Solntsev, AlexanderNeshev, DragomirIliew, RumenPertsch, ThomasSukhorukov, AndreyKivshar, Yuri2015-12-10November 21876346612http://hdl.handle.net/1885/53916We reveal simultaneous phase- and group-velocity matching for frequency doubling of ultra-short pulses at telecom wavelengths in LiNbO3 membranes. Furthermore, we predict complete phase-matched cascaded third-harmonic generation for optimised membrane thickness.Keywords: Frequency-doubling; Group velocities; High efficiency; Membrane thickness; Telecom wavelengths; Third-harmonic generation; Harmonic generation20092016-02-24