公开(公告)号：US20220320815A1

公开(公告)日：2022-10-06

申请号：US17842300

申请日：2022-06-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ning DENG ,  Yunfei YAN ,  Bo WU ,  Yongze YU

IPC: H01S3/067 ,  H01S3/094 ,  H01S3/16 ,  H01S3/10

Abstract: Example optical amplification apparatus and example signal amplification methods are provided. One example optical amplification apparatus is connected to an optical fiber. The optical amplification apparatus includes a first pump laser and a first gain medium. The first pump laser is configured to emit first pump light. The first gain medium is configured to receive the first pump light and first multi-channel optical signals from the optical fiber; and perform gain amplification on the first multi-channel optical signals based on the first pump light, where the first pump light overlaps each of the first multi-channel optical signals in the first gain medium.

公开(公告)号：US20210344425A1

公开(公告)日：2021-11-04

申请号：US17378329

申请日：2021-07-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xu ZHOU ,  Ning DENG

IPC: H04B10/40 ,  H04B10/516 ,  H04B10/61 ,  H04B10/64

Abstract: Embodiments of the present invention disclose an optical signal transmission system and an optical signal transmission method. A specific solution is as follows: a first coherent transceiver is configured to: convert N channels of downlink data into N modulating signals, convert the N modulating signals into a first wavelength division multiplexing signal, and send the first wavelength division multiplexing signal to an optical transport unit; the optical transport unit is configured to: receive the first wavelength division multiplexing signal, convert the first wavelength division multiplexing signal into N second optical signals, and correspondingly send the N second optical signals to N second coherent transceivers; and one of the N second coherent transceivers is configured to: receive the N second optical signals, and process the N second optical signals to obtain information in downlink data carried in the N second optical signals.

公开(公告)号：US20160380696A1

公开(公告)日：2016-12-29

申请号：US15262632

申请日：2016-09-12

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ning DENG ,  Juan WANG

IPC: H04B10/079 ,  H04J14/02

CPC classification number: H04B10/07957 ,  H04B10/07953 ,  H04B10/07955 ,  H04B10/548 ,  H04J14/02

Abstract: A method and an apparatus for monitoring a wavelength channel are disclosed. The method includes: performing optical-to-electrical detection on an optical signal on a wavelength channel, to obtain an electrical signal; obtaining a frequency spectrum of the electrical signal; determining a first parameter M according to an equation M=NAC, where NAC represents an alternating current component of the frequency spectrum of the electrical signal; and if M is greater than a preset first threshold, determining that the wavelength channel includes a real service signal. According to the method and apparatus, an erroneous configuration or operation of a network management system can be avoided.

Abstract translation: 公开了一种用于监测波长信道的方法和装置。 该方法包括：对波长信道上的光信号执行光电检测，以获得电信号; 获得电信号的频谱; 根据等式M = NAC确定第一参数M，其中NAC表示电信号的频谱的交流分量; 并且如果M大于预设的第一阈值，则确定所述波长信道包括实际服务信号。 根据该方法和装置，可以避免网络管理系统的错误配置或操作。

公开(公告)号：US20150071637A1

公开(公告)日：2015-03-12

申请号：US14541950

申请日：2014-11-14

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ning DENG ,  Maarten P.J. Vissers ,  Xiaozhong Shi

IPC: H04Q11/00

CPC classification number: H04Q11/0071 ,  H04J3/1658 ,  H04J2203/0085 ,  H04Q11/0066 ,  H04Q2011/0086

Abstract: Embodiments of the present invention provide a data processing method, related device, and system for an optical transport network. The data processing method for the optical transport network includes: encapsulating service data into an optical payload unit; mapping the optical payload unit to an optical channel data unit; mapping the optical channel data unit to a payload area of an optical burst transport unit; performing electrical-optical conversion on the optical burst transport unit to form an optical burst transport unit; carrying the optical burst transport unit onto an optical timeslot of an optical burst channel; and transmitting the optical burst channel to a line. Technical solutions provided by the present invention can effectively simplify a data processing process and reduce a data processing delay.

Abstract translation: 本发明的实施例提供了一种用于光传输网络的数据处理方法，相关设备和系统。 光传输网络的数据处理方法包括：将业务数据封装到光有效载荷单元中; 将光学有效载荷单元映射到光信道数据单元; 将光信道数据单元映射到光脉冲串传输单元的有效载荷区域; 在所述光突发传送单元上执行电光转换以形成光突发传送单元; 将光脉冲串传送单元携带到光突发信道的光时隙上; 并将光突发信道发送到一条线路。 本发明提供的技术方案可以有效地简化数据处理过程并减少数据处理延迟。

公开(公告)号：US20230076388A1

公开(公告)日：2023-03-09

申请号：US17986198

申请日：2022-11-14

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yunfei YAN ,  Jinlei WANG ,  Ning DENG

IPC: G02B27/01

Abstract: One example display apparatus includes a multi-focus image generation device with a plurality of different focal lengths, configured to generate a first plurality of images, where focal planes of the first plurality of images are located in different positions. The example display apparatus includes a light diffuser screen, disposed on an image plane of the multi-focus image generation device, and configured to receive the first plurality of images, and diffuse light beams of the first plurality of images to generate a second plurality of images. The example display apparatus includes an optical image device, configured to image light beams of the second plurality of images to form a third plurality of images with different imaging distances.