| Patent Number |
Title Of Patent |
Date Issued |
| 7221822 |
Multi-fibre arrangement for high power fibre lasers and amplifiers |
May 22, 2007 |
| An optical fiber arrangement has at least two optical fiber sections, each optical fiber section defining an outside longitudinally extending surface. The outside longitudinally extending surfaces are in optical contact with each other. The invention further provides for an amplifying |
| 6993258 |
WDM transmitter |
January 31, 2006 |
| A WDM transmitter comprising an array of M pump lasers multiplexed by an M.times.N multiplexer, in the form of a coupler, and used to feed an array of N optically pumped fiber lasers emitting at wavelengths .lamda..sub.1, .lamda..sub.2, . . . .lamda..sub.N. The parameter M determines |
| 6991891 |
Optical fiber laser |
January 31, 2006 |
| A method of fabricating a distributed feedback optical fiber laser, comprises the step of exposing an optical fiber (20) to a transverse light beam (30) to form a grating structure in a section of the optical fiber, the writing light beam being polarized in a direction not parallel t |
| 6826335 |
Multi-fibre arrangements for high power fibre lasers and amplifiers |
November 30, 2004 |
| An optical fibre arrangement has at least two optical fibre sections, each optical fibre section defining an outside longitudinally extending surface. The outside longitudinally extending surfaces are in optical contact with each other. The invention further provides for an amplifying |
| 6445852 |
Optical fiber grating |
September 3, 2002 |
| Methods and apparatus for creating a Bragg grating in an optical waveguide having an optical fiber on which the Bragg grating is defined, the Bragg grating having an actual response which closely approximates a desired response. The Bragg grating comprises a plurality of lines, each line |
| 6345134 |
Optical device for compensating the dispersion of optical signals |
February 5, 2002 |
| An optical device comprises an optical fibre device having wavelength-dependent optical characteristics mounted on a bimorph element operable to bend in response to an electrical control signal, so that the wavelength-dependent optical characteristics of the optical fibre device vary |
| 6072926 |
Optical waveguide grating |
June 6, 2000 |
| A method of forming optical waveguide gratings, such as in-fiber gratings, is described. The gratings are formed optically, with a phase mask being scanned by a writing laser beam to generate the grating pattern. The waveguide and phase mask are moved with respect to one another during t |
