Title of article
Capture and confinement of light and carriers in graded-index quantum well laser structures
Author/Authors
G Aichmayr، نويسنده , , H.P. van der Meulen، نويسنده , , L Vi?a، نويسنده , , M Calleja، نويسنده , , F Sch?fer، نويسنده , , J.P. Reithmaier، نويسنده , , A Forchel، نويسنده ,
Issue Information
دوهفته نامه با شماره پیاپی سال 2002
Pages
3
From page
885
To page
887
Abstract
We investigated graded-index separate-confinement heterostructure lasers and compared their performance with a conventional quantum well laser by using Raman and time-resolved photoluminescence spectroscopy. We found that grading the index of the Ga1−xAlxAs/GaAs waveguide and increasing the Al content improves considerably both, the light and carrier trapping and reduces carrier escape from the active region.
Keywords
Quantum well lasers , Time-resolved spectroscopy , Carrier capture
Journal title
Physica E Low-dimensional Systems and Nanostructures
Serial Year
2002
Journal title
Physica E Low-dimensional Systems and Nanostructures
Record number
1050440
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