Imaging of emission patterns in a T-shaped quantum wire laser

Details Imaging of emission patterns in a T-shaped quantum wire laser Imaging of emission patterns in a T-shaped quantum wire laser

2003-03-18

arxiv.org/abs/cond-mat/0303348v1

Physics

Condensed Matter

Materials Science

4 pages, 3 figures

Scientific paper

10.1063/1.1627963

Spatially and spectrally resolved microscopic images of spontaneous and stimulated emissions are imaged at the mirror facets of a GaAs T-shaped quantum wire laser with high uniformity. Laser emission from the one-dimensional ground state reveals a circular image located at the core of a T-shaped optical waveguide but significantly smaller in area than the low power spontaneous emission from the same waveguide. These images unambiguously allow assignment of all spontaneous and laser emissions to the wire ground state and respective intersecting wells in the structure.

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