Polarisation Multiplex Systems TRIZ Cases
- OSNR Measurement via Spectral Correlation Density
Spectral correlation density functions measure optical signal-to-noise ratios using frequency component correlations.
- OSNR Measurement Discriminating NLE Deformations from ASE Noise
Discriminate non-linear spectral deformations from additive noise using reference signal matching to improve OSNR measurement accuracy.
- Coherent Optical Mixer Circuit Phase Error Evaluation
A coherent optical mixer circuit measures phase error using monitor waveguides and a multimode interference structure.
- Unified MIMO Equalization for Digital Coherent Optical Transmission
A unified 2x2 MIMO equalization circuit processes real and imaginary signal components to reduce computational complexity in digital coherent optical transmission.