Christopher Fludger
25Patents
7h-index
44Co-inventors
69Inventor score
Filing activity: Sep 1, 2000 → Nov 2, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9991953B1 | Transmitter self-calibration of time delay and frequency response for high baud-rate QAM transceivers | Electricity | 49 | Active |
| US6452716B1 | Amplitude modulation of a pump laser signal in a distributed raman amplifier | Electricity | 33 | Expired |
| US7209670B2 | Polarization diversity receiver for optical transmission system | Electricity | 19 | Expired |
| US10720995B1 | Unequal spacing on multilevel signals | Electricity | 9 | Active |
| US7272327B2 | Multi-detector detection of optical signals | Electricity | 8 | Expired |
| US7680420B1 | Optical E-field modulation using a directly driven laser | Electricity | 8 | Active |
| US9735888B2 | Control of LO signal frequency offset between optical transmitters and receivers | Electricity | 8 | Active |
| US6674566B2 | Raman amplification | Electricity | 6 | Expired |
| US9876566B1 | Optical transceiver compensation, monitoring and alarming | Electricity | 4 | Active |
| US11101890B2 | Unequal spacing on multilevel signals | Electricity | 3 | Active |
| US8655196B2 | Phase control circuit and method for optical receivers | Electricity | 2 | Active |
| US6556343B1 | Optical fiber device | Electricity | 2 | Expired |
| US6624928B1 | Raman amplification | Electricity | 2 | Expired |
| US11018777B2 | Digital resampling method and apparatus | Electricity | 1 | Active |
| US9419726B2 | Clock recovery for optical transmission systems | Electricity | 1 | Active |
| US11550547B2 | Random noise generation | Electricity | 1 | Active |
| US9935720B2 | Control of LO signal frequency offset between optical transmitters and receivers | Electricity | 1 | Active |
| US9967027B2 | Optical transceiver compensation, monitoring and alarming | Electricity | 1 | Active |
| US12047163B2 | Out-of-band communication channel for point-to-multi-point communications | Electricity | 0 | Active |
| US10122470B2 | Clock recovery for optical transmission systems | Electricity | 0 | Active |
| US11950031B2 | Transmission impairment compensation in point-to-multipoint communication systems | Electricity | 0 | Active |
| US12057934B2 | Methods and apparatus for sub-carrier interleaving to improve overall forward error correction | Electricity | 0 | Active |
| US11424833B2 | Digital resampling method and apparatus | Electricity | 0 | Active |
| US10491295B2 | Optical transceiver compensation, monitoring and alarming | Electricity | 0 | Active |
| US12381648B2 | Probabilistic constellation shaping for point-to-multipoint optical fiber communication systems employing subcarriers | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.