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公开(公告)号：US20170331256A1
公开(公告)日：2017-11-16
申请号：US15668490
申请日：2017-08-03
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiaolu Song
CPC classification number: H01S5/4025 , H01S5/0071 , H01S5/0078 , H01S5/0085 , H01S5/02248 , H01S5/06226 , H01S5/1042 , H01S5/142 , H01S5/4012
Abstract: In the field of optical networks, a laser, a laser modulation method and a laser combination system are disclosed. The laser includes a gain medium, a resonant cavity, and a second microring resonator. The resonant cavity includes a first cavity mirror and a second cavity mirror. The first cavity mirror is located at one port of the gain medium, the second cavity mirror is located at another port of the gain medium, and the second cavity mirror includes a splitter, a first microring resonator, and a reflecting grating.
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22.发明授权公开(公告)号：US09210802B2
公开(公告)日：2015-12-08
申请号：US14143663
申请日：2013-12-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiaolu Song , Lixian Wang , Ninghua Zhu
CPC classification number: H05K1/025 , G02B6/4279 , H05K1/0233 , H05K2201/09727 , H05K2201/10022 , H05K2201/10121
Abstract: An optoelectronic device includes a packaged part and a core component. The core component includes a chip subcarrier and an optoelectronic chip. The device also includes a connecting plate that forms a coplanar waveguide transmission line together with the ground through a high-frequency transmission line and an isolation dielectric. The coplanar waveguide transmission line and a low-frequency line are connected to the packaged part and the core component and are configured to transmit a high-frequency signal and a low-frequency signal between the packaged part and the core component.
Abstract translation: 光电子器件包括封装部件和芯部件。 核心部件包括芯片副载波和光电芯片。 该装置还包括连接板，其通过高频传输线和隔离电介质与地面一起形成共面波导传输线。 共面波导传输线和低频线连接到封装部分和核心部件，并且被配置为在封装部分和核心部件之间传输高频信号和低频信号。
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公开(公告)号：US12107392B2
公开(公告)日：2024-10-01
申请号：US17063917
申请日：2020-10-06
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jialin Zhao , Wei Chen , Xiaolu Song
IPC: H01S5/14 , H01S5/02 , H01S5/02325 , H01S5/026 , H01S5/0687 , H01S5/10 , H01S5/50
CPC classification number: H01S5/142 , H01S5/026 , H01S5/1028 , H01S5/1032 , H01S5/50 , H01S5/021 , H01S5/02325 , H01S5/0261 , H01S5/0687
Abstract: Example wavelength tunable lasers are described. One example wavelength tunable laser includes a reflective semiconductor optical amplifier, three couplers, and at least two microring resonators. The reflective semiconductor optical amplifier is connected to one port of the first coupler. Some of the at least two microring resonators are arranged between another port of the first coupler and one port of the second coupler, the others of the at least two microring resonators are arranged between a third port of the first coupler and a second port of the second coupler, and a third port and a fourth port of the second coupler are connected to two ports of the third coupler.
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公开(公告)号：US20240272367A1
公开(公告)日：2024-08-15
申请号：US18592477
申请日：2024-02-29
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Chengcheng Gui , Cheng Zeng , Jinsong Xia , Xiaolu Song
IPC: G02B6/30
CPC classification number: G02B6/305
Abstract: An optical coupler for use in optical communication includes a buried layer, a support layer, a waveguide layer, and an upper cladding layer. In a height direction, the support layer is located between the buried layer and the waveguide layer, and the waveguide layer is located between the support layer and the upper cladding layer. In a width direction, the waveguide layer and the support layer are located inside the upper cladding layer. A material of the waveguide layer is different from a material of the support layer. The support layer is located inside the upper cladding layer such that two sides of the support layer include the upper cladding layer.
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公开(公告)号：US20240231022A1
公开(公告)日：2024-07-11
申请号：US18613360
申请日：2024-03-22
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zhiyuan Lin , Xiaolu Song , Fei Yu
CPC classification number: G02B6/4269 , H05K7/2039
Abstract: An optical module includes a body and at least one heat dissipation structure. The body has a first end face and a second end face. The first end face of the body has at least one of an optical interface or an electrical interface, and the second end face faces opposite to the first end face. The at least one heat dissipation structure is located on the second end face and/or a side face of the body and can dissipate heat on a surface of the body.
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Patent Agency Ranking
公开(公告)号：US11914268B2
公开(公告)日：2024-02-27
申请号：US17498335
申请日：2021-10-11
Applicant: Huawei Technologies Co., Ltd.
Inventor： Chengcheng Gui , Jialin Zhao , Xiaolu Song
IPC: G02F1/35
CPC classification number: G02F1/3511 , G02F1/353 , G02F1/3542 , G02F2203/56
Abstract: An optical frequency comb light source and an optical frequency comb generation method, where the light source includes a laser diode, a coupler, a Kerr nonlinear device, a beam splitter, and a phase shifter. The laser diode is connected to one input port of the coupler, and the other input port of the coupler is connected to an output port of the phase shifter. An output port of the coupler is connected to an input port of the Kerr nonlinear device. An output port of the Kerr nonlinear device is connected to an input port of the beam splitter. One output port of the beam splitter is connected to an input port of the phase shifter. The other output port of the beam splitter is configured to output a plurality of optical frequency combs. A multi-wavelength light source with relatively high power may be provided.
