Issued Patents All Time
Showing 51–75 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459831 | WDM utilizing diffraction gratings with polarization dependent loss compensation | Olga Gorbounova, Kenneth John Bystrom, Hubert Vollmer | 2002-10-01 |
| 6459528 | Optical passive components and bi-directional amplifier | — | 2002-10-01 |
| 6453089 | Fiber optic dense wavelength division multiplexer for separating and combining optical channels utilizing a polarization beam splitter and a nonlinear interferometer | — | 2002-09-17 |
| 6441959 | Method and system for testing a tunable chromatic dispersion, dispersion slope, and polarization mode dispersion compensator utilizing a virtually imaged phased array | Jialing Yang, Jiyong Ma, Christopher Lin | 2002-08-27 |
| 6441952 | Apparatus and method for channel monitoring in a hybrid distributed Raman/EDFA optical amplifier | Xiaodong Duan, Guohua Xiao, Lintao Zhang, Dongqi Liu, Gang Li +2 more | 2002-08-27 |
| 6433901 | Optical performance monitor | — | 2002-08-13 |
| 6421480 | High-isolation dense wavelength division multiplexer utilizing birefringent plates and non-linear interferometer | — | 2002-07-16 |
| 6407839 | Optical and programmable fiber optic wavelength add/drop system | — | 2002-06-18 |
| 6396629 | Multi-functional optical device utilizing multiple birefringent plates and a non-linear interferometer | — | 2002-05-28 |
| 6390633 | Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion | Masataka Shirasaki | 2002-05-21 |
| 6393176 | Dense wavelength division multiplexer which includes a dense optical channel comb filter | — | 2002-05-21 |
| 6377728 | Packaging for grating-based WDM router | Hubert Vollmer, Kenneth John Bystrom, Olga Gorbounova | 2002-04-23 |
| 6377731 | Optical cross connect utilizing grating-based channel routers | Olga Gorbounova | 2002-04-23 |
| 6370296 | Dense wavelength division multiplexer/demultiplexer with parallel separation of wavelengths utilizing glass block interruption of the optic signal | — | 2002-04-09 |
| 6363184 | Method and apparatus for chromatic dispersion compensation and dispersion slope compensation in wavelength division multiplexed systems utilizing a channel separator and virtually imaged phased arrays | — | 2002-03-26 |
| 6343866 | Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion | Masataka Shirasaki | 2002-02-05 |
| 6344910 | Optical performance monitor | — | 2002-02-05 |
| 6332689 | Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion | Masataka Shirasaki | 2001-12-25 |
| 6317526 | Optical phase controller and optical switch | Masataka Shirasaki | 2001-11-13 |
| 6310690 | Dense wavelength division multiplexer utilizing an asymmetric pass band interferometer | Xiaoping Mao | 2001-10-30 |
| 6310993 | Method and apparatus for chromatic dispersion compensation and dispersion slope compensation in wavelength division multiplexed systems utilizing a channel separator and virtually imaged phased arrays | Xiaoping Mao, Guohua Xiao | 2001-10-30 |
| 6307677 | High-isolation dense wavelength division multiplexer utilizing birefringent plates and a non-linear interferometer | — | 2001-10-23 |
| 6304382 | Virtually imaged phased array (VIPA) having a varying reflectivity surface to improve beam profile | Masataka Shirasaki | 2001-10-16 |
| 6301048 | Tunable chromatic dispersion and dispersion slope compensator utilizing a virtually imaged phased array | — | 2001-10-09 |
| 6296361 | Optical apparatus which uses a virtually imaged phased array to produced chromatic dispersion | Masataka Shirasaki | 2001-10-02 |