CN211786222U

CN211786222U - Integrated hybrid device

Info

Publication number: CN211786222U
Application number: CN202020428940.1U
Authority: CN
Inventors: 严安全; 杜永建; 智健
Original assignee: Orte Photonics Co ltd
Current assignee: Orte Photonics Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-10-27
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses an integrated hybrid mainly comprises one or two wavelength division multiplexer and planar waveguide branching unit, grinds wavelength division multiplexer root, forms the slope cross-section that has certain angle with wavelength division multiplexer center pin perpendicular, and wavelength division multiplexer's target output optic fibre laminating is in this slope cross-section, and wavelength division multiplexer directly regards as planar waveguide branching unit's input single fiber optical fiber array, with planar waveguide wavelength division multiplexer coupling. The wavelength division multiplexer comprises a tube body, a collimator, an input optical fiber, a first output optical fiber and a second output optical fiber, the root of the collimator is provided with an inclined section, and the planar waveguide splitter is coupled with the wavelength division multiplexer. The integrated hybrid device solves the problem of optical fiber exposure between the wavelength division multiplexer and the planar waveguide splitter, saves single-core array optical fibers of the original discrete device, shortens the product size, and further integrates the product.

Description

Integrated hybrid device

Technical Field

The utility model relates to an optical communication technical field, in particular to integrated mixing device.

Background

After the 21 st century, the rapid development of internet services and the rapid growth of data services such as audio, video, data, multimedia applications and the like drive the rapid growth of bandwidth requirements of data communication, so that the demands of ultrahigh-speed and ultra-long-distance large-capacity optical fiber networks and transmission systems are more urgent. In terms of system transmission capacity, research and development of a new generation of optoelectronic devices will pay more attention to reducing transmission cost per unit bandwidth, and a breakthrough of single-fiber transmission rate is no longer pursued. The intelligent photoelectronic device is the key of reducing operation and maintenance cost and improving use efficiency of the optical network equipment. In addition, the application proportion of the passive device in the optical transmission equipment is increasing, and higher miniaturization and integration requirements are put on the passive device.

The optical fiber branching unit is based on a planar optical waveguide and used as a key component of an ODN network system, and the optical fiber branching unit has the functions of signal distribution and optical power distribution, and the market demand is continuously increased. The system often needs to be put together wavelength division multiplexer and planar waveguide branching unit, and conventional products are to make two devices into a single-core optical fiber array of planar waveguide branching unit input by fusing and heating protection, or not using the fusing mode, but making the output optical fiber of wavelength division multiplexer.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, provide an integrated hybrid device, practiced thrift original single core array fiber device, shortened the product size, made the product further integrate.

The utility model adopts the technical proposal that: one or two wavelength division multiplexers, the wavelength division multiplexer includes tube body, collimator, input optical fiber, first output optical fiber and second output optical fiber, the collimator is set at the output port of the tube body, the second output optical fiber and input optical fiber are set at the input port of the tube body, the first output optical fiber is set in the collimator, the root of the collimator sets up the inclined cross section; and

a planar waveguide splitter coupled with an input of the wavelength division multiplexer through a root of the collimator.

Has the advantages that: the second output optical fiber is arranged at one end of the input optical fiber, the first output optical fiber is arranged in the collimator, so that the wavelength division multiplexer can be directly used as an input single-fiber optical fiber array of the planar waveguide branching unit, the problem of exposure of one section of optical fiber in the middle of an integrated device is solved, single-fiber transmission is stabilized, the single-fiber array optical fiber of the original discrete device is saved, the product size is shortened, and the product is further integrated.

Further, the inclined cross-section has an angle of 8 ° with a perpendicular to the central axis of the collimator.

Further, the wavelength division multiplexer also comprises a diaphragm, and the diaphragm is arranged in the middle of the pipe body.

Further, the membrane is a filter.

Furthermore, the number of the wavelength division multiplexers is two, a collimator is arranged at the output ports of the two wavelength division multiplexers, and an oblique joint face matched with the oblique section of the collimator is arranged at the input end of the planar waveguide branching unit.

