator in periodically poled MgO:LiNbO3 with a volume Bragg grating output coulpler
Peter Koch, Felix Ruebel, Martin Nittmann, Thorsten Bauer, Juergen Bartschke and Johannes A. L’huillier,Conference on Lasers and Electro-Optics, San José, CA, USA, Paper CThY6 (2010).