Huawei Technologies Co., Limited

Tencent Technology (shenzhen) Company Limited

Min Zhou

Zhenxing Liao

Huafeng Lin

Lei Zhang

Xi Zhang

Jing Huang

Lei Zhou

Ning Cheng

Enyu Zhou

Zhenqing Zhao

Lingjie Wang

Chun Sun

Ganghuan He

Philippe Fournier Viger

Ganyu Lu

Lei Wang

An optical waveguide structure and a manufacturing method, an optical waveguide module, an optical switching device, and an optical waveguide system are provided, and belong to the field of optical communication. The optical waveguide structure includes: at least two optical waveguides disposed in a stacked manner, where a first optical waveguide channel is disposed between two optical waveguides located at different layers in the at least two optical waveguides, and two ends of the first optical waveguide channel are physically connected to the two optical waveguides.

Optical waveguide structure and manufacturing method, optical waveguide module, optical switching device, and system

This application discloses an alarm processing method and apparatus, a device, and a readable storage medium. An example method includes generating an alarm attribute graph based on alarm records in a target network and topology data of the target network. The alarm attribute graph includes identifiers of a plurality of devices, a communication connection relationship between the plurality of devices, type information of the plurality of devices, and alarm attribute information of the plurality of devices. The alarm attribute information of each device includes a name of an alarm occurring in the device and a time point at which each alarm occurs in the device.

Alarm processing method and apparatus, device, and readable storage medium

An electronic device with a display and a touch-sensitive surface displays an interaction region that includes one or more interaction objects. While displaying the interaction region, the device displays an effect selection panel that includes effect selection affordances that correspond to different predefined effects. In response to detecting a consecutive sequence of one or more inputs, the device selects a first effect selection affordance in accordance with a first contact, displays a first visual indication that indicates selection of the first effect selection affordance and identifies at least one interaction object as being linked to the first effect selection affordance; and applies the first effect to the identified interaction object in accordance with a termination of the first contact on the touch-sensitive surface while the first effect selection affordance remains selected.

Devices, methods, and graphical user interfaces for providing game controls

An electronic device with a display and a touch-sensitive surface displays an interaction region that includes one or more objects; while displaying the interaction region, the device displays an effect selection panel that includes effect selection affordances that correspond to different predefined effects, and detects a sequence of one or more inputs, including detecting a first contact and movement of the first contact; and when the sequence of one or more inputs meets effect selection criteria with respect to a first effect selection affordance, the device displays a first visual indication that indicates selection of the first effect selection affordance; and when effect adjustment criteria are met with respect to a first effect corresponding to the first effect selection affordance, the device displays a second visual indication to indicate adjustment of an effect position corresponding to the first effect in accordance with the movement of the first contact.

A material for blocking crosstalk, an optical assembly, and a method for preparing the material are provided. The optical assembly includes an optical receive assembly, where a periphery of the optical receive assembly includes a transparent region and a non-transparent region; the transparent region is made of the material, where a first layer of film is located on a side opposite to an optical receiving direction, and a second layer of film is located on a side opposite to the optical receive assembly; and the non-transparent region is of an electrical-signal shielding structure.

Material for blocking crosstalk, optical assembly, and method for preparing material

A collimation lens and an optical module of the collimation lens. The collimation lens includes a front convex aspheric lens, a first polarizing filter, a Faraday rotation (FR) crystal, a second polarizing filter, and a rear convex aspheric lens. The front convex aspheric lens is coupled to a first end face of the collimation lens, and the rear convex aspheric lens is coupled to a second end face of the collimation lens. The first polarizing filter is coupled between the front convex aspheric lens and the FR crystal, and the second polarizing filter is coupled between the FR crystal and the rear convex aspheric lens.

Collimation lens and optical module

Embodiments provide an electromagnetic shielding material and a method for packaging an optical module, where the electromagnetic shielding material includes an electromagnetic shield layer. The electromagnetic shield layer includes an external flux guide layer, an insulation medium layer, and an internal flux guide layer. The external flux guide layer is of a mesh structure, and each mesh forms a first guiding unit. The first guiding unit is of a tapered structure, and the guiding unit forms a first included angle with a horizontal direction. The first included angle is greater than 0 degrees and less than 90 degrees. A cross section of the electromagnetic shield layer is in a sawtooth shape.

Electromagnetic shielding material and method for packaging optical module

An optical transmit system, including a direct modulator configured to generate an optical signal, an optical amplifier coupled to the direct modulator configured to amplify the optical signal output by the direct modulator, and a stimulated Brillouin scattering component coupled to the optical amplifier configured to limit optical power of the optical signal output by the optical amplifier, where a stimulated Brillouin scattering threshold of the stimulated Brillouin scattering component is equal to minimum optical power of a part, which needs to be limited, of the optical signal output by the optical amplifier, and the stimulated Brillouin scattering component reflects, using a stimulated Brillouin scattering frequency difference, a part, which has optical power higher than the minimum optical power, of the optical signal output by the optical amplifier in order to limit outputting of this part of the optical signal.

Optical transmit system

A filter includes two translucent bodies. Each of the translucent bodies has a first plane, a second plane that forms a wedge angle with the first plane, and a third plane that intersects with both the first plane and the second plane, first planes of the two translucent bodies are parallel to each other, and second planes of the two translucent bodies are parallel to each other. The filter also comprises a beam splitting film, where surfaces of both sides are respectively combined with the first planes of the two translucent bodies. Two reflective films are combined, respectively, with the second planes of the two translucent bodies.

Filter, method for producing filter, and laser wavelength monitoring apparatus

Embodiments of the present invention disclose an optical transmitter, a 10 G-DML, an MPD, an MPD, a collimation lens, and a narrowband optical filter are disposed in a TO to achieve monitoring of an optical power, received optical powers are monitored by using the MPDand the MPD, the detected optical powers are output to a wavelength locking monitoring circuit by using a TO pin, variations, which are detected by the wavelength locking monitoring circuit, of the optical power and a variation of a wavelength locking factor K0 are separately compared with corresponding thresholds, and a comparison result are sent to a wavelength locking control circuit, to enable the wavelength locking control circuit to adjust, according to the comparison result and by using the TO pin, a temperature of a TEC to perform wavelength alignment.

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Shenzhen, China

Min Zhou