| Patent Number |
Title Of Patent |
Date Issued |
| 7626193 |
Apparatus comprising a single photon photodetector having reduced afterpulsing and method theref |
December 1, 2009 |
| A single-photon detector is disclosed that provides reduced afterpulsing without some of the disadvantages for doing so in the prior art. An embodiment of the present invention provides a stimulus pulse to the active area of an avalanche photodetector to stimulate charges that are tr |
| 7582920 |
Apparatus comprising an avalanche photodiode |
September 1, 2009 |
| Avalanche photodiodes are provided, wherein the APDs provide both high optical coupling efficiency and low dark count rate. The APDs are formed such that their cap layer has an active region of sufficient width to enable high optical coupling efficiency but the APD still exhibits a low |
| 7553734 |
Method for forming an avalanche photodiode |
June 30, 2009 |
| Methods for fabricating an avalanche photodiode (APD), wherein the APD provides both high optical coupling efficiency and low dark count rate. The APD is formed such that it provides an active region of sufficient width to enable high optical coupling efficiency and a low dark count |
| 7378689 |
Apparatus comprising an avalanche photodiode |
May 27, 2008 |
| Avalanche photodiodes are provided, wherein the APDs provide both high optical coupling efficiency and low dark count rate. The APDs are formed such that their cap layer has an active region of sufficient width to enable high optical coupling efficiency but the APD still exhibits a low |
| 7366365 |
Tissue scanning apparatus and method |
April 29, 2008 |
| A system for multispectral confocal mapping of a tissue, comprising: a light source; an optical fiber having an aperture providing a confocal pinhole, a scanner being free-space coupled to said aperture and operative to scan the tissue and provide intensity signals for each of a plur |
| 7251028 |
Scanning spectrum analyzer |
July 31, 2007 |
| A system for spectral analysis of a multi-wavelength signal is disclosed. The illustrative embodiment of the present invention, like the prior art, uses a grating or prism to disperse the spectral components of a multi-wavelength signal, and then uses a reciprocating or rotating mirror |
| 6909826 |
Multiple grating optical waveguide monitor |
June 21, 2005 |
| An optical monitoring arrangement utilizes the properties of a blazed Bragg grating to redirect a portion of an optical signal out of the axial path and into a detecting device. A plurality of blazed Bragg gratings are utilized, each having unique properties, to increase the robustness o |
| 6744548 |
Resonant enhanced modulator (REM) |
June 1, 2004 |
| A modulator including: a plurality of branches; first and second RF electrodes; a first plurality of RF delay elements coupled to the first RF electrode and a second plurality of RF delay elements coupled to the second electrode; and, a plurality of electro-refractive resonant elemen |
| 6688783 |
Method of fabricating an optical module including a lens attached to a platform of the optical m |
February 10, 2004 |
| A method of fabricating an optical module includes attaching a lens to a platform of the optical module such that the lens remains in precise alignment with a light source (e.g., a laser diode) and a target optical fiber even after the lens is attached or fixed to the platform. The o |
| 6669379 |
Method of attaching optical fiber in alignment with a light source in an optical module |
December 30, 2003 |
| A method of aligning an optical fiber to a light source (e.g., a laser diode) in an optical assembly includes inserting a weld clip over a ferrule holding the optical fiber so that there is no gap between the ferrule and the weld clip, initially aligning the optical fiber to the lase |
| 6639930 |
Multi-level closed loop resonators and method for fabricating same |
October 28, 2003 |
| A closed-loop ring resonator including a closed loop formed on a substrate and including at least one coupling region having a first effective depth and at least one other region having a second effective depth, wherein the first and second depths are different. |
| 6556611 |
Wide stripe distributed bragg reflector lasers with improved angular and spectral characteristic |
April 29, 2003 |
| A diode laser comprises a laser cavity defining a linear optical-path axis, and a current-pumped stripe region, said current-pumped stripe region being disposed within said laser cavity. The laser cavity includes an output surface perpendicular to the optical axis; and a reflection surfa |
| 6417524 |
Light emitting semiconductor device |
July 9, 2002 |
| Light emitting diodes each comprising a body of semiconductor material having a first side surface, a second side surface, and a top surface; and a stripe of conductive material over the top surface of the body. The stripe has a first segment and a second segment, each extending from the |
| 6339606 |
High power semiconductor light source |
January 15, 2002 |
| A semiconductor light source comprises superluminescent diodes (SLDs) disposed on a substrate having a facet, channels separating the SLDs, and a mode expander region. Each SLD has a diamond shaped active region such that the front and rear end of each SLD ends in a taper. The mode expan |
| 6301279 |
Semiconductor diode lasers with thermal sensor control of the active region temperature |
October 9, 2001 |
| A semiconductor diode laser with thermal sensor control comprises a heat sink, a diode-laser structure, and a thermal sensor thermally coupled to said diode-laser structure in a place where the temperature gradient across the semiconductor diode laser is close to zero. |
