公开(公告)号：US09998214B2

公开(公告)日：2018-06-12

申请号：US15289398

申请日：2016-10-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaoping Zhou ,  Jinrong Yin ,  Cong Chen

IPC: H04B10/071 ,  H04J14/02 ,  H04B10/70 ,  H04B10/80

CPC classification number: H04B10/071 ,  H04B10/70 ,  H04B10/80 ,  H04J14/0282

Abstract: Embodiments disclose an OTDR implementation apparatus. The apparatus includes M transmitters, configured to transmit M optical waves of different wavelengths, where M is greater than or equal to 2. The apparatus also includes a processor, configured to control an OTDR detection circuit to load an OTDR detection signal onto a first transmitter, where the first transmitter is configured to only load the OTDR detection signal, and the other M−1 transmitters are configured to transmit a downlink optical signal, where the downlink optical signal is a high frequency signal. The apparatus also includes the OTDR detection circuit, configured to generate the OTDR detection signal, where the OTDR detection signal is a low frequency signal; and M receivers, where a first receiver is connected to an egress link of the M transmitters, and the other M−1 receivers are connected after a demultiplexer, and are configured to receive multiple uplink signals.

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：US20170033863A1

公开(公告)日：2017-02-02

申请号：US15289398

申请日：2016-10-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaoping Zhou ,  Jinrong Yin ,  Cong Chen

IPC: H04B10/071

CPC classification number: H04B10/071 ,  H04B10/70 ,  H04B10/80 ,  H04J14/0282

Abstract: Embodiments disclose an OTDR implementation apparatus. The apparatus includes M transmitters, configured to transmit M optical waves of different wavelengths, where M is greater than or equal to 2. The apparatus also includes a processor, configured to control an OTDR detection circuit to load an OTDR detection signal onto a first transmitter, where the first transmitter is configured to only load the OTDR detection signal, and the other M−1 transmitters are configured to transmit a downlink optical signal, where the downlink optical signal is a high frequency signal. The apparatus also includes the OTDR detection circuit, configured to generate the OTDR detection signal, where the OTDR detection signal is a low frequency signal; and M receivers, where a first receiver is connected to an egress link of the M transmitters, and the other M−1 receivers are connected after a demultiplexer, and are configured to receive multiple uplink signals.

Abstract translation: 实施例公开了一种OTDR实现装置。 该装置包括M个发射机，被配置为发射M个大于或等于2的不同波长的M个波。该装置还包括一个处理器，被配置为控制OTDR检测电路将OTDR检测信号加载到第一发射机 ，其中第一发射机被配置为仅加载OTDR检测信号，并且其他M-1发射机被配置为发送下行链路光信号，其中下行链路光信号是高频信号。 该装置还包括OTDR检测电路，被配置为产生OTDR检测信号，其中OTDR检测信号是低频信号; 和M个接收机，其中第一接收机连接到M个发射机的出口链路，另一个M-1接收机连接在解复用器之后，并被配置为接收多个上行链路信号。

公开(公告)号：US09831946B2

公开(公告)日：2017-11-28

申请号：US15198676

申请日：2016-06-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaoping Zhou ,  Jing Hu ,  Yue Wen ,  Lei Wang ,  Xu Pan ,  Chengzhi Xu

IPC: H04B10/08 ,  H04B10/077 ,  H04J14/02 ,  H04Q11/00

CPC classification number: H04B10/0773 ,  H04J14/0204 ,  H04J14/0212 ,  H04J14/0223 ,  H04J14/0227 ,  H04J14/0282 ,  H04J14/0295 ,  H04J14/0297 ,  H04Q11/0067 ,  H04Q2011/0016 ,  H04Q2011/0081

Abstract: The present invention discloses: when a first laser in N lasers is switched to a second idle laser in M lasers, a wavelength of a wavelength-selective optical element to which the first laser is coupled is adjusted from a first wavelength to a second wavelength, and the second wavelength is different from the N wavelengths. Similarly, when a first optical receiver in N optical receivers is switched to a second idle optical receiver in M optical receivers, a wavelength of a wavelength-selective optical element to which the first optical receiver is coupled is adjusted from a first wavelength to a second wavelength, and the second wavelength is different from the N wavelengths.

公开(公告)号：US09570885B2

公开(公告)日：2017-02-14

申请号：US14308335

申请日：2014-06-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaoping Zhou

IPC: H04B10/572 ,  H04B10/50 ,  H01S5/00 ,  H01S5/20 ,  H01S5/22 ,  H01S5/0625 ,  H04B10/556 ,  H01S5/12 ,  H01S5/323

CPC classification number: H01S5/06251 ,  H01S5/06256 ,  H01S5/12 ,  H01S5/22 ,  H01S5/32333 ,  H04B10/503 ,  H04B10/5563 ,  H04B10/572

Abstract: The present invention provide a laser, where the laser is divided into a laser region and a grating adjustment region through a first electrical isolation layer; the laser region is configured to generate optical signals, where the optical signals include an optical signal with a wavelength corresponding to a “0” signal and an optical signal with a wavelength corresponding to a “1” signal; the grating adjustment region is configured to adjust a wavelength of the grating adjustment region by controlling current of the grating adjustment region, so that the optical signal with the wavelength corresponding to the “1” signal of the laser region passes through the grating adjustment region, and the optical signal with the wavelength corresponding to the “0” signal of the laser region returns to the laser region, thereby implementing suppression to chirp of a directly modulated laser.

