Issued Patents All Time
Showing 76–91 of 91 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6574383 | Input light coupler using a pattern of dielectric contrast distributed in at least two dimensions | Alexei A. Erchak, Erich P. Ippen, John D. Joannopoulos, Leslie Kolodziejski, Gale S. Petrich +1 more | 2003-06-03 |
| 6512866 | High efficiency channel drop filter with absorption induced on/off switching and modulation | Pierre R. Villeneuve, John D. Joannopoulos, Brent E. Little, Hermann A. Haus | 2003-01-28 |
| 6512242 | Resonant-tunneling electronic transportors | Pierre R. Villeneuve, John D. Joannopoulos | 2003-01-28 |
| 6463200 | Omnidirectional multilayer device for enhanced optical waveguiding | Yoel Fink, Edwin L. Thomas, Chiping Chen, John D. Joannopoulos | 2002-10-08 |
| 6424763 | Tunable add/drop filter using side-coupled resonant tunneling | Pierre R. Villeneuve, Gale S. Petrich, Leslie Kolodziejski, John D. Joannopoulos | 2002-07-23 |
| 6198860 | Optical waveguide crossings | Steven G. Johnson, Pierre R. Villeneuve, Christina Manolatou, Hermann A. Haus, John D. Joannopoulos | 2001-03-06 |
| 6134043 | Composite photonic crystals | Steven G. Johnson, Pierre R. Villeneuve, Leslie Kolodziejski, John D. Joannopoulos | 2000-10-17 |
| 6130780 | High omnidirectional reflector | John D. Joannopoulos, Joshua N. Winn, Yoel Fink | 2000-10-10 |
| 6130969 | High efficiency channel drop filter | Pierre R. Villeneuve, John D. Joannopoulos, Hermann A. Haus | 2000-10-10 |
| 6101300 | High efficiency channel drop filter with absorption induced on/off switching and modulation | Pierre R. Villeneuve, John D. Joannopoulos, Brent E. Little, Hermann A. Haus | 2000-08-08 |
| 6058127 | Tunable microcavity and method of using nonlinear materials in a photonic crystal | John D. Joannopoulos, Pierre R. Villeneuve, Daniel Abrams | 2000-05-02 |
| 5990850 | Metallodielectric photonic crystal | Elliott R. Brown, John D. Joannopoulos, Pierre R. Villeneuve, Oliver B. McMahon | 1999-11-23 |
| 5955749 | Light emitting device utilizing a periodic dielectric structure | John D. Joannopoulos, Pierre R. Villeneuve, E. Frederick Schubert | 1999-09-21 |
| 5682401 | Resonant microcavities employing one-dimensionally periodic dielectric waveguides | John D. Joannopoulos, Pierre R. Villeneuve, Robert D. Meade | 1997-10-28 |
| 5600483 | Three-dimensional periodic dielectric structures having photonic bandgaps | Pierre R. Villeneuve, John D. Joannopoulos, Robert D. Meade | 1997-02-04 |
| 5440421 | Three-dimensional periodic dielectric structures having photonic bandgaps | Pierre R. Villeneuve, Robert D. Meade, John D. Joannopoulos | 1995-08-08 |