Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9819530 | Constellation designs with non-gray bit mapping | Fatih Yaman, Shaoliang Zhang, Eduardo Mateo Rodriquez, Takaaki Ogata, Takanori Inoue | 2017-11-14 |
| 9813157 | Mitigation of multi-path interference from quasi-single-mode fiber using hybrid span configuration and digital signal processing | Shaoling Zhang, Fatih Yaman, Yue-Kai Huang, Ezra Ip | 2017-11-07 |
| 9722700 | Wavelength division multiplexing system and method including wavelength monitoring | Fatih Yaman, Shaoliang Zhang, Ting Wang, Takaaki Ogata | 2017-08-01 |
| 9680598 | Wavelength division multiplexing optical transmission apparatus and wavelength division multiplexing optical transmission method | — | 2017-06-13 |
| 9450715 | Method and system for modulation-independent carrier phase recovery | Shaoliang Zhang, Fatih Yaman | 2016-09-20 |
| 9419744 | Polarization multiplexing optical transmitter and operation control method | — | 2016-08-16 |
| 9337868 | Iterative decoding for cascaded LDPC and TCM coding | Shaoliang Zhang, Fatih Yaman, Takaaki Ogata, Takanori Inoue | 2016-05-10 |
| 9337923 | Optical spectral shaping for nonlinearity enhancement in high speed digital coherent optical transmissions | Lei Xu, Shaoliang Zhang, Fatih Yaman, Ting Wang, Takaaki Ogata +1 more | 2016-05-10 |
| 9203519 | Pair-wise symbol correlated high receiver sensitivity modulation format | Fatih Yaman, Shaoliang Zhang, Ting Wang, Takaaki Ogata, Yasuhiro Aoki | 2015-12-01 |
| 9130679 | Polarization-switched differential ternary phase-shift keying | Ezra Ip, Fatih Yaman, Lei Xu, Ting Wang, Takaaki Ogata +1 more | 2015-09-08 |
| 9077484 | Generation of polarization-alternated QPSK format | Shaoliang Zhang, Fatih Yaman, Ting Wang, Takaaki Ogata, Yasuhiro Aoki | 2015-07-07 |
| 8917998 | Polarization switching for optical fiber communications | Shaoliang Zhang, Lei Xu, Junqiang Hu, Fatih Yaman, Ting Wang +2 more | 2014-12-23 |
| 8873953 | Multiple-symbol polarization switching for differential-detection modulation formats | Shaoliang Zhang, Fatih Yaman, Lei Xu, Ting Wang, Takaaki Ogata +1 more | 2014-10-28 |
| 8787709 | Polarization-alternating optical signal generation using CSRZ modulation | Fatih Yaman, Shaoliang Zhang, Lei Xu, Ting Wang, Takaaki Ogata +1 more | 2014-07-22 |
| 8131161 | DPSK optical receiver | — | 2012-03-06 |
| 7689082 | Optical fiber transmission line for wavelength division multiplexing signals | — | 2010-03-30 |
| 6920261 | Cross phase modulation suppressing device in wavelength division multiplexing optical transmission system and optical communication system | Toshiharu Ito | 2005-07-19 |