Photonic circuit device with on-chip optical gain measurement structures
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United States of America Patent
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Jun 12, 2018
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N/A
app pub date -
Oct 7, 2014
filing date -
Oct 31, 2013
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Abstract
The present invention is directed to a photonic circuit device for optical gain measurement, including: a substrate with a photonic circuit; an active gain section; at least two light couplers arranged such that at least a part of the active gain section is between the light couplers; and a partial reflector arranged to reflect light propagating along the same direction back to a center of the gain section, and wherein the device does not include any other reflector opposite to the partial reflector with respect to the active gain section and configured to reflect light back to the center of the gain section. The present invention is further directed to related gain measurement methods.
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