An Optical Parametric Amplifier via ${\chi }^{(2)}$ in AlGaAs Waveguides

Zhizhong Yan, Haoyu He, Han Liu +6

We report parametric gain by utilizing ${\chi }^{(2)}$ non-linearities in a semiconductor Bragg Reflection Waveguide (BRW) waveguide chip. Under the two-mode degenerate type II phase m…