ANTI-REFLECTION COATED QUANTUM DOT RESONATOR FOR WAVELENGTH DIVISION MULTIPLEXING OPTICAL COMMUNICATION
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United States of America Patent
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N/A
Issued Date -
May 12, 2011
app pub date -
Nov 9, 2010
filing date -
Nov 10, 2009
priority date (Note) -
Abandoned
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Abstract
An AR coated quantum dot resonator implementing a wavelength independent light source to resolve a drawback of degradation in the property of a high temperature optical output due to AR coating of LED or wavelength locked light source, which is filtered to a narrow line width, is disclosed. In one embodiment, a gain medium includes at least one quantum dot and an anti-reflection (AR) coated reflection plane at one of front and rear planes of the gain medium. The gain medium has a wide line width due to different sizes and distribution of a plurality of quantum dots. The line width includes entire wavelength channels of a WDM or WDM-PON. Also, the AR coated reflection plane is a front reflection plane having a lower reflectivity (e.g., 0.001% to 1%.) than that of a rear reflection plane.
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