Photonic crystal device
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United States of America Patent
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Jun 11, 2013
Grant Date -
Jun 21, 2012
app pub date -
Sep 1, 2010
filing date -
Sep 1, 2009
priority date (Note) -
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Abstract
The objective of the invention is to provide a photonic crystal device which enables efficient confinement of carriers while preventing the deterioration of device characteristics. Specifically a photonic crystal device has a photonic crystal in which media with different refractive indexes are regularly arranged, wherein an active region (11) includes an active layer (12) and carrier confinement layers (13, 14) provided on the top and bottom of the active layer (12) respectively for confining carriers. The photonic crystal is formed by a buried growth layer (15) with a larger bandgap than that of the active region (11).
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