Fabrication of periodically-inverted GaAs waveguides for quasi-phase-matching nonlinear optical devices

Description

A process developed for fabricating high-quality periodically-inverted GaAs waveguides based on sublattice reversal epitaxy and regrowth technique is presented. By using this process, we can fabricate low-loss GaAs wavelength conversion devices with /spl sim/ 6 /spl mu/m QPM periods.

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