Tunable multi-frequency vertical cavity surface emitting laser
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United States of America Patent
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-
Sep 16, 2003
Grant Date -
Oct 31, 2002
app pub date -
Mar 29, 2001
filing date -
Mar 29, 2001
priority date (Note) -
Expired
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Abstract
A tunable Vertical Cavity Surface Emitting Laser (VCSEL) is disclosed that produces N frequencies of visible light. The VCSEL comprises an array of quantum wells (QWMs) which replaces one of the normally present Distributive Bragg Reflectors (DBR) at one end of a laser cavity of the VCSEL. These N independent QWMs produce N independent frequency in the laser cavity of the VCSEL device.
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