公开(公告)号：US20180095199A1

公开(公告)日：2018-04-05

申请号：US15835748

申请日：2017-12-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ming Li ,  Xin Tu ,  Hongyan Fu

IPC: G02B5/18 ,  G02B6/124 ,  G02B6/34 ,  G02B6/42 ,  G02B6/12 ,  G02B6/122

CPC classification number: G02B5/18 ,  G02B6/12004 ,  G02B6/1228 ,  G02B6/124 ,  G02B6/305 ,  G02B6/34 ,  G02B6/4206 ,  G02B2006/12061 ,  G02B2006/12107

Abstract: A grating coupler and a preparation method thereof are provided. The grating coupler includes a substrate layer, a lower confining layer, a waveguide core layer, and an upper confining layer that are sequentially arranged. The waveguide core layer includes a submicron waveguide, a first tapered waveguide, and a waveguide array. The waveguide array includes at least two waveguide groups, the waveguide group includes at least one waveguide chain, the waveguide chain includes at least two waveguides that have different widths, and the waveguides in the waveguide chain are connected to each other. An end of the waveguide chain in the waveguide array is connected to a wide end of the first tapered waveguide, and a narrow end of the first tapered waveguide is connected to the submicron waveguide.

公开(公告)号：US20170017039A1

公开(公告)日：2017-01-19

申请号：US15277931

申请日：2016-09-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xin Tu ,  Hongyan Fu ,  Fei Zhao

IPC: G02B6/293 ,  G02B6/35 ,  G02B6/125

CPC classification number: G02B6/29341 ,  G02B6/12002 ,  G02B6/12007 ,  G02B6/125 ,  G02B6/29395 ,  G02B6/3536 ,  G02B2006/12121 ,  G02B2006/12142

Abstract: An optical interconnector (915) includes: a first vertical coupled cavity (100), a first optical waveguide (102), and a second optical waveguide (103). The first vertical coupled cavity (100) includes N identical micro-resonant cavities that are equidistantly stacked, where a center of each micro-resonant cavity is located on a first straight line that is perpendicular to a plane on which the micro-resonant cavity is located, the first optical waveguide (102) and a first micro-resonant cavity (11) are in a same plane, the second optical waveguide (103) and a second micro-resonant cavity (13) are in a same plane, the first optical waveguide (102) is an input optical waveguide, the second optical waveguide (103) is a first output optical waveguide, and an optical signal having a first resonant wavelength in the first optical waveguide (102) enters the second optical waveguide (103) through the first vertical coupled cavity (100).

Abstract translation: 光学互连器（915）包括：第一垂直耦合腔（100），第一光波导（102）和第二光波导（103）。 第一垂直耦合腔（100）包括N个相同的微谐振腔，其等距地堆叠，其中每个微谐振腔的中心位于垂直于微谐振腔的平面的第一直线上 位于第一光波导（102）和第一微谐振腔（11）处于同一平面中，第二光波导（103）和第二微谐振腔（13）处于同一平面，第一光波导 光波导（102）是输入光波导，第二光波导（103）是第一输出光波导，在第一光波导（102）中具有第一谐振波长的光信号进入第二光波导（103） 通过第一垂直耦合腔（100）。

公开(公告)号：US20160291251A1

公开(公告)日：2016-10-06

申请号：US15178302

申请日：2016-06-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xin Tu ,  Hongyan Fu

IPC: G02B6/293

CPC classification number: G02B6/29343 ,  G02B6/29395

Abstract: A resonant cavity component can be used in an optical switching system, and includes a resonant cavity group, where the resonant cavity group includes at least two resonant cavities that have displacement in a vertical direction, and adjacent resonant cavities exchange optical energy by means of evanescent wave coupling; a restriction layer between resonant cavities that has a relatively low refractive index; and at least one optical waveguide, close to a bottom-layer resonant cavity in the resonant cavity group, couples optical energy, and is used to input or output an optical signal. In implementation manners of the present invention, multiple resonant cavities have displacement in a vertical direction, are located in different planes, and may be made by using a CMOS process; and a space in a vertical direction can be controlled to a level of several nanometers.

