Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9052291 | Optical sensor based on a broadband light source and cascaded waveguide filters | Lei Jin, Mingyu Li | 2015-06-09 |
| 8131122 | Monolithically integrated multi-directional transceiver | Lei Wang, Li Zhang | 2012-03-06 |
| 7738527 | Wavelength switchable semiconductor laser using half-wave coupled active double-ring resonator | — | 2010-06-15 |
| 7447246 | Q-modulated semiconductor laser | — | 2008-11-04 |
| 7382817 | V-coupled-cavity semiconductor laser | — | 2008-06-03 |
| 7373028 | Polarization maintaining coupler | Ping Xie | 2008-05-13 |
| 7206466 | Polarization dependent loss loop | Ping Xie, Chester Xiaowen Chien | 2007-04-17 |
| 7019893 | Optical dynamic gain amplifier | Emil S. Koteles, Michael Davies | 2006-03-28 |
| 6959129 | Bidirectional multiplexer and demultiplexer based on a single echelle waveguide grating | Orazio Berolo, Michael Davies | 2005-10-25 |
| 6904205 | Resolution enhanced optical spectrometer having a fixed number of photodetector elements | Orazio Berolo, Emil S. Koteles, Bryant P. Hichwa, John Wade | 2005-06-07 |
| 6768841 | Integrated optical interleaver/de-interleaver | — | 2004-07-27 |
| 6753958 | Resolution enhanced optical spectrometer having a fixed number of photodetector elements | Orazio Berolo, Emil S. Koteles, Bryant P. Hichwa, John Wade | 2004-06-22 |
| 6701034 | Digital optical switch | Andre Delage | 2004-03-02 |
| 6654533 | Polarization independent waveguide structure | Emil S. Koteles, Michael Davies | 2003-11-25 |
| 6650809 | Multiple band optical multiplexer and demultiplexer | Orazlo Berolo, Michael Davis | 2003-11-18 |
| 6526193 | Digital optical switch | Andre Delage | 2003-02-25 |
| 6339662 | Wavelength stabilized planar waveguide optical devices incorporating a dispersive element | Emil S. Koteles, Lynden Erickson, Boris Lamontagne, Andre Delage | 2002-01-15 |
| 6298186 | Planar waveguide grating device and method having a passband with a flat-top and sharp-transitions | — | 2001-10-02 |
| 6169838 | Athermal waveguide grating based device having a temperature compensator in the slab waveguide region | Emil S. Koteles | 2001-01-02 |
| 5937113 | Optical grating-based device having a slab waveguide polarization compensating region | Emil S. Koteles, L. Peter Erickson, B. Lamontagne, A. Delage | 1999-08-10 |
| 5757023 | Fabrication of quantum well polarization independent active devices | Emil S. Koteles, Sylvain Charbonneau, Philip Poole | 1998-05-26 |