| Patent Number |
Title Of Patent |
Date Issued |
| 7010187 |
Mode transition-discrimination photonic logic device |
March 7, 2006 |
| The present invention is a photonic logic circuit for multimode optical signals. The device includes a laser cavity having at least four conduits, the combination forming a substantially X-shaped construction. An output is attached to each conduit for transmission of the optical sign |
| 6835581 |
Method of coating optical device facets with dielectric layer and device made therefrom |
December 28, 2004 |
| A method of simultaneously depositing dielectric layers on both facets of an optical device and devices made therefrom. The steps of the method are selecting a substrate; forming an optical device on the substrate; forming an active-layer pumping structure on the optical device; forming |
| 6541288 |
Method of determining semiconductor laser facet reflectivity after facet reflectance modificatio |
April 1, 2003 |
| A method of measuring reflectivity of a semiconductor laser facet by first fabricating first and second semiconductor lasers. The reflectance of the facets of the lasers are then determined. The threshold current densities of the lasers are then measured. If the reflectance of the first |
| 4825442 |
Planar optical logic |
April 25, 1989 |
| An optically controlled laser device is used to perform digital logic functions. The device comprises a single mode semiconductor laser including a waveguide for coupling light into the lasing caving at an angle at or near normal incidence with respect to the laser radiation generate |