Abstract translation: 谐振腔部件可以用在光学开关系统中，并且包括谐振腔组，其中谐振腔组包括至少两个在垂直方向上具有位移的谐振腔，并且相邻的谐振腔通过ev逝来交换光能 波耦合 在折射率相对较低的谐振腔之间的限制层; 并且靠近谐振腔组中的底层谐振腔的至少一个光波导耦合光能，并用于输入或输出光信号。 在本发明的实施方式中，多个谐振腔在垂直方向上具有位移，位于不同的平面中，并且可以通过使用CMOS工艺制成; 并且可以将垂直方向上的空间控制到几纳米的水平。

公开(公告)号：US10067363B2

公开(公告)日：2018-09-04

申请号：US15187328

申请日：2016-06-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xin Tu ,  Hongyan Fu ,  Wanyuan Liu

IPC: G02B6/26 ,  G02F1/01 ,  G02B6/126 ,  G02B6/28 ,  G02F1/025 ,  G02F1/095

Abstract: Embodiments provide a polarizer and a polarization modulation system. The polarizer includes at least one MMI multi-mode waveguide, where one side of each MMI multi-mode waveguide is connected to an input waveguide, and the other side is connected to an output waveguide. An end portion of the side, on which the output waveguide is located, of the MMI multi-mode waveguide is provided with an adjustable portion, and the adjustable portion is connected to the output waveguide. The polarizer further includes a controller connected to the adjustable portion, where the controller is configured to perform control to change a material property of the adjustable portion, so that the output waveguide outputs optical signals in different polarization states.

公开(公告)号：US20170023808A1

公开(公告)日：2017-01-26

申请号：US15187328

申请日：2016-06-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xin Tu ,  Hongyan Fu ,  Wanyuan Liu

IPC: G02F1/01 ,  G02B6/28 ,  G02F1/095 ,  G02F1/025

CPC classification number: G02F1/0136 ,  G02B6/126 ,  G02B6/2813 ,  G02F1/0147 ,  G02F1/025 ,  G02F1/095 ,  G02F2201/05 ,  G02F2201/58 ,  G02F2202/10 ,  G02F2202/105 ,  G02F2203/07

Abstract: Embodiments provide a polarizer and a polarization modulation system. The polarizer includes at least one MMI multi-mode waveguide, where one side of each MMI multi-mode waveguide is connected to an input waveguide, and the other side is connected to an output waveguide. An end portion of the side, on which the output waveguide is located, of the MMI multi-mode waveguide is provided with an adjustable portion, and the adjustable portion is connected to the output waveguide. The polarizer further includes a controller connected to the adjustable portion, where the controller is configured to perform control to change a material property of the adjustable portion, so that the output waveguide outputs optical signals in different polarization states.

Abstract translation: 实施例提供偏振器和偏振调制系统。 偏振器包括至少一个MMI多模波导，其中每个MMI多模波导的一侧连接到输入波导，另一侧连接到输出波导。 MMI多模波导的输出波导所在的一侧的端部设置有可调节部分，并且可调部分连接到输出波导。 偏振器还包括连接到可调部分的控制器，其中控制器被配置为执行控制以改变可调部分的材料特性，使得输出波导输出具有不同极化状态的光信号。

公开(公告)号：US10241273B2

公开(公告)日：2019-03-26

申请号：US15795626

申请日：2017-10-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xin Tu ,  Yuming Wei ,  Hongyan Fu

IPC: G02B6/27 ,  G02B6/34 ,  G02B6/14

Abstract: A polarization rotator and an optical signal processing method are disclosed. A first transceiving waveguide includes a first end and a second end; a polarization rotation region waveguide includes a first waveguide and a second waveguide, where the first waveguide is located above the second waveguide, the first waveguide is connected to the second end of the first transceiving waveguide, the first waveguide and the second waveguide are non-linear profile waveguides; a mode conversion region waveguide includes a third waveguide and a fourth waveguide, where the third waveguide is connected to the second waveguide, the fourth waveguide is on a same horizontal plane as the third waveguide and the second waveguide, the third waveguide and the fourth waveguide are non-linear profile waveguides; and the second transceiving waveguide includes a third end and a fourth end, where the third end of the second transceiving waveguide is connected to the fourth waveguide.

公开(公告)号：US20170123155A1

公开(公告)日：2017-05-04

申请号：US15406182

申请日：2017-01-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wanyuan Liu ,  Xin Tu ,  Hongyan Fu

IPC: G02B6/125 ,  G02B6/136 ,  G02B6/122

CPC classification number: G02B6/125 ,  G02B6/1228 ,  G02B6/136 ,  G02B2006/12061

Abstract: A cross waveguide includes a first waveguide and a second waveguide, where the first waveguide and the second waveguide are mutually perpendicular and crosswise disposed, an area formed by a cross part of the first waveguide and the second waveguide is a cross area, the first waveguide and the second waveguide each include a shallow etching part and a core layer, and the shallow etching part is symmetrically distributed on two sides of the core layer in a length direction relative to an axis of the core layer. By appropriately adjusting a width of the core layer or a width of the shallow etching part, an energy loss generated during optical wave transmission in the cross waveguide can be effectively reduced.

