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：US09638981B2

公开(公告)日：2017-05-02

申请号：US14630093

申请日：2015-02-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Patrick Dumais ,  Lukas Chrostowski

IPC: G02F1/035 ,  G02F1/225 ,  G02F1/015 ,  G02F1/21

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.