Photoelectric coupling device and manufacturing method thereof

Abstract

The invention provides a photoelectric coupler which comprises a tube shell substrate, an optical chip, an optical element and a connecting support, and the connecting support is located between the tube shell substrate and the optical element. In the process that the thermoplastic cementing material is heated, melted and deformed, the offset of the optical element is small, the controllability of the offset is higher, and then accurate coupling is achieved. The invention further provides a manufacturing method of the photoelectric coupling device, accurate coupling can be achieved, meanwhile, compared with a laser welding mode and other modes adopted in traditional photoelectric coupling, the method is easy to operate, compared with other photoelectric coupling processes, the operation difficulty is lower, parameters in the operation process are few and easy to control, repeatability is good, automatic production can be achieved, and the production efficiency is improved. And the production efficiency is high.

Description

technical field [0001] The invention belongs to the technical field of high-speed optical communication, and in particular relates to a photoelectric coupling device and a manufacturing method thereof. Background technique [0002] The optocoupler device is an indispensable device in the high-speed optical communication system, and it is the key device to realize the conversion of photoelectric (O / E) and electro-optical (E / O). These optoelectronic devices are widely used in modern communication, sensor detection, lidar and other fields. Improving the coupling efficiency in the process of optoelectronic coupling is the only way to improve the performance of the optical communication system. [0003] Optoelectronic devices have a very small processing window (only a few microns) in the process of optoelectronic coupling. In practice, laser welding is often used to fix the optical fiber / lens. Due to the deformation of the metal in the welding area during the cooling process, t...

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Problems solved by technology

[0003] Optoelectronic devices have a very small processing window (only a few microns) in the process of photoelectric coupling, and in actual operation, laser welding is often used to fix the optical fiber / lens, because the metal in the welding area is deformed during the cooling process, resulting in deflection after welding. shift, which greatly affects the coupling efficiency

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