公开(公告)号：US09787432B2

公开(公告)日：2017-10-10

申请号：US14743730

申请日：2015-06-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shiwei Nie ,  Zhenping Wang ,  Zhiguang Xu

IPC: H03M13/00 ,  H04L1/00 ,  H04L25/49 ,  H04B10/27 ,  H04J14/02 ,  H04L12/413

CPC classification number: H04L1/0045 ,  H04B10/27 ,  H04J14/0227 ,  H04L1/00 ,  H04L1/0057 ,  H04L12/413 ,  H04L25/4908

Abstract: The present disclosure provides a method, a system, and an apparatus for data communication in an optical network system. A new encoding scheme is implemented in the following manner: performing 32-bit to 34-bit encoding on a data stream on which 8-bit/10-bit decoding has been performed, performing forward error correction encoding on the data stream on which the 32-bit to 34-bit encoding has been performed, and sending the encoded data stream; or performing forward error correction decoding on a received data stream, and performing 32-bit to 34-bit decoding on the data stream on which the forward error correction decoding has been performed. In this way, a bandwidth resource of a line is saved; line monitoring can be implemented without interrupting a service, which is easy to implement and greatly improves various types of performance of the system.

公开(公告)号：US10855375B2

公开(公告)日：2020-12-01

申请号：US16381096

申请日：2019-04-11

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhiguang Xu ,  Yue Wen

IPC: H04B10/00 ,  H04B10/40 ,  H04B10/50 ,  G02B6/42 ,  H04B10/25

Abstract: Embodiments provide an optical transceiver assembly for resolving a problem that an optical assembly has a large size. The optical transceiver assembly may include a first cavity, a second cavity and WDMs. The first cavity may include at least two optical receivers, which may be configured to receive light of different wavelengths, respectively. The second cavity may include at least two optical transmitters, may be configured to emit light of different wavelengths, respectively. Each of the at least two optical receivers and each of the at least two optical transmitters may correspond to different WDMs, respectively. The WDM corresponding to one of the at least wo optical receivers can be configured to: separate, from light emitted from an optical fiber, light of a wavelength receivable by the corresponding optical receiver, transmit the light to the corresponding optical receiver, and reflect the other wavelengths.

公开(公告)号：US09866318B2

公开(公告)日：2018-01-09

申请号：US15264286

申请日：2016-09-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Heng Wang ,  Zhiguang Xu ,  Enyu Zhou

IPC: H04B17/00 ,  H04B10/079 ,  H04B10/071 ,  H04B10/272 ,  H04B10/564 ,  H04B10/50 ,  H04J14/02

CPC classification number: H04B10/07955 ,  H04B10/071 ,  H04B10/272 ,  H04B10/503 ,  H04B10/5057 ,  H04B10/564 ,  H04B10/572 ,  H04J14/0221 ,  H04J14/0242 ,  H04J14/0282

Abstract: A method includes monitoring a power value of output light of the laser and a power value of reflected light, obtaining an insertion loss value according to the power value of the output light, the power value of the reflected light, and a parameter of a Faraday rotation reflector, obtaining a bias current value according to the insertion loss value, and adjusting the power value of the output light of the laser using the bias current value. The insertion loss value is obtained by detecting the power value of the reflected light obtained after the output light of the laser is reflected. Because the insertion loss value is a power loss value, of the output light of the laser, on a one-way link between the laser and the Faraday rotation mirror.

公开(公告)号：US09588361B2

公开(公告)日：2017-03-07

申请号：US15046646

申请日：2016-02-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jian Chen ,  Zhiguang Xu

IPC: G02B6/00 ,  G02F1/095 ,  G02F1/00 ,  H01F10/193

CPC classification number: G02F1/0955 ,  G02F1/0036 ,  H01F10/193

Abstract: The present disclosure provides an optical isolator which includes a planar lightwave circuit, a magneto-optic thin film and a metal thin film with a magnetic field. A channel for transmitting an optical signal is configured in the planar lightwave circuit. The magneto-optic thin film is disposed on the planar lightwave circuit, and a plane on which the magneto-optic thin film is located is parallel to the channel. The metal thin film is disposed on the magneto-optic thin film.

