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US 8,710,614 B2Granted
Light receiving element with offset absorbing layer
AssigneeFujitsu Limited
InventorKazumasa Takabayashi
Life of this patent
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Abstract
A light receiving element includes a core configured to propagate a signal light, a first semiconductor layer having a first conductivity type, the first semiconductor layer being configured to receive the signal light from the core along a first direction in which the core extends, an absorbing layer configured to absorb the signal light received by the first semiconductor layer, and a second semiconductor layer having a second conductivity type opposite to the first conductivity type.
Claims15
A light receiving element comprising:
- a first region including a wave core layer configured to propagate a signal light;
- a second region including:
- a first semiconductor layer having a first conductivity type, the first semiconductor layer being configured to receive the signal light from the wave core layer along a first direction, the wave core layer extending in the first direction;
- an absorbing layer configured to absorb the signal light received by the first semiconductor layer;
- and
- a second semiconductor layer having a second conductivity type opposite to the first conductivity type.
3 more elements
Dependencies are inferred from the claim text.