公开(公告)号：US20160246157A1

公开(公告)日：2016-08-25

申请号：US14630093

申请日：2015-02-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Patrick Dumais ,  Lukas Chrostowski

IPC: G02F1/225 ,  G02F1/015

CPC classification number: G02F1/2257 ,  G02F2001/0152 ,  G02F2001/212 ,  G02F2203/60

Abstract: An optical device comprises a first optical coupler configured to receive a light signal and provide a first output and a second output, a first optical waveguide in optical communication with the first output and configured to provide a first optical path for a first portion of the light signal, and a second optical waveguide in optical communication with the second output and configured to provide a second optical path for a second portion of the light signal, wherein the first optical waveguide is configured to provide a phase differential between the first optical path and the second optical path, wherein the second optical waveguide is positioned according to a lateral thermal diffusion length associated with the first optical waveguide, and wherein the lateral thermal diffusion length is a spreading distance of a thermal effect in a direction about perpendicular to the first optical path.

Abstract translation: 光学装置包括：第一光耦合器，被配置为接收光信号并提供第一输出和第二输出;第一光波导，与第一输出端光学通信，并且被配置为提供第一部分光的第一光路 信号和与第二输出光学通信的第二光波导，并配置成为光信号的第二部分提供第二光路，其中第一光波导被配置为在第一光路和第二光路之间提供相位差 第二光路，其中所述第二光波导根据与所述第一光波导相关联的横向热扩散长度定位，并且其中所述横向热扩散长度是在垂直于所述第一光路的方向上的热效应的扩展距离 。

公开(公告)号：US10126572B2

公开(公告)日：2018-11-13

申请号：US15087449

申请日：2016-03-31

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chunshu Zhang ,  Jia Jiang ,  Dominic John Goodwill ,  Patrick Dumais

IPC: G02F1/01 ,  G02F1/21 ,  G02F1/225 ,  G02B6/293 ,  G02B6/27

Abstract: A photonic platform based polarization controller providing a fixed target polarization is disclosed. The polarization controller has a polarization rotator splitter splitting the beam into first and second feeds corresponding to first and second orthogonal polarization components. A first Mach-Zehnder interferometer (MZI) stage provides a first phase delay between the first and second feeds based on a first control signal, and a first mixer mixes the first and second feeds to provide third and fourth feeds. A second MZI stage provides a second phase delay between the third and fourth feeds based on a second control signal, and a second mixer mixes the third and fourth feeds to provide fifth and sixth feeds. A third MZI stage provides a third phase delay between the fifth and sixth feeds based on a third control signal, and a third mixer mixes the fifth and sixth feeds to provide the fixed target polarization. An optical tap splits a portion of the beam.

公开(公告)号：US20160334650A1

公开(公告)日：2016-11-17

申请号：US14708535

申请日：2015-05-11

Applicant: Huawei Technologies Co., Ltd.

Inventor： Patrick Dumais ,  Dominic John Goodwill

IPC: G02F1/025 ,  G02F1/225 ,  G02F1/01

CPC classification number: G02F1/025 ,  G02F1/0147 ,  G02F1/225 ,  G02F2001/0152 ,  G02F2001/212

Abstract: A tunable optical filter including a first coupler configured divide an optical signal into a first portion and a second portion, a first waveguide configured to receive the first portion of the optical signal, a second waveguide configured to receive the second portion of the optical signal, an adjustable phase element operatively coupled to the first waveguide for adjusting an optical path length of the first waveguide, a P-I-N junction operatively coupled to one of the first waveguide and the second waveguide for introducing a loss into one of the first portion of the optical signal and the second portion of the optical signal, and a second coupler operatively coupled to the first waveguide and the second waveguide, wherein the second coupler is configured to recombine the first portion of the optical signal with the second portion of the optical signal to generate a spectrally modulated optical signal.

Abstract translation: 一种可调光滤波器，包括：第一耦合器，其将光信号分为第一部分和第二部分，第一波导，被配置为接收光信号的第一部分;第二波导，被配置为接收光信号的第二部分; 可调相位元件，其可操作地耦合到所述第一波导，用于调整所述第一波导的光路长度; PIN结，其可操作地耦合到所述第一波导和所述第二波导中的一个，以将损耗引入所述光信号的所述第一部分之一 和光信号的第二部分，以及可操作地耦合到第一波导和第二波导的第二耦合器，其中第二耦合器配置成将光信号的第一部分与光信号的第二部分重新组合，以产生 光谱调制光信号。

公开(公告)号：US20160131835A1

公开(公告)日：2016-05-12

申请号：US14535170

申请日：2014-11-06

Applicant: Huawei Technologies Co., Ltd.

Inventor： Patrick Dumais

IPC: G02B6/126 ,  G02B6/136 ,  G02B6/10

CPC classification number: G02B6/126 ,  G02B6/107 ,  G02B6/14 ,  G02B6/2766 ,  G02B2006/12152

Abstract: An embodiment waveguide polarization rotator includes an optical waveguide and an overlay strip. The optical waveguide has an input end and an output end oppositely disposed thereon. The optical waveguide is operable to receive, at the input end, an input optical signal having a mode having an input polarization. The optical waveguide is further operable to generate, at the output end, an output optical signal having an output polarization orthogonal to the input polarization. The overlay strip is disposed over and non-orthogonally crosses the optical waveguide. The overlay strip has a first end laterally offset from the optical waveguide by a first offset distance and a second end laterally offset from the optical waveguide by a second offset distance.

Abstract translation: 一种实施例的波导偏振旋转器包括光波导和覆盖条。 光波导具有相对设置在其上的输入端和输出端。 光波导可操作以在输入端接收具有具有输入偏振的模式的输入光信号。 光波导还可操作以在输出端产生具有与输入偏振正交的输出偏振的输出光信号。 覆盖条被布置在非正交的光波导上。 覆盖带具有从光波导横向偏移第一偏移距离的第一端和从光波导横向偏移第二偏移距离的第二端。