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US 2016/0261352 A1Published application
Polarization State Aligner (PSA)
AssigneeFuturewei Technologies, Inc.
InventorsYangjing Wen, Fei Zhu, Yu Sheng Bai
Life of this patent
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Abstract
A system comprises: a polarization state aligner (PSA) comprising: an input port; a first polarization beam splitter (PBS) coupled to the input port; a first phase shifter (PS) coupled to the first PBS; a first polarization rotator (PR) coupled to the first PBS; a first beam splitter (BS) coupled to the first PS and the first PR; a first output port coupled to the first BS; and a second output port coupled to the first BS.
Claims20
A system comprising:
- a polarization state aligner (PSA) comprising:
- an input port;
- a first polarization beam splitter (PBS) coupled to the input port;
- a first phase shifter (PS) coupled to the first PBS;
- a first polarization rotator (PR) coupled to the first PBS;
- a first beam splitter (BS) coupled to the first PS and the first PR;
- a first output port coupled to the first BS;
- and
- a second output port coupled to the first BS.
6 more elements
A system comprising:
- a polarization state aligner (PSA) configured to:
- receive an input light from an optical component at an input polarization;
- split the input light into a first light and a second light, wherein the first light comprises an output polarization corresponding to an optoelectronic circuit, and wherein the second light comprises a first polarization;
- rotate the first polarization to the output polarization;
- combine the first light and the second light;
- and
- provide to the optoelectronic circuit a first output light associated with the first light and a second output light associated with the second light;
- wherein the first output light and the second output light comprise the output polarization.
5 more elements
A method comprising:
- receiving an input light from an optical component at an input polarization;
- splitting the input light into a first light and a second light, wherein the first light comprises an output polarization corresponding to an optoelectronic circuit, and wherein the second light comprises a first polarization;
- rotating the first polarization to the output polarization;
- shifting a phase of the first light, the second light, or both so that a phase delay between the first light and the second light equalizes a first power of a first output light to a second power of a second output light;
- combining the first light and the second light;
- and
- providing to the optoelectronic circuit the first output light and the second output light, wherein the first output light is associated with the first light and the second output light is associated with the second light;
- wherein the first output light and the second output light comprise the output polarization.
5 more elements
Dependencies are inferred from the claim text.