CN209707750U - A kind of highly dense type min-size optical splitter - Google Patents

Abstract

The utility model discloses a high-intensity miniature optical splitter, which relates to the field of optical splitters and comprises an optical splitter box body, an input optical fiber penetrates into the optical splitter box body and is arranged on the optical splitter box. An input end of a first-level PLC chip in the box body is connected, and a plurality of optical amplifiers are also arranged in the optical splitter box body, and the input end of each optical amplifier is respectively connected to the first-level PLC chip through a first connecting optical fiber. The output ends are connected, and the optical splitter box is also equipped with a plurality of second-stage PLC chips corresponding to a plurality of optical amplifiers one by one. The output end of each optical amplifier is respectively connected to the corresponding second-stage One input end of the PLC chip is connected, and the output end of each second-stage PLC chip is connected with a plurality of output optical fibers, and the output optical fibers all pass through the optical splitter box. The utility model can realize multi-stage light splitting, and can realize more than 32 light splitting paths, thus improving the density of the miniature optical splitter.

Description

A high-density miniature optical splitter

technical field

The utility model relates to the field of optical splitters, in particular to a high-intensity miniature optical splitter.

Background technique

With the rapid development of the integration of telecommunication networks, cable television networks and the Internet, Fiber To The Home (FTTH) has been widely used as an important method in recent years, and the optical splitter is the optical splitter in this system. and an important device for synthesizing light. Optical splitters are often used to realize optical path connection, optical signal transmission direction control, optical signal power distribution, coupling control between various devices, etc. With the rapid development of optical communication technology, the demand for optical splitters worldwide has greatly increased.

The optical splitter can be made by the traditional Fused Biconcial Taper (FBT) or ion exchange technology, but both methods have their obvious disadvantages. Compared with the planar Lightware Circuit (PLC) Technology has great advantages. PLC splitters have been extensively researched and developed due to their small size, low loss, and good uniformity.

Chinese patent document CN201402330Y discloses a miniature optical splitter, including a planar optical waveguide splitter (PLC) arranged horizontally in the splitter box body, and the anti-bending optical fiber passes through the input sleeve provided on the splitter box body Enter, pass through the planar optical waveguide splitter (PLC), and exit through the output bushing. After the incident light is divided into multiple channels, the energy of the outgoing laser is attenuated, resulting in a decrease in communication quality. Therefore, the micro optical splitter can only achieve a maximum of 1×32 splits, and cannot achieve more splits. The miniature optical splitter less intensive.

Utility model content

The purpose of this utility model is to provide a high-intensity micro-optical splitter to make up for the defects of the prior art, and to solve the problems of the existing micro-optical splitter that it is difficult to achieve more than 32 channels of light splitting and the density is low .

The technical scheme of the utility model is as follows: a high-intensity miniature optical splitter, including an optical splitter box body, an optical fiber inlet is arranged on the optical splitter box body, and it is characterized in that: an input optical fiber passes through the The optical fiber inlet penetrates the box body of the optical splitter and is connected to an input end of a first-level PLC chip arranged in the box body of the optical splitter. an optical amplifier, the input end of each of the optical amplifiers is connected to the output end of the first-stage PLC chip through a first connecting optical fiber, and the optical splitter box is also provided with the plurality of optical amplifiers. The amplifiers correspond to a plurality of second-stage PLC chips, and the output ends of each of the optical amplifiers are respectively connected to an input end of the corresponding second-stage PLC chips through a second connecting fiber, and each of the first-stage PLC chips The output ends of the secondary PLC chips are connected with a plurality of output optical fibers, and the output optical fibers pass out of the optical splitter box through a plurality of optical fiber outlets provided on the optical splitter box.

Further, the part where the input optical fiber passes through the fiber inlet and the part outside the box of the optical splitter are sleeved with sleeves.

Further, the part where the output optical fiber passes through the fiber outlet and the part outside the box of the optical splitter is sleeved with a sleeve.

Further, the end of each output optical fiber passing out of the optical splitter box is connected with an optical fiber connector.

