Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8805204 | Generating higher-level quadrature amplitude modulation (QAM) using a delay line interferometer and systems and methods incorporating same | Hongbin Zhang, Jin-Xing Cai, Yu Sun, Yi Cai, Georg Heinrich Mohs | 2014-08-12 |
| 8483574 | Correlation-control QPSK transmitter | Hongbin Zhang, Yu Sun, Yi Cai | 2013-07-09 |
| 8437644 | Vestigial phase shift keying modulation and systems and methods incorporating same | Hongbin Zhang, Jin-Xing Cai, Yi Cai | 2013-05-07 |
| 8090270 | Frequency offset polarization multiplexing modulation format and system incorporating the same | Hongbin Zhang | 2012-01-03 |
| 7778550 | System and method for wavelength monitoring and control | Hongbin Zhang, Ralph Brian Jander | 2010-08-17 |
| 7373040 | Optical transmission system including dispersion slope compensation | Jin-Xing Cai, Dmitri Foursa, Alexei N. Pilipetskii, Morten Nissov, Neal S. Bergano | 2008-05-13 |
| 7295728 | Optical transmission system including dispersion slope compensation | Jin-Xing Cai, Dmitri Foursa, Alexei N. Pilipetskii, Morten Nissov, Neal S. Bergano | 2007-11-13 |
| 7256877 | System and method for rapidly achieving optimum dispersion in optical transmission systems | Robert R. Cordell, Yi Cai, Hongbin Zhang | 2007-08-14 |
| 7130030 | System and method for rapidly achieving optimum dispersion in optical transmission systems | Robert R. Cordell, Yi Cai, Hongbin Zhang | 2006-10-31 |
| 6342961 | Method and apparatus for improving spectral efficiency in wavelength division multiplexed transmission systems | Neal S. Bergano | 2002-01-29 |
| 6134033 | Method and apparatus for improving spectral efficiency in wavelength division multiplexed transmission systems | Neal S. Bergano | 2000-10-17 |
| 5946119 | Wavelength division multiplexed system employing optimal channel modulation | Neal S. Bergano, Stephen Evangelides | 1999-08-31 |