Abstract translation: 本公开提供了一种光隔离器，其包括平面光波电路，磁光薄膜和具有磁场的金属薄膜。 用于发送光信号的信道被配置在平面光波电路中。 磁光薄膜设置在平面光波电路上，并且磁光薄膜所在的平面平行于通道。 金属薄膜设置在磁光薄膜上。

公开(公告)号：US10209444B2

公开(公告)日：2019-02-19

申请号：US16016402

申请日：2018-06-22

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jing Hu ,  Enyu Zhou ,  Zhiguang Xu

IPC: G02B6/12 ,  H04B10/27 ,  H04J14/02

Abstract: An arrayed waveguide grating includes an input/output waveguide 1, an input/output waveguide 2, a slab waveguide, an arrayed waveguide 1, a reflection zone 1, an arrayed waveguide 2, and a reflection zone 2. The input/output waveguide 1 and the input/output waveguide 2 are located on a same side of the slab waveguide, and are coupled to the slab waveguide. The reflection zone 1 is configured to reflect a light wave in a first band, and to transmit a light wave in a second band. The reflection zone 2 is configured to reflect the light wave in the second band. It is implemented that a single arrayed waveguide grating outputs light waves with different adjacent channel wavelength spacings, and a quantity of devices used in a system in which an uplink adjacent channel wavelength spacing and a downlink adjacent channel wavelength spacing are asymmetrical is further reduced.

公开(公告)号：US10128970B2

公开(公告)日：2018-11-13

申请号：US15187437

申请日：2016-06-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yue Wen ,  Zhiguang Xu ,  Huafeng Lin ,  Xiaoping Zhou ,  Jing Hu

IPC: G02B6/30 ,  H04J14/02 ,  G02B6/42 ,  G02B6/293 ,  H04B10/27 ,  H04B10/40 ,  H04B10/50

Abstract: A circuit board of the optical module comprises: a first electrical interface is configured to connect an electrical interface of a board or a second electrical interface of another optical module, and a second electrical interface is configured to connect a first electrical interface of another optical module; a first optical port is configured to connect an optical transmission device or a second optical port of another optical module, and a second optical port is configured to connect an optical receiving device or a first optical port of another optical module; and a optical transceiver assembly multiplexes downstream light and demultiplexes upstream light. The optical module provided in solutions of the present invention can be flexibly combined with another optical module, enabling flexible and gradual upgrade of an optical module bandwidth according to a user requirement by using various combination manners.

公开(公告)号：US09059563B2

公开(公告)日：2015-06-16

申请号：US14163196

申请日：2014-01-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhiguang Xu ,  Dekun Liu ,  Huafeng Lin

IPC: H01S3/30 ,  H01S3/10 ,  H01S5/14 ,  H01S3/067 ,  H01S5/042 ,  H01S5/065 ,  H04B10/272 ,  H04B10/50 ,  H01S5/40 ,  H04J14/02

CPC classification number: H01S3/10084 ,  H01S3/067 ,  H01S5/0427 ,  H01S5/0656 ,  H01S5/14 ,  H01S5/141 ,  H01S5/146 ,  H01S5/4087 ,  H04B10/272 ,  H04B10/506 ,  H04J14/0282

Abstract: This application provides a self-seeding fiber laser, including: an arrayed waveguide grating; a gain medium, coupled to one branch port of the arrayed waveguide grating; a Faraday rotator mirror, coupled to a common port of the arrayed waveguide grating, and configured to reflect a part of optical signals transmitted by the gain medium and form injection light returning to the gain medium; where the gain medium, the arrayed waveguide grating, and the Faraday rotator mirror form a laser resonator, and the arrayed waveguide grating is configured to perform wavelength selection in the laser resonator; and a compensation apparatus, coupled to the gain medium and configured to provide a compensation current for the gain medium selectively according to power of the injection light.

