Abstract: The present invention relates to an optical transmission system to transmit signals by optoelectronic co-packaged modules, comprising a fiber optic transmission bus, several optoelectronic co-packaged modules and several node terminals, wherein optoelectronic co-packaged module corresponds to the node terminals one to one, and several signal transmission nodes is provided on the fiber optic transmission bus, and the location of each of the signal transmission nodes is provided with the optoelectronic co-packaged module, and the optoelectronic co-packaged module is connected with the node terminals, and the bus optical signal is transmitted in the fiber optic transmission bus.

Abstract: The invention relates to an optical fiber signal direct guided optical module which comprises a connector, a control circuit board and a plastic optical fiber. The control circuit board is connected to the connector and is provided with a functional optical module. The plastic optical fiber is provided with an optical fiber end face corresponding to the functional optical module. The distance L between the end face of the optical fiber and the top face of the functional optical module is in range Of 50 ?m to 150 ?m. Optical signals emitted by the end face of the optical fiber can be directly received by the functional optical module, and optical signals emitted by the functional optical module can also directly penetrate through the end face of the optical fiber to be received by the plastic optical fiber.

Abstract: The present invention relates to a unitized laser chip with double topological structures, which comprises a first topological structure, a second topological structure and a substrate, the first topological structure and the second topological structure are simultaneously arranged on the substrate, and the unitized laser chip is formed by the first topological structure, the second topological structure and the substrate. The first topological structure comprises a first active area, a first electrode bonding pad and a first wire connected between the first active area and the first electrode bonding pad, and the second topological structure comprises a second active area, a second electrode bonding pad and a second wire connected between the second active area and the second electrode bonding pad. The first topological structure and the second topological structure are obliquely arranged on the substrate at the same time.

Abstract: The invention relates to an optical fiber signal direct guided optical module which comprises a connector, a control circuit board and a plastic optical fiber. The control circuit board is connected to the connector and is provided with a functional optical module. The plastic optical fiber is provided with an optical fiber end face corresponding to the functional optical module. The distance L between the end face of the optical fiber and the top face of the functional optical module is in range 0f 50 µ m to 150 µ m. Optical signals emitted by the end face of the optical fiber can be directly received by the functional optical module, and optical signals emitted by the functional optical module can also directly penetrate through the end face of the optical fiber to be received by the plastic optical fiber.

Abstract: The present disclosure relates to a USB 2.0 photoelectric transmission system, which includes a first USB 2.0 connector, a second USB 2.0 connector, a first signal directional interpreting circuit, a second signal directional interpreting circuit, a first laser, a second laser, a first photodetector and a second photodetector, wherein a first end and a second end of the first signal directional interpreting circuit are respectively connected with a D+ pin and a D? pin of the first USB 2.0 connector; a third end and a fourth end of the first signal directional interpreting circuit are respectively connected with the first laser and the second photodetector.

Abstract: The present disclosure relates to a USB 2.0 photoelectric transmission system, which includes a first USB 2.0 connector, a second USB 2.0 connector, a first signal directional interpreting circuit, a second signal directional interpreting circuit, a first laser, a second laser, a first photodetector and a second photodetector, wherein a first end and a second end of the first signal directional interpreting circuit are respectively connected with a D+ pin and a D? pin of the first USB 2.0 connector; a third end and a fourth end of the first signal directional interpreting circuit are respectively connected with the first laser and the second photodetector.