公开(公告)号：US20170030802A1

公开(公告)日：2017-02-02

申请号：US15293904

申请日：2016-10-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wanyuan Liu ,  Hongyan Fu ,  Xin Tu

IPC: G01M11/00 ,  H04B10/073

CPC classification number: G01M11/33 ,  G01M11/02 ,  G01M11/31 ,  G01M11/331 ,  G01M11/35 ,  H04B10/071 ,  H04B10/073

Abstract: An apparatus is provided. The apparatus includes: a first main waveguide, configured to input and output a first optical signal; a first to-be-tested waveguide, configured to couple the first optical signal to generate a second optical signal, and transfer the second optical signal, an optical signal that is reflected by a second fiber Bragg grating, and an optical signal that is reflected by a first fiber Bragg grating. The apparatus also includes the first fiber Bragg grating, configured to totally reflect the optical signal that is reflected by the second fiber Bragg grating; the second fiber Bragg grating, configured to partially transmit and partially reflect the second optical signal and the optical signal that is reflected by the first fiber Bragg grating; and a first photoelectric detector, configured to receive an optical signal that is transmitted by the second fiber Bragg grating of the corresponding first to-be-tested waveguide.

Abstract translation: 提供了一种装置。 该装置包括：第一主波导，被配置为输入和输出第一光信号; 第一待测试波导，被配置为耦合第一光信号以产生第二光信号，并传送第二光信号，由第二光纤布拉格光栅反射的光信号和被反射的光信号 通过第一光纤布拉格光栅。 该装置还包括第一光纤布拉格光栅，其被配置为完全反射由第二光纤布拉格光栅反射的光信号; 第二光纤布拉格光栅，其被配置为部分地透射和部分地反射由第一光纤布拉格光栅反射的第二光信号和光信号; 以及第一光电检测器，被配置为接收由相应的待测试波导的第二光纤布拉格光栅传输的光信号。

公开(公告)号：US10317584B2

公开(公告)日：2019-06-11

申请号：US15835748

申请日：2017-12-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ming Li ,  Xin Tu ,  Hongyan Fu

IPC: G02B6/00 ,  G02B5/18 ,  G02B6/34 ,  G02B6/124 ,  G02B6/12 ,  G02B6/122 ,  G02B6/42 ,  G02B6/30

Abstract: A grating coupler and a preparation method thereof are provided. The grating coupler includes a substrate layer, a lower confining layer, a waveguide core layer, and an upper confining layer that are sequentially arranged. The waveguide core layer includes a submicron waveguide, a first tapered waveguide, and a waveguide array. The waveguide array includes at least two waveguide groups, the waveguide group includes at least one waveguide chain, the waveguide chain includes at least two waveguides that have different widths, and the waveguides in the waveguide chain are connected to each other. An end of the waveguide chain in the waveguide array is connected to a wide end of the first tapered waveguide, and a narrow end of the first tapered waveguide is connected to the submicron waveguide.

公开(公告)号：US09829635B2

公开(公告)日：2017-11-28

申请号：US15277931

申请日：2016-09-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xin Tu ,  Hongyan Fu ,  Fei Zhao

IPC: G02B6/12 ,  G02B6/293 ,  G02B6/125 ,  G02B6/35

CPC classification number: G02B6/29341 ,  G02B6/12002 ,  G02B6/12007 ,  G02B6/125 ,  G02B6/29395 ,  G02B6/3536 ,  G02B2006/12121 ,  G02B2006/12142

Abstract: An optical interconnector (915) includes: a first vertical coupled cavity (100), a first optical waveguide (102), and a second optical waveguide (103). The first vertical coupled cavity (100) includes N identical micro-resonant cavities that are equidistantly stacked, where a center of each micro-resonant cavity is located on a first straight line that is perpendicular to a plane on which the micro-resonant cavity is located, the first optical waveguide (102) and a first micro-resonant cavity (11) are in a same plane, the second optical waveguide (103) and a second micro-resonant cavity (13) are in a same plane, the first optical waveguide (102) is an input optical waveguide, the second optical waveguide (103) is a first output optical waveguide, and an optical signal having a first resonant wavelength in the first optical waveguide (102) enters the second optical waveguide (103) through the first vertical coupled cavity (100).