Abstract translation: 该应用提供了一种自播光纤激光器，包括：阵列波导光栅; 增益介质，耦合到阵列波导光栅的一个分支端口; 耦合到阵列波导光栅的公共端口的法拉第旋转镜，并且被配置为反射由增益介质传输的一部分光信号，并形成返回到增益介质的注入光; 其中增益介质，阵列波导光栅和法拉第旋转镜形成激光谐振器，并且阵列波导光栅被配置为在激光谐振器中执行波长选择; 以及补偿装置，其耦合到所述增益介质并且被配置为根据所述注入光的功率选择性地为所述增益介质提供补偿电流。

公开(公告)号：US09838147B2

公开(公告)日：2017-12-05

申请号：US14742437

申请日：2015-06-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhiguang Xu ,  Huafeng Lin ,  Xiaoping Zhou ,  Dekun Liu

IPC: H04B10/40 ,  H04J14/02 ,  G02B6/42 ,  H04B10/27

CPC classification number: H04J14/02 ,  G02B6/4278 ,  H04B10/27 ,  H04B10/40

Abstract: Embodiments of the present invention provide a line card, an optical module, and an optical network device. The optical module includes at least one electrical interface and at least one optical interface. The wavelength division multiplexer/demultiplexer includes a first interface and a second interface. The panel is disposed on an edge of the mainboard. The electrical interface is electrically connected to the mainboard. The optical interface faces a direction that is from the edge of the mainboard to an interior of the mainboard and that is parallel to the mainboard, and the optical interface is connected to the first interface. The wavelength division multiplexer/demultiplexer is disposed on the mainboard, the second interface is configured to connect to a feeder fiber, and the feeder fiber is configured to connect an optical network device at a sending end and an optical network device at a receiving end.

公开(公告)号：US20170005728A1

公开(公告)日：2017-01-05

申请号：US15264286

申请日：2016-09-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Heng Wang ,  Zhiguang Xu ,  Enyu Zhou

IPC: H04B10/079 ,  H04B10/564 ,  H04J14/02 ,  H04B10/50 ,  H04B10/071 ,  H04B10/272

CPC classification number: H04B10/07955 ,  H04B10/071 ,  H04B10/272 ,  H04B10/503 ,  H04B10/5057 ,  H04B10/564 ,  H04B10/572 ,  H04J14/0221 ,  H04J14/0242 ,  H04J14/0282

Abstract: A method includes monitoring a power value of output light of the laser and a power value of reflected light, obtaining an insertion loss value according to the power value of the output light, the power value of the reflected light, and a parameter of a Faraday rotation reflector, obtaining a bias current value according to the insertion loss value, and adjusting the power value of the output light of the laser using the bias current value. The insertion loss value is obtained by detecting the power value of the reflected light obtained after the output light of the laser is reflected. Because the insertion loss value is a power loss value, of the output light of the laser, on a one-way link between the laser and the Faraday rotation mirror.

Abstract translation: 一种方法包括监视激光器的输出光的功率值和反射光的功率值，根据输出光的功率值，反射光的功率值和法拉第的参数获得插入损耗值 旋转反射器，根据插入损耗值获得偏置电流值，并使用偏置电流值调整激光器的输出光的功率值。 通过检测在激光的输出光被反射之后获得的反射光的功率值来获得插入损耗值。 因为插入损耗值是激光输出光的功率损耗值，在激光器和法拉第旋转镜之间的单向连接上。

公开(公告)号：US20160161772A1

公开(公告)日：2016-06-09

申请号：US15046646

申请日：2016-02-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jian Chen ,  Zhiguang Xu

IPC: G02F1/095

CPC classification number: G02F1/0955 ,  G02F1/0036 ,  H01F10/193

Abstract: The present disclosure provides an optical isolator which includes a planar lightwave circuit, a magneto-optic thin film and a metal thin film with a magnetic field. A channel for transmitting an optical signal is configured in the planar lightwave circuit. The magneto-optic thin film is disposed on the planar lightwave circuit, and a plane on which the magneto-optic thin film is located is parallel to the channel. The metal thin film is disposed on the magneto-optic thin film.

Abstract translation: 本公开提供了一种光隔离器，其包括平面光波电路，磁光薄膜和具有磁场的金属薄膜。 用于发送光信号的信道被配置在平面光波电路中。 磁光薄膜设置在平面光波电路上，并且磁光薄膜所在的平面平行于通道。 金属薄膜设置在磁光薄膜上。