Further, both the first-level PLC chip and the second-level PLC chip are 1×8 PLC chips.

Further, the first-level PLC chips are 1×16 PLC chips, and the second-level PLC chips are all 1×4 PLC chips.

Further, the first-level PLC chips are 1×16 PLC chips, and the second-level PLC chips are all 1×8 PLC chips.

Further, both the first-level PLC chip and the second-level PLC chip are 1×16 PLC chips.

Further, the optical amplifier is an erbium-doped fiber amplifier.

Further, the optical amplifier is a thulium-doped optical fiber amplifier.

The beneficial effects of the utility model are: by setting a first-level PLC chip and a plurality of second-level PLC chips, and optical amplifiers are arranged on the connecting optical fibers between the first-level PLC chip and a plurality of second-level PLC chips, through the first-level PLC chip After the split light is amplified by the optical amplifier, the communication quality of the light is enhanced, so multiple secondary PLC chips can be used to further split the light without reducing the quality of the output optical fiber communication, so that multi-level splitting can be realized, and more than 32 The light splitting of the road increases the density of the micro optical splitter.

Description of drawings

Fig. 1 is a structural schematic diagram of a high-intensity miniature optical splitter of the present invention.

Among them; 1-optical splitter box; 2-input optical fiber; 3-first-level PLC chip; 4-optical amplifier; 5-first connecting optical fiber; 6-second-level PLC chip; 7-second connecting optical fiber ; 8-output optical fiber; 9-sleeve; 10-fiber optic connector connector.

Detailed ways

The specific embodiment of the utility model is briefly described below in conjunction with the accompanying drawings.

In the first embodiment, as shown in Figure 1, a high-intensity miniature optical splitter includes an optical splitter box body 1, and an optical fiber inlet and an input optical fiber 2 are arranged on the optical splitter box body 1. Penetrate the optical splitter box body 1 from the optical fiber inlet, and be connected to an input end of a first-level PLC chip 3 arranged in the optical splitter box body 1, the input optical fiber 2 The part passing through the optical fiber inlet and the part outside the optical splitter box 1 are sleeved with sleeves 9 . The optical splitter box 1 is also provided with a plurality of optical amplifiers 4, and the optical amplifiers 4 can be erbium-doped fiber amplifiers or thulium-doped fiber amplifiers. The input end of each said optical amplifier 4 is connected to the output end of said first stage PLC chip 3 through a first connecting optical fiber 5 respectively, and said first stage PLC chip adopts the PLC chip of 1 * 8, and said optical A plurality of second-level PLC chips 6 corresponding to the plurality of optical amplifiers 4 are also arranged in the splitter box body 1, and the output ends of each of the optical amplifiers 4 are connected to each other through a second connecting optical fiber 7. One input end of the corresponding described second-level PLC chip 6 is connected, and the output end of each described second-level PLC chip 6 is connected with a plurality of output optical fibers 8, and the output optical fibers 8 are all passed through the optical branch. A plurality of optical fiber outlets provided on the optical splitter box 1 pass through the optical splitter box 1, and the second-level PLC chip adopts a 1×8 PLC chip. The part where the output optical fiber 8 passes through the outlet of the optical fiber and the part outside the box body 1 of the optical splitter are sleeved with a sleeve 9, and each output optical fiber 8 passes through the optical splitter. Fiber optic connector joints 10 are connected to the ends of the router box body 1 .

This embodiment can realize 8×8, that is, 64 optical splitters as a whole, which is more intensive than the existing 32 optical splitters.

