Highly efficient second-harmonic generation in doubly resonant planar microcavities

Liscidini, Marco; Andreani, Lucio Claudio
September 2004
Applied Physics Letters;9/13/2004, Vol. 85 Issue 11, p1883
Academic Journal
A theoretical study of second-harmonic generation in planar microcavities with periodic dielectric mirrors is made. Strong enhancement of the nonlinear conversion is predicted when double resonance for the pump and harmonic fields, as well as phase matching, are achieved. For a given structure design, the finite angle of incidence is used as a tuning parameter and the splitting between cavity modes with different polarizations is used to compensate the material dispersion. Examples are given for GaAs cavities with AlGaAs/Alox dielectric mirrors.


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