Further, the collimator and the planar waveguide splitter are fixedly connected through dispensing.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural diagram of an integrated hybrid device according to the present embodiment;

fig. 2 is a schematic structural diagram of the wavelength division multiplexer according to the embodiment.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, an integrated hybrid device is mainly composed of one or two wavelength division multiplexers 1 and a planar waveguide splitter 2, the root of the wavelength division multiplexer 1 is ground to form an inclined cross section with a certain angle with the vertical plane of the central axis of the wavelength division multiplexer 1, the target output fiber of the wavelength division multiplexer 1 is attached to the inclined cross section, and the wavelength division multiplexer 1 is directly used as an input single fiber array of the planar waveguide splitter 2 and coupled with the input end of the planar waveguide division multiplexer 1. Specifically, the wavelength division multiplexer 1 includes a tube 101, a collimator 103, an input fiber, a first output fiber, and a second output fiber, where the collimator 103 is disposed at an output port of the tube 101, the second output fiber and the input fiber are disposed at an input port of the tube 101, and the first output fiber is disposed in the collimator 103. Let the input fiber be λ 1+ λ 2, the first output fiber, i.e. the target output fiber, be λ 1, and the second output fiber be λ 2. I.e., λ 1+ λ 2, is input from the input port, the collimator 103 outputs λ 1, and λ 2 is output through the input port. The root of the collimator 103 is provided with an inclined cross-section which forms an angle with the perpendicular to the central axis of the collimator 103. The planar waveguide splitter 2 is coupled to the wavelength division multiplexer 1. The integrated hybrid device solves the problem of optical fiber exposure between the wavelength division multiplexer 1 and the planar waveguide splitter 2, stabilizes single-fiber transmission, saves single-core array optical fibers of the original discrete device, shortens the product size, and further integrates the product.

Preferably, the collimator 103 is ground at its base to form an inclined cross section having an angle of 8 ° with respect to a vertical plane of the central axis of the collimator 103. The input end of the planar waveguide branching unit 2 is processed with a miter surface matched with the inclined section of 8 degrees, and the collimator 103 is fixedly connected with the planar waveguide branching unit 2 through dispensing. The root of the collimator 103 is ground to 8 degrees, so that the coupling of the wavelength division multiplexer 1 and the planar waveguide splitter 2 can achieve the best fixing effect. The angle between the inclined section and the vertical plane of the central axis of the collimator 103 may also be 12 °.

Specifically, the wavelength division multiplexer 1 further includes a diaphragm 102, and the diaphragm 102 is disposed in the middle of the pipe 101.

Preferably, the diaphragm 102 can be replaced by an optical filter, so that the wavelength division multiplexer 1 can be used as a diaphragm optical splitter, and the optical filter can separate optical signals with different wavelengths to realize secondary light splitting of products, and the functions are diversified.

Preferably, the number of the wavelength division multiplexers 1 in the integrated hybrid device is two, and a collimator 103 is arranged at the output ports of the two wavelength division multiplexers 1. The two wavelength division multiplexers 1 are tightly attached to each other, and the collimator 103 is connected with the tube bodies 101 of the two wavelength division multiplexers 1 through dispensing, so that the first output optical fibers of the two wavelength division multiplexers 1 can enter the collimator 103. The input end of the planar waveguide branching unit 2 is provided with a miter matched with the inclined section of the root of the collimator 103, and the collimator 103 is fixedly connected with the planar waveguide branching unit 2 through dispensing. The collimator 103 is used as a shared device for two wavelength division multiplexers 1, and the first output fibers of the two wavelength division multiplexers 1 are embedded in the collimator 103, so that the two wavelength division multiplexers 1 are directly used as an input single fiber array of a planar waveguide splitter 2 and coupled with the planar wavelength division multiplexer 1.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. An integrated hybrid device, comprising:

the wavelength division multiplexers comprise tube bodies, collimators, input optical fibers, first output optical fibers and second output optical fibers, the collimators are arranged at the output ports of the tube bodies, the second output optical fibers and the input optical fibers are arranged at the input ports of the tube bodies, the first output optical fibers are arranged in the collimators, and the roots of the collimators are provided with inclined sections; and

2. The integrated hybrid device of claim 1, wherein: the included angle between the inclined section and the vertical plane of the central axis of the collimator is 8 degrees.

3. The integrated hybrid device of claim 1, wherein: the wavelength division multiplexer also comprises a diaphragm, and the diaphragm is arranged in the middle of the pipe body.

4. The integrated hybrid device of claim 3, wherein: the membrane is an optical filter.

5. The integrated hybrid device of claim 1, wherein: the number of the wavelength division multiplexers is two, a collimator is arranged at the output port of the two wavelength division multiplexers, and the input end of the planar waveguide branching unit is provided with a miter matched with the inclined section of the collimator.

6. The integrated hybrid device of claim 5, wherein: the collimator and the planar waveguide splitter are fixedly connected through dispensing.