公开(公告)号：US20240008340A1

公开(公告)日：2024-01-04

申请号：US18247232

申请日：2021-09-02

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Sulin YANG ,  Yapeng LI

IPC: H10K59/60 ,  H10K59/12 ,  H10K59/35 ,  H10K59/40 ,  A61B5/0205

CPC classification number: H10K59/60 ,  H10K59/12 ,  H10K59/353 ,  H10K59/40 ,  A61B5/0205 ,  A61B5/02416

Abstract: An electronic device includes a body and a PPG sensor. The PPG sensor includes: a substrate, a first electrode, a light emitting layer, a light receiving layer, a second transparent electrode, and a transparent panel that are integrally packaged. The substrate and the first electrode are both located on one side of the light emitting layer, and the second transparent electrode and the transparent panel are both located on the other side of the light emitting layer. The light receiving layer, the first electrode, and the second transparent electrode are all located between the substrate and the transparent panel, and a polarity of the first electrode and a polarity of the second transparent electrode are opposite. The light emitting layer includes a light emitting pixel for emitting an optical signal, and the light receiving layer includes a light receiving pixel for detecting the optical signal.

公开(公告)号：US20180123693A1

公开(公告)日：2018-05-03

申请号：US15845909

申请日：2017-12-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Sulin YANG

IPC: H04B10/2581 ,  H04J14/04 ,  G02B6/02 ,  G02B6/42 ,  G02B6/036

CPC classification number: H04B10/2581 ,  G02B6/02042 ,  G02B6/036 ,  G02B6/2938 ,  G02B6/4246 ,  G02B6/4249 ,  H04B10/25 ,  H04J14/04

Abstract: An optical device (501) is disclosed, including a spatial multiplexer/demultiplexer (520) and an optical splitter (510). The optical splitter (510) is an M:N optical splitter, M is greater than or equal to 2, and N is greater than or equal to M. M is a quantity of common ports of the optical splitter (510), and N is a quantity of drop ports of the optical splitter (510). The spatial multiplexer/demultiplexer (520) includes one common port (521) and M drop ports (522-1 to 522-M). The M drop ports of the spatial multiplexer/demultiplexer (520) are connected to the M common ports of the optical splitter (510). The common port (521) of the spatial multiplexer/demultiplexer (520) has a capability of transmitting optical signals in multiple spatial modes.

公开(公告)号：US20210296859A1

公开(公告)日：2021-09-23

申请号：US17333289

申请日：2021-05-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yuanbing CHENG ,  Jing DAI ,  Yinghua DONG ,  Sulin YANG

IPC: H01S5/12 ,  H04J14/02 ,  H01S5/34

Abstract: A semiconductor laser, an optical transmitter component, an optical line terminal, and an optical network unit. The semiconductor laser includes a substrate, a lower waveguide layer, a lower confining layer, a central layer, an upper confining layer, a grating layer, an upper waveguide layer, and an electrode layer that are sequentially formed on the substrate. The upper confining layer, the central layer, and the lower confining layer in a filtering region form a core layer of the filtering region. The grating layer in the filtering region includes a slanted grating. Thus, a modulation chirp and dispersion of a transmitted optical pulse can be reduced.

公开(公告)号：US20190319711A1

公开(公告)日：2019-10-17

申请号：US16452389

申请日：2019-06-25

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Liqiang YU ,  Liming FANG ,  Sulin YANG ,  Xiaofeng ZHANG

IPC: H04B10/50 ,  H01S5/00 ,  G02F1/015 ,  H04B10/564

Abstract: An optical signal modulation circuit includes a laser (DFB), a modulator (EAM), and an operational amplifier. The laser (DFB) generates a laser to stimulate the modulator (EAM) to generate a photon-generated current (ip), a first port (a) of the modulator (EAM) is connected to a first input voltage (Vbias), a second port (b) of the modulator (EAM) is connected to an inverting input end of the operational amplifier, a non-inverting input end of the operational amplifier is connected to a second input voltage (Vin), and an output end of the operational amplifier is connected to the first port (a) of the modulator. In the modulation circuit, a photon-generated current (ip) of the EAM is fed back to the operational amplifier, to implement a linear relationship between the second input voltage (Vin) and the photon-generated current (ip) of the EAM, and obtain a linear EML transmission curve, namely, a high-linearity EML.

