Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11442314 | Polarization insensitive liquid crystal on silicon (LCOS) phase modulators and related devices and methods | — | 2022-09-13 |
| 10284931 | Liquid crystal grating-based optical switch | Minchun Li, Sichao Wang | 2019-05-07 |
| 9927678 | Variable optical attenuator comprising a switchable polarization grating | Minchun Li, Hong-Kook Min | 2018-03-27 |
| 9201286 | Method and apparatus for wavelength selective switch | Minchun Li, Bo Chen, Yang Fang | 2015-12-01 |
| 9008470 | Method and apparatus for wavelength selective switch | Minchun Li, Bo Chen, Yang Fang | 2015-04-14 |
| 7034979 | Variable optical attenuator using crystal wedges | Wei Feng, Tirun Lin, Shuxin Li, Minchun Li, Ming Xu +1 more | 2006-04-25 |
| 7023611 | Optical equalization with beam counter-propagation | Tizhi Huang, Ming Xu, Tiejun J. Xia, Wei Feng | 2006-04-04 |
| 6972826 | Liquid crystal based optical signal processing | Ming Xu | 2005-12-06 |
| 6519022 | Optical routing switch using symmetric liquid crystal cells | Ming Xu, Kuang-Yi Wu, Jian Liu | 2003-02-11 |
| 6429962 | Dynamic gain equalizer for optical amplifiers | Ming Xu, Tizhi Huang, Jian Liu, Kuang-Yi Wu, Charles Wong | 2002-08-06 |
| 5073010 | Optically addressable spatial light modulator having a distorted helix ferroelectric liquid crystal member | Kristina M. Johnson, Ibrahim Abdulhalim | 1991-12-17 |