L. Becouarn et al., Second harmonic generation of CO2 laser using thick quasi-phase-matched GaAs layer grown by hydride vapour phase epitaxy, ELECTR LETT, 34(25), 1998, pp. 2409-2410
The growth of a 100 mu m thick GaAs layer with antiphase domains (APDs) by
hydride vapour phase epitaxy on a diffusion bonded stack as the template su
bstrate is reported. The domains are preserved during the growth with strai
ght and vertical boundaries. Second harmonic generation from a CO2 laser wa
s generated and used to assess the nonlinear efficiency of the template.