Abstract: An optical transceiver module structure, a Passive Optical Network (PON) system and an optical transmission system are provided. The optical transceiver module structure includes: a first optical interface, of which one end is connected to a service optical fibre and the other end is connected to an optical functional module; the optical functional module; and a second optical interface, of which one end is connected to a service optical interface of a system board and the other end is connected to the optical functional module. The above technical scheme solves the problem in related art that there is no solution for a unitized, low-cost and miniaturized optical module structure which can be connected to an optical fibre service channel in series and have newly added functions realized by a function unit inside the optical module.

Abstract: The embodiments of the present disclosure disclose a method for processing optical signals, an optical module, an Optical Line Terminal (OLT) optical signal processing method and an OLT. The optical module includes two photoelectric transmitter and receiver units and a Wavelength Division Multiplexing (WDM) unit. Each photoelectric transmitter and receiver unit is configured to generate a downstream optical signal with a corresponding rate and wavelength according to an electric signal, and then output the downstream optical signal to the WDM unit; and receive an upstream optical signal outputted by the WDM unit with a rate and wavelength corresponding to a burst mode, and convert the upstream optical signal into the electric signal.

Abstract: Disclosed is an optical receiver device which includes a photoelectric conversion module and a dispersion compensation module, wherein the photoelectric conversion module is configured to receive an optical signal and to convert the optical signal into an electrical signal; and the dispersion compensation module is configured to perform dispersion compensation on the electrical signal and to output the compensated electrical signal. At the same time, the disclosure also provides an optical receiver method and an optical transceiving integrated module. The optical receiver device of the disclosure is supplemented with an electronic dispersion compensation function, which can reduce the channel dispersion cost of an optical signal, and prolong the transmission distance of a subsequent modulated optical signal in an optical fibre.

Abstract: The disclosure relates to an OTDR path detection device and method, and the device includes an optical input interface, an optical output interface, a test light transmission unit, an optical assembly, a test light reception unit, a data processing unit, a micro control unit, a power supply unit and a communication interface unit. In the disclosure, a detection light transmission function, a scattered light and reflected light reception function, a detected data processing function and a unit control function are integrated. A fiber optic network to be detected can be detected in real time through fixing the integral optical transmission/reception device in a fiber optic network to be detected, and the normal transmission of serving light is not affected, thus a specialized OTDR meter for fiber optic detection and related testing devices are no longer needed, thereby simplifying steps for optical fiber failure detection and lowering complexity of optical network maintenance and corresponding cost.

Abstract: Provided are an optical transceiving device and method. This device includes: an OTDR transmitter, an OTDR receiver, an input optical interface, an output optical interface, a housing, a splitter, and a sideband filter, and by means of a technical scheme of the present disclosure, this device has a function of sending and receiving OTDR detection optical signals, supports a function of wave multiplexing/de-multiplexing of detection optical signals and service optical signals, guarantees that transmission of the service optical signals and the detection optical signals on a main optical path do not influence each other, and may be taken as an important part of an optical module and be integrated into an optical transmission system device, enables an OTDR detection function to be set inside a system, and reduces an operation and maintenance cost of optical fibre failure detection.