High-power coherent arrays of vertical cavity surface-emitting semiconducting lasers
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United States of America Patent
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Jul 29, 2003
Grant Date -
Mar 21, 2002
app pub date -
Apr 27, 2001
filing date -
Apr 28, 2000
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Abstract
An array of VCSELs is made to operate coherently by coupling light to and from all elements with a common waveguide. The common waveguide can be fabricated on the wafer or separately, and allows enough optical power to mix between the individual lasers for phase-locking to occur.
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