Abstract translation: 本发明提供一种激光器，其中通过第一电隔离层将激光器分成激光区域和光栅调节区域; 激光区域被配置为产生光信号，其中光信号包括具有对应于“0”信号的波长的光信号和具有对应于“1”信号的波长的光信号; 光栅调整区域通过控制光栅调整区域的电流来调整光栅调整区域的波长，使得与激光区域的“1”信号对应的波长的光信号通过光栅调整区域， 并且具有对应于激光区域的“0”信号的波长的光信号返回到激光区域，从而实现对直接调制激光器的啁啾的抑制。

公开(公告)号：US20160315698A1

公开(公告)日：2016-10-27

申请号：US15198676

申请日：2016-06-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaoping Zhou ,  Jing Hu ,  Yue Wen ,  Lei Wang ,  Xu Pan ,  Chengzhi Xu

IPC: H04B10/077 ,  H04Q11/00 ,  H04J14/02

CPC classification number: H04B10/0773 ,  H04J14/0204 ,  H04J14/0212 ,  H04J14/0223 ,  H04J14/0227 ,  H04J14/0282 ,  H04J14/0295 ,  H04J14/0297 ,  H04Q11/0067 ,  H04Q2011/0016 ,  H04Q2011/0081

Abstract: The present invention discloses: when a first laser in N lasers is switched to a second idle laser in M lasers, a wavelength of a wavelength-selective optical element to which the first laser is coupled is adjusted from a first wavelength to a second wavelength, and the second wavelength is different from the N wavelengths. Similarly, when a first optical receiver in N optical receivers is switched to a second idle optical receiver in M optical receivers, a wavelength of a wavelength-selective optical element to which the first optical receiver is coupled is adjusted from a first wavelength to a second wavelength, and the second wavelength is different from the N wavelengths.

Abstract translation: 本发明公开了：当N激光器中的第一激光器被切换到M激光器中的第二怠速激光器时，将第一激光器耦合的波长选择性光学元件的波长从第一波长调节到第二波长， 第二波长与N个波长不同。 类似地，当在N个光接收器中的第一光接收器被切换到M个光接收器中的第二空闲光接收器时，将第一光接收器耦合的波长选择光学元件的波长从第一波长调节到第二波长 波长，第二波长不同于N个波长。

公开(公告)号：US20160252678A1

公开(公告)日：2016-09-01

申请号：US15152831

申请日：2016-05-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jing Hu ,  Xiaoping Zhou

IPC: G02B6/12

CPC classification number: G02B6/12011 ,  G02B6/12023 ,  G02B6/12026

Abstract: The present invention provides three waveguide structures, including a protruding-type waveguide structure, a buried-type waveguide structure, and a redeposited-type waveguide structure, the protruding-type waveguide structure includes two axisymmetrically disposed first ends, and the first end is sequentially divided into a first region, a second region, and a third region in a direction toward an axis of symmetry; and the waveguide structure includes a first silicon substrate layer, a second silicon substrate layer, a first silicon dioxide layer, a second silicon dioxide layer, and a first silicon waveguide layer. The waveguide structure and the waveguide coupling structure that are provided in the present invention have advantages of a small size, low polarization dependence, and low temperature sensitivity, and a crosstalk value is greater than 25 dB, which meets a requirement of a passive optical network system, and provides feasibility for commercialization of the arrayed waveguide grating.

Abstract translation: 本发明提供了三个波导结构，包括突出型波导结构，埋式波导结构和再沉积型波导结构，突出型波导结构包括两个轴对称布置的第一端，第一端依次 在朝向对称轴的方向上分为第一区域，第二区域和第三区域; 并且所述波导结构包括第一硅衬底层，第二硅衬底层，第一二氧化硅层，第二二氧化硅层和第一硅波导层。 本发明提供的波导结构和波导耦合结构具有体积小，偏振相关性低，温度灵敏度低的优点，串扰值大于25dB，满足无源光网络的要求 系统，并为阵列波导光栅的商业化提供可行性。

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：US09746606B2

公开(公告)日：2017-08-29

申请号：US15152831

申请日：2016-05-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jing Hu ,  Xiaoping Zhou

IPC: G02B6/12

CPC classification number: G02B6/12011 ,  G02B6/12023 ,  G02B6/12026

Abstract: The present invention provides three waveguide structures, including a protruding-type waveguide structure, a buried-type waveguide structure, and a redeposited-type waveguide structure, the protruding-type waveguide structure includes two axisymmetrically disposed first ends, and the first end is sequentially divided into a first region, a second region, and a third region in a direction toward an axis of symmetry; and the waveguide structure includes a first silicon substrate layer, a second silicon substrate layer, a first silicon dioxide layer, a second silicon dioxide layer, and a first silicon waveguide layer. The waveguide structure and the waveguide coupling structure that are provided in the present invention have advantages of a small size, low polarization dependence, and low temperature sensitivity, and a crosstalk value is greater than 25 dB, which meets a requirement of a passive optical network system, and provides feasibility for commercialization of the arrayed waveguide grating.

公开(公告)号：US20150288477A1

公开(公告)日：2015-10-08

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: H04J14/02 ,  H04B10/40 ,  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.

Abstract translation: 本发明的实施例提供一种线路卡，光模块和光网络设备。 光学模块包括至少一个电接口和至少一个光接口。 波分多路复用器/解复用器包括第一接口和第二接口。 面板设置在主板的边缘。 电气接口电连接到主板。 光接口面向从主板边缘到主板内部平行于主板的方向，光接口连接到第一接口。 波分复用器/解复用器设置在主板上，第二接口被配置为连接到馈线光纤，并且馈线光纤被配置为在发送端连接光网络设备和在接收端连接光网络设备。