Issued Patents All Time
Showing 51–75 of 103 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9602219 | Efficient processing of high data rate signals with a configurable frequency domain equalizer | Han Henry Sun, Yuejian Wu | 2017-03-21 |
| 9553675 | Frequency domain coded modulation with polarization interleaving for fiber nonlinearity mitigation in digital sub-carrier coherent optical communication systems | Abdullah Karar, Han Henry Sun, Ahmad Awadalla | 2017-01-24 |
| 9350457 | Power-efficient maximum likelihood decoding for 5 bits per dual-pol-symbol modulation | Ahmed Awadalla, Han Henry Sun | 2016-05-24 |
| 9312962 | Intensity-based modulator | David J. Krause, Damien Lambert, Masaki Kato, Vikrant Lal, Radhakrishnan L. Nagarajan +4 more | 2016-04-12 |
| 9276674 | Estimating phase using test phases and interpolation for modulation formats using multiple sub-carriers | Han Henry Sun, Sandy Thomson, Yuejian Wu | 2016-03-01 |
| 9270383 | Frequency and phase compensation for modulation formats using multiple sub-carriers | Han Henry Sun, Sandy Thomson, Yuejian Wu | 2016-02-23 |
| 9261635 | Rotator external to photonic integrated circuit | Radhakrishnan L. Nagarajan, Masaki Kato, Jeffrey T. Rahn, Alan C. Nilsson | 2016-02-16 |
| 9246597 | Dual rate QPSK/TCM-QPSK optical modulation | Pierre Mertz | 2016-01-26 |
| 9246735 | Equalizing a signal modulated using a 5QAM modulation format | Han Henry Sun | 2016-01-26 |
| 9236952 | Detecting and correcting cycle slips to minimize system penalty | Han Henry Sun, John D. McNicol | 2016-01-12 |
| 9178624 | Accurate calculation of polarization mode dispersion using blind equalization | Han Henry Sun, Ahmed Awadalla, John D. McNicol | 2015-11-03 |
| 9166696 | Upsampling optical transmitter | John D. McNicol, David F. Welch, Stephen G. Grubb, Pierre Mertz | 2015-10-20 |
| 9166689 | Equalization mechanism for processing traffic based on three-quadrature amplitude modulation (3QAM) | Han Henry Sun, Pierre Mertz | 2015-10-20 |
| 9160454 | Hamming coded modulation | Han Henry Sun | 2015-10-13 |
| 9154256 | Clock phase detection in the frequency domain | Han Henry Sun | 2015-10-06 |
| 9130681 | Reducing phase noise associated with optical sources | Han Henry Sun, John D. McNicol | 2015-09-08 |
| 8989593 | Frequency domain clock recovery | Han Henry Sun | 2015-03-24 |
| 8861636 | Coherent detection using coherent decoding and interleaving | Han Henry Sun, Yuejian Wu, Sandy Thomson | 2014-10-14 |
| 8849125 | Processing three-quadrature amplitude modulation (3QAM) traffic using a four-bit phase modulation scheme | Han Henry Sun | 2014-09-30 |
| 8831439 | Upsampling optical transmitter | John D. McNicol, David F. Welch, Stephen G. Grubb, Pierre Mertz | 2014-09-09 |
| 8774644 | PMD and chromatic dispersion tolerant clock recovery | Han Henry Sun | 2014-07-08 |
| 8774320 | Method, system, and apparatus for carrier synchronization of QAM modulated signals | Han Henry Sun | 2014-07-08 |
| 8768177 | Wavelength division multiplexed optical communication system having variable channel spacings | John D. McNicol, David F. Welch, Stephen G. Grubb, Pierre Mertz | 2014-07-01 |
| 8705986 | PMD-insensitive method of chromatic dispersion estimation for a coherent receiver | Han Henry Sun | 2014-04-22 |
| 8655190 | Wavelength division multiplexed optical communication system architectures | John D. McNicol, David F. Welch, Stephen G. Grubb, Pierre Mertz | 2014-02-18 |