Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658210 | Interleaved bidirectional WDM channel plan | — | 2003-12-02 |
| 6650842 | Optical link with reduced four-wave mixing | Frank A. McKiel, Jr. | 2003-11-18 |
| 6515779 | Method and system for compensating for chromatic dispersion in an optical network | — | 2003-02-04 |
| 6317232 | Bi-directional all-optical regenerator | Andrew Robinson | 2001-11-13 |
| 6295146 | System and method for sharing a spare channel among two or more optical ring networks | Sridhar S. Nathan | 2001-09-25 |
| 6285475 | Method and system for detecting optical faults in a network fiber link | — | 2001-09-04 |
| 6266170 | Method and system for compensating for chromatic dispersion in an optical network | — | 2001-07-24 |
| 6215565 | Method of and system for diagnosing optical system failures | Gary B. Davis, Shoa-Kai Liu | 2001-04-10 |
| 6108113 | Method and system for transporting ancillary network data | — | 2000-08-22 |
| 6104514 | Dispersion based method of and apparatus for reducing unwanted mixing products on multiplexed optical communication lines | Laszlo Szerenyi | 2000-08-15 |
| 6038044 | Ring/mesh optical network | Sridhar S. Nathan | 2000-03-14 |
| 5995256 | Method and system for managing optical subcarrier reception | — | 1999-11-30 |
| 5978130 | Dual-band fiber optic amplification system using a single pump source | Niall Robinson, Shoa-Kai Liu | 1999-11-02 |
| 5956165 | Method and apparatus for updating subcarrier modulation in a communication network | Frank A. McKiel, Jr. | 1999-09-21 |
| 5943352 | External cavity laser with optically switched tuning mechanism | — | 1999-08-24 |
| 5914794 | Method of and apparatus for detecting and reporting faults in an all-optical communications system | Laszlo Szerenyi | 1999-06-22 |
| 5884017 | Method and system for optical restoration tributary switching in a fiber network | — | 1999-03-16 |
| 5870212 | Self-healing optical network | Sridhar S. Nathan | 1999-02-09 |
| 5859939 | Method and system for equalizing PMD using incremental delay switching | Niall Robinson | 1999-01-12 |
| 5822100 | Method and system for equalizing PMD using incremental delay switching | Andrew Robinson | 1998-10-13 |
| 5777761 | System and method for photonic facility and line protection switching using wavelength translation | — | 1998-07-07 |
| 5731887 | System and method for photonic facility and line protection switching | — | 1998-03-24 |
| 5726788 | Dynamically reconfigurable optical interface device using an optically switched backplane | Shoa-Kai Liu, Andrew Robinson, Reddy Urimindi | 1998-03-10 |
| 5663822 | Optical comb generator using optical white noise source | — | 1997-09-02 |
| 5600467 | Method and apparatus for reducing harmonic interference on multiplexed optical communication lines | — | 1997-02-04 |