公开(公告)号：US20180152259A1

公开(公告)日：2018-05-31

申请号：US15824126

申请日：2017-11-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Heliang LIU ,  Binghua ZHANG ,  Junzi LIAN

IPC: H04J14/02 ,  G02B6/293 ,  G02B6/02 ,  G02B6/35 ,  H04B10/079

CPC classification number: H04J14/0212 ,  G02B6/0208 ,  G02B6/29317 ,  G02B6/29383 ,  G02B6/3518 ,  G02B6/356 ,  G02F2203/585 ,  H04B10/073 ,  H04B10/0779 ,  H04B10/07957

Abstract: In the wavelength selective switch provided in the present invention, at least one optical element is successively arranged in the wavelength selective switch according to a sequence of processing optical signals. The at least one optical element receives a service optical signal from a service laser, receives a monitoring optical signal from a monitoring laser, and performs same optical signal processing on the service optical signal and the monitoring optical signal according to a processing function of the at least one optical element, where a wavelength of the service optical signal and a wavelength of the monitoring optical signal are different. A service optical signal processed by the at least one optical element and a monitoring optical signal processed by at least one optical element are output, where the monitoring optical signal processed by the at least one optical element is used for monitoring performance of the wavelength selective switch.

公开(公告)号：US20250116830A1

公开(公告)日：2025-04-10

申请号：US18987983

申请日：2024-12-19

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhengwei GUO ,  Biao WANG ,  Zhongling PAN ,  Heliang LIU

IPC: G02B6/42

Abstract: An optical device includes a box body, an upper cover, and an optical substrate and an optical element located inside the box body. The optical substrate has an opening that penetrates a thickness direction, and the optical element is fastened to an inner wall of the opening.

公开(公告)号：US20160154247A1

公开(公告)日：2016-06-02

申请号：US14952644

申请日：2015-11-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Heliang LIU ,  Bifeng DING ,  Minchun LI ,  Chongchang MAO

IPC: G02B27/28 ,  G02B5/18 ,  G02B6/32 ,  G02F1/31 ,  G02B6/27 ,  G02B27/42 ,  G02B5/30 ,  G02F1/29

CPC classification number: G02B27/283 ,  G02B5/1814 ,  G02B5/1828 ,  G02B5/3016 ,  G02B5/3083 ,  G02B6/2706 ,  G02B6/2766 ,  G02B6/2773 ,  G02B6/32 ,  G02B27/4244 ,  G02F1/292 ,  G02F1/31

Abstract: The present invention discloses a beam processing device, a beam attenuation and switching device, and an optical wavelength selective switch system. The beam processing device in the present invention includes a polymer polarization grating and a quarter-wave plate array. Splitting and adjustment of a beam polarization state may be implemented by using the polymer polarization grating and the quarter-wave plate array. The beam attenuation and switching device includes a switchable polarization grating and an optical path angle adjustment device, or includes a half-wave liquid crystal plate, a quarter-wave plate, a polymer polarization grating, and an optical path angle adjustment device. The optical wavelength selective switch system includes the foregoing beam processing device and the foregoing beam attenuation and switching device, where a structure is relatively simple, assembly is also relatively simple, and production technologies of the polymer polarization grating, the quarter-wave plate, and the switchable polarization grating are relatively simple.

Abstract translation: 本发明公开了一种光束处理装置，光束衰减和开关装置以及光波长选择开关系统。 本发明的光束处理装置包括高分子偏振光栅和四分之一波片阵列。 可以通过使用聚合物偏振光栅和四分之一波片阵列来实现光束偏振状态的分离和调整。 光束衰减和开关装置包括可切换偏振光栅和光路角度调节装置，或包括半波长液晶板，四分之一波长板，聚合物偏振光栅和光路角度调节装置。 光波长选择开关系统包括上述光束处理装置和上述光束衰减和开关装置，其结构相对简单，组装也相对简单，聚合物偏振光栅，四分之一波片和 可切换偏振光栅相对简单。

公开(公告)号：US20160323038A1

公开(公告)日：2016-11-03

申请号：US15140286

申请日：2016-04-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chuang ZHOU ,  Chihao HU ,  Heliang LIU

IPC: H04B10/40 ,  G02B6/293 ,  G02B6/42 ,  G02B6/32 ,  H04J14/02 ,  H04B10/50

CPC classification number: H04B10/40 ,  G02B6/29367 ,  G02B6/4206 ,  G02B6/421 ,  G02B6/4212 ,  G02B6/4214 ,  G02B6/4215 ,  G02B6/4244 ,  G02B6/4246 ,  G02B6/4255 ,  G02B6/4292 ,  H04B10/503 ,  H04J14/02

Abstract: An optical transceiver, including a coupling assembly and a condensing assembly, is provided. The coupling assembly includes a first surface and a second surface; and multiple first lenses are disposed on the first surface. The condensing assembly includes a fastener, multiple filters, a reflector, and a light passing region; the condensing assembly is fastened to the second surface; the filters are optically aligned with the first lenses separately; the coupling assembly receives light of different wavelengths; and the light of different wavelengths enters the fastener through the multiple filters and is multiplexed or demultiplexed by the reflector and the filters, and multiplexed or demultiplexed light enters the coupling assembly through the light passing region. The optical transceiver provided in the present invention has advantages of low power consumption and high coupling efficiency.

Abstract translation: 提供了一种包括耦合组件和冷凝组件的光收发器。 联接组件包括第一表面和第二表面; 并且多个第一透镜设置在第一表面上。 冷凝组件包括紧固件，多个过滤器，反射器和光通过区域; 冷凝组件固定在第二表面上; 滤光片分别与第一透镜光学对准; 耦合组件接收不同波长的光; 并且不同波长的光通过多个滤光器进入紧固件，并被反射器和滤光器复用或解复用，并且多路复用或解复用的光通过光通过区域进入耦合组件。 本发明提供的光收发器具有功耗低，耦合效率高的优点。