Issued Patents 2003
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6600582 | Optical add/drop wavelength switch | Jian Liu | 2003-07-29 |
| 6559992 | Adjustable chromatic dispersion compensation | Gan Zhou, Chi-Hao Cheng | 2003-05-06 |
| 6552833 | Programmable optical add/drop multiplexer | Jian Liu, Charles Wong | 2003-04-22 |
| 6545779 | System for dealing with faults in an optical link | Jian Liu | 2003-04-08 |
| 6545783 | Optical wavelength add/drop multiplexer | Jian Liu | 2003-04-08 |
| 6519022 | Optical routing switch using symmetric liquid crystal cells | Ming Xu, Chongchang Mao, Jian Liu | 2003-02-11 |
| 6515786 | Bandwidth variable wavelength router and method of operation | Tiejun J. Xia, Chi-Hao Cheng, Shuxin Li, Jian Liu | 2003-02-04 |
| 6512615 | Method and apparatus for wavelength multiplexing/demultiplexing | Jian Liu | 2003-01-28 |
| 6510004 | Temperature insensitive polarization filter | Jian Liu | 2003-01-21 |