Semiconductor super lattice heterostructure fabrication...

Details Semiconductor super lattice heterostructure fabrication... Semiconductor super lattice heterostructure fabrication...

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H01L 29/205 (2006.01) H01L 21/20 (2006.01) H01L 29/12 (2006.01) H01L 29/15 (2006.01) H01L 29/66 (2006.01) H01S 5/343 (2006.01) H01S 5/32 (2006.01) H01S 5/323 (2006.01) H01S 5/34 (2006.01) H01S 5/40 (2006.01)

Patent

CA 1315865

ABSTRACT OF THE DISCLOSURE A novel quantum well semiconductor structure is described wherein the quantum well is formed by growing a thin (?500.ANG.) epitaxial layer on a patterned (e.g. grooved) nonplanar substrate so as to achieve thickness variations along the quantum well and hence laterally varying superlattice periodicity and QW depth. Using this structure one can achieve lateral carrier confinement and real refractive index waveguiding. Index guided GaAs/A/GaAs lasers are described.

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