Intersubband quantum box stack lasers

Details Intersubband quantum box stack lasers Intersubband quantum box stack lasers

H - Electricity

01

S

H01S 5/34 (2006.01) H01S 5/343 (2006.01)

Patent

CA 2659946

The present invention provides semiconductor lasers having an Active-Photonic-Crystal (APC) structure that allows scaling of the coherent power by using a waveguide having a periodic structure that selects operation in a single spatial mode from large-aperture devices. The lasers include an active medium that includes an array of quantum box ministacks, each ministack containing 2 to 5 vertically stacked, coupled quantum boxes.

La présente invention concerne des lasers à semi-conducteurs dotés d'une structure de cristal photonique actif (APC) qui permet une mise à l'échelle de la puissance cohérente grâce à un guide d'onde à structure périodique qui sélectionne un fonctionnement dans un seul mode spatial à partir de dispositifs à grande ouverture. Ces lasers comportent un milieu actif qui comprend un réseau de mini-empilements de boîtes quantiques, chaque mini-empilement contenant de 2 à 5 boîtes quantiques empilées verticalement et reliées.

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