Optical module, SFP+ module with TO-CAN packaging and SFP+ module with COB packaging

Abstract

The present invention relates to the optical module field, and provides an optical module. The optical module comprises an optical port, a first lifter and a first receiving terminal; an optical pathbetween the optical port and the first filter is provided with a first collimation lens; an optical path between the first filter and the first receiving terminal is provided with a second filter, a first uplink light reflected by the first filter penetrates the second filter and then is incident to the first receiving terminal; the optical module also comprises a second receiving terminal, and asecond uplink light is reflected by the second filter and then is incident to the second receiving terminal. The optical module performs special design of positions and angles of the first filter, thesecond filter and a third filter to realize complete separation of uplink lights with different wavelengths. The SFP+ module with TO-CAN packaging and the SFP+ module with COB packaging are both provided with the optical modules mentioned above. The SFP+ module with TO-CAN packaging and the SFP+ module with COB packaging can satisfy mini-type requirements of an SFP+ module.

Description

technical field [0001] The invention relates to the field of optical components, in particular to an optical component, a TO-CAN packaged SFP+ module and a COB packaged SFP+ module. Background technique [0002] In order to increase the number of data ports as much as possible in the field of optical fiber communication, optical modules are constantly required to be miniaturized, especially for high-speed, multi-wavelength transmission optical modules, many of which are upgraded from the early XFP package to the SFP+ package. As the core component of the optical module, the structural size of the optical component determines the structural type of the optical module. In the current optical component design, the optical path design tends to realize the function, and the understanding of the current technical level and processing and manufacturing capabilities in the industry is not comprehensive enough, resulting in a large difference between the design effect of the optical ...

AI Technical Summary

Problems solved by technology

In the current optical component design, the optical path design tends to realize the function, and the understanding of the current technical level and processing and manufacturing capabilities in the industry is not comprehensive enough, resulting in a large difference between the design effect of the optical component and the actual result.

For example, filter suppliers in the industry require the interval between the passband and cutoff band. If the bandwidth of the passband and cutoff band is relatively large, and their transition band is very narrow, the design of the film system is very difficult, and the transmission of the actual product The efficiency and reflectivity cannot meet the ideal requirements, which in turn imposes additional requirements on the design of optical components or limits the design of optical components

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