Spectrally Separable Polarization Entanglement Source for Multiphoton Quantum Networking
Michael B. Grayson, Shawn Meyer, Daniel Sörensen, Markus Allgaier, Nicholas V. Nardelli, Tara M. Fortier, Dileep V. Reddy, Martin J. Stevens, Michael D. Mazurek, Juliet T. Gopinath, Lynden K. Shalm · Quantum 2.0 Conference and Exhibition · 2024
We present an SPDC-based photon pair source utilizing an apodized ppKTP crystal to achieve a near-ideal Schmidt number of 1.0032 ±0.0005, indicating spectrally pure photon pairs, essential for multiphoton quantum communication systems.