Generation of entangled TEM<sub>01</sub> modes with periodically poled KTiOPO<sub>4</sub> crystal

Generation of entangled TEM₀₁ modes with periodically poled KTiOPO₄ crystal

Yang Rong-Guo^{1, 2, †,}, Wang Jing-jing², Zhang Jing^{1, 2}, Sun Heng-Xin^{1, 3}

The layout of experimental setup. BS1, BS2: beamsplitters, M: mirror, PZT1, PZT2: piezoelectric devices, D1, D2: detectors, SA1, SA2: spectrum analyzers, RF1, RF2: radio frequency signals, OS: oscilloscope.