Analog Polarization Identification for Asymmetric Polarization Modulations in Stokes Space

We propose the analog-polarization-identification for the polarization recovery of asymmetric polarization modulations in Stokes space that avoids the digital MIMO to simplify OSP. We use a newly-designed 3-D DMT/OFDM format to verify the concept in a 227-Gb/s direct detection system.