In the second embodiment, as shown in Figure 1, a high-intensity miniature optical splitter includes an optical splitter box body 1, and an optical fiber inlet and an input optical fiber 2 are arranged on the optical splitter box body 1. Penetrate the optical splitter box body 1 from the optical fiber inlet, and be connected to an input end of a first-level PLC chip 3 arranged in the optical splitter box body 1, the input optical fiber 2 The part passing through the optical fiber inlet and the part outside the optical splitter box 1 are sleeved with sleeves 9 . The optical splitter box 1 is also provided with a plurality of optical amplifiers 4, and the optical amplifiers 4 can be erbium-doped fiber amplifiers or thulium-doped fiber amplifiers. The input end of each said optical amplifier 4 is connected to the output end of said first stage PLC chip 3 through a first connecting optical fiber 5 respectively, and said first stage PLC chip adopts the PLC chip of 1 * 16, and said optical A plurality of second-level PLC chips 6 corresponding to the plurality of optical amplifiers 4 are also arranged in the splitter box body 1, and the output ends of each of the optical amplifiers 4 are connected to each other through a second connecting optical fiber 7. One input end of the corresponding described second-level PLC chip 6 is connected, and the output end of each described second-level PLC chip 6 is connected with a plurality of output optical fibers 8, and the output optical fibers 8 are all passed through the optical branch. A plurality of optical fiber outlets provided on the optical splitter box 1 pass through the optical splitter box 1, and the second-level PLC chip adopts a 1×4 PLC chip. The part where the output optical fiber 8 passes through the outlet of the optical fiber and the part outside the box body 1 of the optical splitter are sleeved with a sleeve 9, and each output optical fiber 8 passes through the optical splitter. Fiber optic connector joints 10 are connected to the ends of the router box body 1 .

This embodiment can realize 16×4, that is, 64 optical splitters as a whole, which is more dense than the existing 32 optical splitters.

In the third embodiment, as shown in Figure 1, a high-intensity miniature optical splitter includes an optical splitter box body 1, and an optical fiber inlet and an input optical fiber 2 are arranged on the optical splitter box body 1. Penetrate the optical splitter box body 1 from the optical fiber inlet, and be connected to an input end of a first-level PLC chip 3 arranged in the optical splitter box body 1, the input optical fiber 2 The part passing through the optical fiber inlet and the part outside the optical splitter box 1 are sleeved with sleeves 9 . The optical splitter box 1 is also provided with a plurality of optical amplifiers 4, and the optical amplifiers 4 can be erbium-doped fiber amplifiers or thulium-doped fiber amplifiers. The input end of each said optical amplifier 4 is connected to the output end of said first stage PLC chip 3 through a first connecting optical fiber 5 respectively, and said first stage PLC chip adopts the PLC chip of 1 * 16, and said optical A plurality of second-level PLC chips 6 corresponding to the plurality of optical amplifiers 4 are also arranged in the splitter box body 1, and the output ends of each of the optical amplifiers 4 are connected to each other through a second connecting optical fiber 7. One input end of the corresponding described second-level PLC chip 6 is connected, and the output end of each described second-level PLC chip 6 is connected with a plurality of output optical fibers 8, and the output optical fibers 8 are all passed through the optical branch. A plurality of optical fiber outlets provided on the optical splitter box 1 pass through the optical splitter box 1, and the second-level PLC chip adopts a 1×8 PLC chip. The part where the output optical fiber 8 passes through the optical fiber outlet and the part outside the optical splitter box 1 is sleeved with a sleeve 9, and each output optical fiber 8 passes through the optical splitter. Fiber optic connector joints 10 are connected to the ends of the router box body 1 .

This embodiment can realize 16×8, that is, 128 optical splitters as a whole, which is much higher than the density of the existing 32 optical splitters.

