| Patent Number |
Title Of Patent |
Date Issued |
| 7397979 |
Coherent optical detector and coherent communication system and method |
July 8, 2008 |
| An optical device is provided with first and second inputs. A first coupler coupled is coupled to the first input and produces at least a first and second output. A second coupler is coupled to the second input and produces at least a first and second output. A third coupler is coupl |
| 7391969 |
Method and apparatus for pulse generation and adaptive pulse generation for optical communicatio |
June 24, 2008 |
| One embodiment of the invention relates to producing optical pulses for use on a transmission link. A light source is configured to produce an optical signal. A pulse generator is coupled to the light source. The pulse generator is configured to receive, for a first channel, the opti |
| 7327913 |
Coherent optical detector and coherent communication system and method |
February 5, 2008 |
| An optical device is provided with first and second inputs. A first coupler coupled is coupled to the first input and produces at least a first and second output. A second coupler is coupled to the second input and produces at least a first and second output. A third coupler is coupl |
| 7315697 |
Light source for generating an output signal having spaced apart frequencies |
January 1, 2008 |
| A multiple wavelength light source generates an output signal having a comb of accurately spaced apart frequencies with variable free spectral range in the C-band of optical fiber communication. The light source employs an electro-optical modulator (EOM) driven by a signal generator |
| 7277178 |
Coherent photothermal interferometric spectroscopy system and method for chemical sensing |
October 2, 2007 |
| A photo-thermal, interferometric spectroscopy system is disclosed that provides information about a chemical at a remote location. A first light source assembly is included that emits a first beam. The first beam has one or more wavelengths that interact with the chemical and change a |
| 7266307 |
Method and apparatus for pulse generation and adaptive pulse generation for optical communicatio |
September 4, 2007 |
| One embodiment of the invention relates to producing optical pulses for use on a transmission link. A light source is configured to produce an optical signal. A pulse generator is coupled to the light source. The pulse generator is configured to receive, for a first channel, the opti |
| 6671425 |
Method and system for acoustically tuning a light source |
December 30, 2003 |
| The present invention relates to an integrated light source having first and second optical waveguides defining a first optical coupling region for coupling light therebetween. At least one of the optical waveguides includes a gain medium configured to emit light upon irradiation. The |
| 6600564 |
Device and method for optical path length measurement |
July 29, 2003 |
| This invention is a device and method for the measurement of optical path length. A frequency chirped electromagnetic wave source, such as a laser beam, is split into two branches. A reference branch is projected directly onto a photosensor, while a probe branch is launched towards a tar |