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Zhoufeng Ying

Tongqing Wang

Xingyu Zhang

Dawei Zheng

An integrated waveguide polarizer comprising: a plurality of silicon layers and a plurality of silicon-nitride layers; each of the plurality of silicon layers and each of the plurality of silicon-nitride layers having a first end and an opposite second end, the first end having a wide width and the second end having a narrow width, such that each silicon layer and each silicon-nitride layer have tapered shapes; wherein the pluralities of silicon and silicon-nitride layers are overlapped, such that at least a portion of each silicon-nitride layer overlaps at least a portion of each silicon layer; and a plurality of oxide layers disposed between the pluralities of silicon-nitride and silicon layers, each oxide layer creating a separation spacing between each silicon-nitride and each silicon layers; wherein, when an optical signal is launched through the integrated waveguide polarizer, the optical signal is transitioned between each silicon-nitride layer and each silicon layer.

Integrated waveguide polarizer

An integrated transceiver chip comprising: a plurality of bidirectional ports; a plurality of grating couplers; a receiver having a first and a second input ports, the first input port being optically connected to a first grating coupler of the plurality of grating couplers, and the second input port being optically connected to a first bidirectional port of the plurality of bidirectional ports; and a transmitter having a first and a second input and a first and a second output ports, the first input port being optically connected to a second bidirectional port of the plurality of bidirectional ports and the second input port being optically connected to a second grating coupler, and the first output port being optically connected to a third bidirectional port of the plurality of bidirectional ports and the second output port being optically connected to a third grating coupler of the plurality of grating couplers.

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Fremont, CA, United States of America

Zhoufeng Ying