公开(公告)号：US20250090035A1

公开(公告)日：2025-03-20

申请号：US18962491

申请日：2024-11-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Hui YANG ,  Sulin YANG ,  Hongyan JIANG ,  Chen ZHANG ,  Shuyang LIU ,  Chang LIU

IPC: A61B5/024 ,  A61B5/00

Abstract: This application provides examples of an optical measurement apparatus, a bandpass filter, an optical measurement method, and an electronic device. An example optical measurement apparatus includes a light source emitting assembly, a bandpass filter, and a receiving and measuring assembly. The bandpass filter is disposed between a to-be-measured object and the receiving and measuring assembly. An optical filter spectrum band of the bandpass filter includes a light source operating spectrum band of the light source emitting assembly. The light source emitting assembly is configured to emit first detection light to the to-be-measured object. The bandpass filter is configured to emit third detection light to the receiving and measuring assembly based on second detection light. The second detection light includes light reflected or transmitted by the to-be-measured object based on the first detection light.

公开(公告)号：US20190319710A1

公开(公告)日：2019-10-17

申请号：US16453743

申请日：2019-06-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Lingjie WANG ,  Enyu ZHOU ,  Sulin YANG ,  Zhenxing LIAO

IPC: H04B10/50 ,  G02B27/28

Abstract: A transmitter optical subassembly is disclosed including a substrate and a direct modulated laser disposed on the substrate. A single-stage isolator, a polarization direction rotator, and an optical branching filter are disposed side by side on the substrate in a light propagation direction. The polarization direction rotator can adjust linearly polarized light to P-polarized light, the optical branching filter includes an optical splitter subassembly and a filter subassembly, and an optical splitter film in the optical splitter subassembly is an optical splitter film with P polarization. The polarization direction rotator adjusts the incident linearly polarized light to the P-polarized light, and the optical splitter film in the optical branching filter is the optical splitter film with P polarization; all P-polarized light with single polarization can pass through the optical branching filter, without causing any polarization loss or two peaks.

公开(公告)号：US20190013643A1

公开(公告)日：2019-01-10

申请号：US16111727

申请日：2018-08-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yue WEN ,  Zhiguang XU ,  Sulin YANG

IPC: H01S5/024 ,  H01S5/022 ,  G02B6/42

Abstract: An optical component packaging structure includes a base, a sealing cover, and a cooler. The base includes a mounting surface and a back surface that faces a direction opposite to that faced by the mounting surface. The cooler includes a cooling plate, a heat dissipation plate disposed opposite to the cooling plate, and a conductive connection body connecting the cooling plate and the heat dissipation plate. The cooling plate includes a cooling surface. The cooler is partially built in the base. The cooling plate faces a direction the same as the mounting surface. The sealing cover covers the mounting surface, and the sealing cover and the mounting surface form a sealing cavity. The cooling surface is located inside the sealing cavity. The heat dissipation plate protrudes from the back surface and is sealedly connected to the base.

公开(公告)号：US20180041364A1

公开(公告)日：2018-02-08

申请号：US15783918

申请日：2017-10-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Sulin YANG ,  Lehong NIU

IPC: H04L12/46 ,  H04Q11/00

CPC classification number: H04L12/4666 ,  H04Q11/0067 ,  H04Q2011/0088

Abstract: An optical network termination (ONT) receives an uplink message, the ONT includes a virtual local area network (VLAN) tagging operation configuration data managed entity (ME) with a VLAN tagging operation table, and each entry of the VLAN tagging operation table includes a group of operation value fields and a group of filter value fields including an outer layer VLAN priority filter value, an outer layer VID filter value, an inner layer VLAN priority filter value and an inner layer VID filter value. The ONT filters the received uplink message according to a characteristic value of the received uplink message by using at least one of the above values in a corresponding entry of the VLAN tagging operation table. The ONT performs a VLAN tagging operation for the filtered o uplink message.