Comparative Analysis of Random Unitary Matrix Generators Using Programmable Photonic Circuits
Chun Ren, Ryota Tanomura, Takuo Tanemura · 2025
Photonic integrated random unitary matrix generators based on multiport directional couplers are analyzed. Up to$512 \times 512$matrix with complete Haar randomness is obtained by only three phase shifting layers, significantly reducing number of phase shifters.