Lianshan Yan
16Patents
8h-index
19Co-inventors
69Inventor score
Filing activity: Sep 4, 2001 → Nov 24, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7067795B1 | Methods and systems for dynamic control of polarization of an optical signal | Electricity | 46 | Expired |
| US7436569B2 | Polarization measurement and self-calibration based on multiple tunable optical polarization rotators | Physics | 26 | Active |
| US6975454B1 | Variable polarization-dependent-loss source | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7227686B1 | Tunable PMD emulators and compensators | Physics | 16 | Expired |
| US7035538B2 | Monitoring optical dispersion based on vestigial side band optical filtering | Electricity | 15 | Expired |
| US7206517B1 | Monitoring and in-line compensation of polarization dependent loss for lightwave systems | Electricity | 11 | Expired |
| US8073326B2 | Optical polarization division multiplexing in optical communication | Electricity | 11 | Active |
| US6654103B2 | Compensation and control of both first-order and higher-order polarization-mode dispersion | Electricity | 8 | Expired |
| US7693419B1 | Optical spectrum analysis using optical interferometry | Electricity | 8 | Active |
| US7945130B2 | Mode scrambling apparatus for multimode fiber | Physics | 8 | Active |
| US7723670B1 | Optical differential group delay module with folded optical path | Physics | 7 | Active |
| US7952711B1 | Waveplate analyzer based on multiple tunable optical polarization rotators | Physics | 4 | Active |
| US7724435B1 | Importance sampling techniques based on adjustable differential group delay (DGD) elements | Physics | 3 | Active |
| US11860411B2 | Super-compact arrayed waveguide grating (AWG) wavelength division multiplexer based on sub-wavelength grating | Physics | 0 | Active |
| US12101392B2 | Coherent detection-based high-speed chaotic secure transmission method | Electricity | 0 | Active |
| US12326514B2 | Integrated photonics millimeter wave (MMW) radar communication system based on analog phase modulation scheme | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.