Abstract: An auto-deployment server may receive, from a TFTP server, a notification message carrying a temporary IP address and a name of a basic configuration file obtained by the device from a DHCP server. The auto-deployment server may obtain the basic configuration file corresponding to the name of the basic configuration file from basic configuration files stored in the auto-deployment serve, may obtain a MAC address of the device according to the basic configuration file and the temporary IP address, may obtain a baseline startup configuration file of the device according to the MAC address, may deploy the baseline startup configuration file to the device, and may trigger the device to execute the baseline startup configuration file.

Abstract: A single-fiber subassembly includes a first photodiode for receiving incident light, a laser diode for transmitting emergent light, and a same-wavelength optical splitter having a positive direction. The splitter includes a first birefringent plate, a half-wave plate, a 45° Faraday rotator, and a second birefringent plate arranged in sequence along and vertical to the positive direction. An included angle between an optical axis of the first plate and the positive direction is ?, where 0°<?<90°; an angle between an e-axis of the half-wave plate and a principal section of the first plate is ?, where ?=22.5° or 67.5°. The incident light passes through the splitter along the positive direction; the emergent light passes through the splitter along a direction opposite to the positive direction; and the emergent light is linearly polarized light whose polarization direction is vertical to the principal section of the first plate.

Abstract: An optical multiplexer and a transmitter optical subassembly are provided that relate to the field of optics communications. A light-combining part is formed by using at least one light combiner that can combine two beams of light into one beam of light, and at least two levels of light-combining parts are used to constitute an optical multiplexer, so that 2N beams of light are combined into one beam by using N level of light-combining parts, thereby reducing a package size and packaging loss, and reducing the complexity of a manufacturing process.

Abstract: Embodiments of the present invention relate to a bi-direction optical sub-assembly and an optical transceiver. A transmitter in the bi-direction optical sub-assembly is configured to transmit a first communication signal or a detection signal, where the first communication signal or the detection signal is input from a first end of a first optical path and output from a second end of the first optical path, enters a second end of a third optical path through reflection of a WDM optical filter, and is input from a first end of the third optical path to an optical fiber. A second communication signal received by the optical fiber is input from the first end of the third optical path and output from the second end of the third optical path, and the second signal is received by a BOSA receiver through transmission of the WDM optical filter.

Abstract: A single-fiber subassembly includes a first photodiode for receiving incident light, a laser diode for transmitting emergent light, and a same-wavelength optical splitter having a positive direction. The splitter includes a first birefringent plate, a half-wave plate, a 45° Faraday rotator, and a second birefringent plate arranged in sequence along and vertical to the positive direction. An included angle between an optical axis of the first plate and the positive direction is ?, where 0°<?<90°; an angle between an e-axis of the half-wave plate and a principal section of the first plate is ?, where ?=22.5° or 67.5°. The incident light passes through the splitter along the positive direction; the emergent light passes through the splitter along a direction opposite to the positive direction; and the emergent light is linearly polarized light whose polarization direction is vertical to the principal section of the first plate.

Abstract: Apparatus for efficiently electrolyzing water comprising an electrolysis cell and gas-liquid separating mechanism, wherein the electrolysis cell is composed of a plurality of compartments, each of which has two plate electrodes with a membrane assembly sandwiched therebetween, the plate electrodes and the membrane assembly are spaced by a concavo-convex ion net and a concavo-convex nichel net respectively so that the spacing between the two electrodes is greatly reduced.