OPTIMAL BINARY PHASE AND AMPLITUDE CORRELATION FILTERS FOR POLARIZATION-ROTATING SPATIAL LIGHT MODULATORS

We investigate the optimal designs of binary phase and amplitude filte rs (BPAFs) for the key correlation metrics of peak intensity, peak-to- correlation energy, SNR, and discrimination. These filters may be impl emented on binary polarization-rotating spatial light modulators. We p resent simulation results comparing performance to conventional binary phase-only filters (BPOFs) and illustrating trade-offs between the di fferent performance criteria in terms of the filter design parameter. We also extend the generalization to three-level phase and amplitude f ilters with a nonzero region of support and demonstrate that optimal t hree-level BPAFs can provide clearly superior performance to optimal t hree-level BPOFs.