System having optical amplifier incorporated into stacked optical devices
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United States of America Patent
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May 17, 2011
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app pub date -
Jan 11, 2008
filing date -
Jan 11, 2008
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Abstract
An optical system includes optical devices that each has functional sides between lateral sides. The functional sides include a top side and a bottom side. A first one of the devices has an optical amplifier, a first waveguide, and a first port. A second one of the devices has a second port optically aligned with a second waveguide. The second device is positioned over one of the functional sides of the first device. The optical amplifier is optically positioned between the first waveguide and the first port such that a light signal from the first waveguide enters the amplifier and travels through the amplifier. The first port is configured to receive the light signal from the optical amplifier and change the direction that the light signal is traveling such that the light signal exits the first device traveling in a direction that is toward the second device. The second port is configured to receive the light signal after the light signal exits the first device and to change a direction that the light signal is traveling such that the light signal enters the second waveguide.
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