Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11949498 | Optical modulator | Helmut Preisach | 2024-04-02 |
| 11342999 | Method and apparatus for pre-distorting an input signal for an optical transmitter | Soeren Gehrke | 2022-05-24 |
| 9991953 | Transmitter self-calibration of time delay and frequency response for high baud-rate QAM transceivers | Christopher Fludger | 2018-06-05 |
| 9935715 | Calibrating an apparatus supporting pluggable optics | — | 2018-04-03 |
| 9935720 | Control of LO signal frequency offset between optical transmitters and receivers | Christopher Fludger, Joerg Leykauf, Karsten Michaelsen | 2018-04-03 |
| 9735876 | Calibrating an apparatus supporting pluggable optics | — | 2017-08-15 |
| 9735888 | Control of LO signal frequency offset between optical transmitters and receivers | Christopher Fludger, Joerg Leykauf, Karsten Michaelsen | 2017-08-15 |
| 9716555 | Common mode rejection ratio control for coherent optical receivers | Juergen Hauenschild, Theodor Kupfer | 2017-07-25 |
| 9712247 | Low bit rate signaling with optical IQ modulators | — | 2017-07-18 |
| 9337937 | Common mode rejection ratio control for coherent optical receivers | Juergen Hauenschild, Theodor Kupfer | 2016-05-10 |
| 9197327 | Optical communication transmitter system | Jonas Geyer | 2015-11-24 |
| 9136948 | Electrical modulator driver circuit for generating multi-level drive signals for QAM optical transmission | Juergen Hauenschild, Chris Fludger | 2015-09-15 |
| 9124363 | Digital frequency offset monitor for coherently detected optical superchannels | Jonas Geyer | 2015-09-01 |
| 8948609 | Pre-distortion techniques for optical modulators to improve constellation point separation | James Whiteaway, Jonas Geyer | 2015-02-03 |
| 8638489 | Filter-less generation of coherent optical subcarriers | James Whiteaway | 2014-01-28 |