In the fourth embodiment, as shown in Figure 1, a high-intensity miniature optical splitter includes an optical splitter box body 1, and the optical splitter box body 1 is provided with an optical fiber inlet, an input optical fiber 2 Penetrate the optical splitter box body 1 from the optical fiber inlet, and be connected to an input end of a first-level PLC chip 3 arranged in the optical splitter box body 1, the input optical fiber 2 The part passing through the optical fiber inlet and the part outside the optical splitter box 1 are sleeved with sleeves 9 . The optical splitter box 1 is also provided with a plurality of optical amplifiers 4, and the optical amplifiers 4 can be erbium-doped fiber amplifiers or thulium-doped fiber amplifiers. The input end of each said optical amplifier 4 is connected to the output end of said first stage PLC chip 3 through a first connecting optical fiber 5 respectively, and said first stage PLC chip adopts the PLC chip of 1 * 16, and said optical A plurality of second-level PLC chips 6 corresponding to the plurality of optical amplifiers 4 are also arranged in the splitter box body 1, and the output ends of each of the optical amplifiers 4 are connected to each other through a second connecting optical fiber 7. One input end of the corresponding described second-level PLC chip 6 is connected, and the output end of each described second-level PLC chip 6 is connected with a plurality of output optical fibers 8, and the output optical fibers 8 are all passed through the optical branch. A plurality of optical fiber outlets provided on the optical splitter box 1 pass through the optical splitter box 1, and the second-level PLC chip adopts a 1×16 PLC chip. The part where the output optical fiber 8 passes through the optical fiber outlet and the part outside the optical splitter box 1 is sleeved with a sleeve 9, and each output optical fiber 8 passes through the optical splitter. Fiber optic connector joints 10 are connected to the ends of the router box body 1 .

This embodiment can realize 16×16, that is, 256 optical splitters as a whole, which is much higher than the density of the existing 32 optical splitters.

The utility model is not limited to the specific embodiments described above, and the utility model can have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made to the above embodiments based on the technical essence of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. a kind of highly dense type min-size optical splitter, including optical splitter box body (1), it is arranged on the optical splitter box body (1) There is an optical fiber import, it is characterised in that: an input optical fibre (2) penetrates the optical splitter box body (1) from the optical fiber import, and It is connected with an input terminal of the first order PLC chip (3) being arranged in the optical splitter box body (1), the optical splitter It is additionally provided with multiple image intensifers (4) in box body (1), the input terminal of each image intensifer (4) passes through one first company respectively It connects optical fiber (5) to be connected with the output end of the first order PLC chip (3), be additionally provided in the optical splitter box body (1) and institute State the one-to-one multiple second level PLC chips (6) of multiple image intensifers (4), the output end point of each image intensifer (4) Not Tong Guo one second connection optical fiber (7) and an input terminal of the corresponding second level PLC chip (6) it is connected, each described the The output end of second level PLC chip (6) is respectively connected with more output optical fibres (8), and the output optical fibre (8) passes through the optical branching The multiple fiber outlets being arranged on device box body (1) are pierced by the optical splitter box body (1).

2. highly dense type min-size optical splitter according to claim 1, which is characterized in that the input optical fibre (2) wears Casing (9) are arranged in the part of the optical fiber import and positioned at the part of the optical splitter box body (1) outside.

3. highly dense type min-size optical splitter according to claim 2, which is characterized in that the output optical fibre (8) wears Casing (9) are arranged in the part of the fiber outlet and positioned at the part of the optical splitter box body (1) outside.

4. highly dense type min-size optical splitter according to claim 3, which is characterized in that the every output optical fibre (8) The end for being pierced by the optical splitter box body (1) be respectively connected with fiber optic connector closure (10).

5. highly dense type min-size optical splitter according to claim 1, which is characterized in that the first order PLC chip (3) It is 1 × 8 PLC chip with second level PLC chip (6).

6. highly dense type min-size optical splitter according to claim 1, which is characterized in that the first order PLC chip (3) For 1 × 16 PLC chip, the second level PLC chip (6) is 1 × 4 PLC chip.

7. highly dense type min-size optical splitter according to claim 1, which is characterized in that the first order PLC chip (3) For 1 × 16 PLC chip, the second level PLC chip (6) is 1 × 8 PLC chip.

8. highly dense type min-size optical splitter according to claim 1, which is characterized in that the first order PLC chip (3) It is 1 × 16 PLC chip with second level PLC chip (6).

9. highly dense type min-size optical splitter according to claim 1, which is characterized in that the image intensifer (4) is to mix Doped fiber amplifier.

10. highly dense type min-size optical splitter according to claim 1, which is characterized in that the image intensifer (4) is to mix Thulium fiber amplifier.