Abstract

We describe a novel pulse-delayed scheme to realize degenerate optical parametric amplification in χ⁽³⁾ planar waveguides. The scheme utilizes two identical birefringent plates placed before and after a χ⁽³⁾ planar waveguide to implement a single-arm, pulse-multiplexed nonlinear Mach–Zehnder interferometer. Using this scheme, we demonstrate ultrafast degenerate optical parametric amplification in AlGaAs waveguides.

© 1996 Optical Society of America

Tunable picosecond mid-infrared pulses generated by optical parametric generation/amplification in MgO:LiNbO₃ crystals

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