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27.发明授权公开(公告)号：US11888529B2
公开(公告)日：2024-01-30
申请号：US17865835
申请日：2022-07-15
Applicant: Huawei Technologies Co., Ltd.
Inventor： Rui Li , Xu Sun , Xiaolu Song
IPC: H04B10/04 , H04B10/556 , H04B10/40
CPC classification number: H04B10/556 , H04B10/40
Abstract: A coherent transmitter includes a first beam splitter that splits an input first optical signal to obtain a second optical signal and a third optical signal, a first modulator that modulates the second optical signal to obtain a first modulated signal, a phase shift adjustment unit that adjusts a phase of a first sub-signal in the first modulated signal and adjusts a phase of a fourth sub-signal in the phase-adjusted first sub-signal, a first beam combiner that combines a second sub-signal in the first modulated signal and the phase-adjusted fourth sub-signal to obtain a first combined signal, a first PD that performs optical-to-electrical conversion on the first combined signal to obtain a first electrical signal, and a controller that controls, based on the first electrical signal, a voltage applied to the phase shift adjustment unit.
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公开(公告)号：US20220404651A1
公开(公告)日：2022-12-22
申请号：US17896547
申请日：2022-08-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Chengcheng Gui , Yanbo Li , Xiaolu Song
IPC: G02F1/035 , H04B10/516 , H04B10/50
Abstract: An optical modulator includes a waveguide layer, an electro-optical material layer, and electrodes. The waveguide layer includes a sub-wavelength waveguide; the electro-optical material layer is disposed on a surface of the sub-wavelength waveguide, and the sub-wavelength waveguide is configured to diffuse a light field at the waveguide layer into the electro-optical material layer; the electrodes are disposed on a surface of the electro-optical material layer, and a connection line between the electrodes is parallel to a plane on which the electro-optical material layer is located, or the electrodes are disposed on two sides of the electro-optical material layer, and a connection line between the electrodes intersects with a plane on which the electro-optical material layer is located; and the electrodes are configured to apply an electrical signal to the electro-optical material layer.
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公开(公告)号：US20190171044A1
公开(公告)日：2019-06-06
申请号：US16252450
申请日：2019-01-18
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yanbo Li , Xiaolu Song , Zhen Dong , Ruiqiang Ji , Shengmeng Fu , Li Zeng
IPC: G02F1/025
CPC classification number: G02F1/025 , G02F1/015 , G02F2001/0151
Abstract: An electro-optic modulator includes an input waveguide, a beam splitter connected to the input waveguide, a modulation arm that is disposed on each branch of the beam splitter and modulates a signal. Each modulation arm is correspondingly disposed with a first layer electrode and a second layer electrode. The first layer electrode is a high-frequency traveling wave electrode and is configured to change carrier concentration in the modulation arm, the second layer electrode is a direct current electrode having an inductor function, and an inductor formed in the second layer electrode is connected to the first layer electrode. The electro-optic modulator has functions of a bias tee, so that integration of the electro-optic modulator can be improved without affecting its performance. High-density packaging layout difficulty and cabling pressure can be effectively reduced, and cabling and packaging of a multi-channel high-speed signal on a base board can be implemented.
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公开(公告)号：US09294217B2
公开(公告)日：2016-03-22
申请号：US14154362
申请日：2014-01-14
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiaolu Song , Wenbin Jiang , Qi Deng , Li Zeng
CPC classification number: H04J14/06 , G02B6/2713 , G02B6/2773 , G02B27/283
Abstract: Embodiments of the present invention relate to the optical communication field and disclose an optical signal multiplexing method and an optical multiplexer. The method provided in the present invention includes: adjusting polarization states of two of four optical signals to be multiplexed, and preferably, mutually orthogonal to, the polarization states of the remaining two optical signals; combining one optical signal in the adjusted polarization state with one optical signal in the unadjusted polarization state into one optical signal through polarization multiplexing; and combining the two optical signals obtained through polarization multiplexing into one optical signal. When multiplexing is performed according to the solutions of the present invention, all optical signals are multiplexed into one optical signal based on polarization multiplexing, optical paths traveled by different optical signals differ slightly, and the optical power and the optical field energy distribution differ slightly between different optical signals in the finally multiplexed optical signal.
Abstract translation: 本发明的实施例涉及光通信领域，并公开了光信号复用方法和光复用器。 本发明提供的方法包括：调整要复用的四个光信号中的两个的偏振态，并优选地相互正交于其余两个光信号的偏振状态; 将经调整的偏振状态的一个光信号与未调整偏振状态的一个光信号通过偏振复用组合成一个光信号; 并将通过偏振复用获得的两个光信号组合成一个光信号。 当根据本发明的解决方案进行多路复用时，所有光信号基于偏振复用复用成一个光信号，由不同光信号传播的光路略有不同，光功率和光场能量分布之间略有不同， 最终复用光信号中的不同光信号。
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