Semiconductor laser array device
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United States of America Patent
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Mar 14, 1989
Grant Date -
N/A
app pub date -
Jan 20, 1987
filing date -
Jan 21, 1986
priority date (Note) -
Expired
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Abstract
A semiconductor laser array device comprising an active waveguide extending from one light-emitting facet to the other light-emitting facet, wherein said active waveguide is composed of a single main portion extending in the oscillation direction from said one light-emitting facet and constituting a loss waveguide, and a plurality of parallel branching portions extending from the end of said main portion to said other light-emitting facet and constituting a real index waveguide.
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