LAMINATED STRUCTURES
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United States of America Patent
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Issued Date -
Dec 30, 2010
app pub date -
Jun 29, 2009
filing date -
Jun 29, 2009
priority date (Note) -
Abandoned
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Abstract
Laminated structures having improved optical gain are provided. In one embodiment, a laminated structure includes a first cladding layer having at least two barrier layers which have different energy band gaps, an active layer formed on the first cladding layer and having an active layer energy band gap, and a second cladding layer formed on the active layer and including at least two barrier layers which have different energy band gaps. The first cladding layer and the second cladding layer may be doped with a different type of dopant.
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