Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6275637 | Thermally expanded multiple core fiber based reflection type optical isolator | Yong Huang | 2001-08-14 |
| 6246518 | Reflection type optical isolator | Kejian Guan | 2001-06-12 |
| 6149278 | Wavelength independent variable optical attenuator | Hongwei Mao, Yi-Xin Chen | 2000-11-21 |
| 6118910 | Method of aligning optical fibers to a multi-port optical assembly | — | 2000-09-12 |
| 6097869 | Multiple port reflection based circulator | Yong Huang | 2000-08-01 |
| 6078716 | Thermally expanded multiple core fiber | Yong Huang | 2000-06-20 |
| 6075642 | Multi-port optical isolator | — | 2000-06-13 |
| 6043933 | Split optical element and a low cost fabrication approach | — | 2000-03-28 |
| 6026203 | Polarization mixer based on walk-off crystals, half-wave plates and TEC fibers | — | 2000-02-15 |
| 6026202 | Compact, low crosstalk, three-port optical circulator | — | 2000-02-15 |
| 6014244 | Multi-port optical circulator utilizing imaging lens and correction optical element | — | 2000-01-11 |
| 6011649 | Optical assembly and method for high performance coupling | — | 2000-01-04 |
| 5974205 | Compact two-by-n optical components based on birefringent walk-off crystals | — | 1999-10-26 |
| 5960131 | Switching element having an expanding waveguide core | Julie E. Fouquet, David K. Donald, Datong Chen | 1999-09-28 |
| 5930418 | Optical assembly and method based on TEC fibres | — | 1999-07-27 |
| 5808793 | Low-cost compact optical isolators | Long Yang | 1998-09-15 |
| 5734763 | Compact two-by-n optical components based on bierfringent walk-off crystals | — | 1998-03-31 |
| 5724373 | Microphotonic acousto-optic tunable laser | — | 1998-03-03 |
| 5699462 | Total internal reflection optical switches employing thermal activation | Julie E. Fouquet, Phillip W. Barth, Leslie A. Field, Eric G. Hanson, Long Yang +1 more | 1997-12-16 |
| 5611004 | Microphotonic polarization independent acousto optical tunable filter and receiver | Lewis B. Aronson | 1997-03-11 |
| 5528724 | Apparatus and method for aligning optical fibers with respect to one another | Long Yang | 1996-06-18 |
| 5448579 | Polarization independent picosecond fiber laser | David K. Donald, Hong-Yu Lin | 1995-09-05 |
| 5446578 | Polarization preserving optical isolator | Wayne V. Sorin | 1995-08-29 |
| 5436925 | Colliding pulse mode-locked fiber ring laser using a semiconductor saturable absorber | Hong-Yu Lin, David K. Donald | 1995-07-25 |
| 4974944 | Optical nonreciprocal device | — | 1990-12-04 |