H - Electricity – 01 – S
Patent
H - Electricity
01
S
H01S 3/08 (2006.01) H01S 3/10 (2006.01)
Patent
CA 2589288
A method and apparatus for modifying the out of band reflection of a laser element is described. The laser element includes an active medium excited by optical pumping means to produce stimulation emission of light. The laser element further includes a Bragg grating structure for providing optical feedback for the active medium, with the Bragg grating structure including a phase transition region providing a change in phase. The change in phase of the phase transition region is adjusted to modify out of band reflection of said laser element.
La présente invention concerne un procédé et un appareil qui permettent de modifier la réflexion hors bande d'un élément laser. L'élément laser comprend un milieu actif qui est excité par un moyen de pompage optique pour produire une émission de lumière de stimulation. L'élément laser comprend également une structure de réseau de Bragg qui assure la rétroaction optique pour le milieu actif, ladite structure de réseau de Bragg comportant une région de transition de phase produisant une changement de phase. Le changement de phase de la région de transition de phase est ajusté pour modifier la réflexion hors bande dudit élément laser.
Foster Scott
Tikhomirov Alexei
Ridout & Maybee Llp
The Commonwealth Of Australia
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