Huawei Technologies Co., Limited

Shijun Wang

Jun Zhao

Xishe Liu

Yunsheng Wen

Zhiyong Xiao

Heyuan Liu

Bo Wang

Xiaolei Shan

Jinlin Zhou

Jingran Kang

Changjiu Xu

Shuguang Wang

Yunfeng Peng

Xiande Bao

A fiber link recognition method, device, and system, to recognize different fiber links where the method includes sending, by a link recognition device, a first test optical signal, receiving a second test optical signal that is returned after the first test optical signal is sent to a connection port of a first optical node, acquiring a reflection peak of the second test optical signal on a fiber link, determining a port identifier of the connection port of the first optical node according to the reflection peak of the second test optical signal on the fiber link, and recognizing, the fiber link corresponding to the second test optical signal that is returned by the connection port of the first optical node. The method embodiment is used to recognize a fiber link.

Fiber link recognition method, device, and system

The present invention provides an optical path processing method and apparatus. The apparatus includes an FA, an LA, an aspheric lens, a filter, and a reflector, where the FA includes a test optical channel, where the test optical channel is configured to receive test light, and enable the test light to be incident through the LA and the aspheric lens to a surface of the filter; the filter is located between the aspheric lens and the reflector, and is configured to perform transmission on the test light; and the reflector is at a distance of less than or equal to a first preset value away from a focus of light transmitted through the aspheric lens, and is configured to reflect, at a preset angle, the test light transmitted through the filter to a specular surface of the reflector.

Optical path processing method and apparatus

The present invention provides an optical component and an optical device, and the optical component includes a two-dimensional fiber array and a compensation block, where an end face of the two-dimensional fiber array is obliquely polished as a whole; the compensation block is disposed between the two-dimensional fiber array and another optical component; any two light beams that pass through the two-dimensional fiber array and are emitted from the obliquely polished end face of the two-dimensional fiber array are incident to an end face of the compensation block in parallel, and are incident to an end face of the another optical component in parallel after being refracted by another end face of the compensation block.

Optical component and optical device

A method for detecting branch fibers is provided, which includes: sending test signals to a plurality of branch fibers, where the test signals are added at ports of the optical splitting module with identification information for identifying branch fibers connected to the ports and receiving a reflection signal added with the identification information of a detected branch fiber, identifying the detected branch fiber corresponding to the reflection signal through detecting the identification information added to the reflection information, and obtaining channel characteristics of the detected branch fiber according to the reflection signal. Further, a system and an apparatus for detecting branch fibers are provided.

Method and apparatus for detecting branch fibers, and passive optical network

An optical switch system and the system includes a semi-transmissive semi-reflective module is configured to intercept, in a transmission manner, test light that is the same as the signal light with respect to the propagation path and output after being modulated by the optical output control module; the imaging module is configured to acquire the test light, generate corresponding initial optical path information and sampled optical path information in sequence, and transfer the initial optical path information and the sampled optical path information to the judging module in sequence; the judging module is configured to record the initial optical path information, and compare the sampled optical path information with the initial optical path information; and the control module is configured to control the optical output control module according to a comparison result.

Optical switch system and feedback control method of signal light

Growing community of inventors

Wuhan, China

Shijun Wang