Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7936997 | Method and apparatus for low chirp transmitter for optical fiber communications | Mani Ramachandran, Hermann Gysel | 2011-05-03 |
| 7369777 | Method and apparatus for automatically adjusting the optical power directed to a dispersion compensating element | Hermann Gysel, Mani Ramachandran | 2008-05-06 |
| 7366416 | Hub for a passive optical network hub | Mani Ramachandran | 2008-04-29 |
| 7289728 | Use of variable ratio couplers for network protection and recovery | Shamino Wang | 2007-10-30 |
| 7151875 | Method and apparatus for balancing the power of optical channels traversing an optical add drop multiplexer | Hermann Gysel, Mani Ramachandran | 2006-12-19 |
| 7119948 | Optical amplifier apparatus and method | Hermann Gysel, Mani Ramachandran | 2006-10-10 |
| 7024110 | Optical switch having an autorestoration feature for switching from a backup optical path to a primary optical path | — | 2006-04-04 |
| 6980357 | Optical amplifier apparatus and method | Hermann Gysel, Mani Ramachandran | 2005-12-27 |
| 6944362 | Optical switch having a autorestoration feature for switching from a backup optical path to a primary optical path | — | 2005-09-13 |