Chip structure of a plc multimode waveguide optical splitter

A chip structure, multi-mode optical waveguide technology, applied in the field of integrated optics, can solve the problem of no multi-mode shunt device, and achieve the effects of small size, good mechanical shock resistance, and convenient installation

Active Publication Date: 2015-12-30
常州光芯集成光学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no PLC splitter at present, all of which are single-mode splitters, and there are no multi-mode splitters at present.

Method used

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  • Chip structure of a plc multimode waveguide optical splitter

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A chip structure of a PLC multimode waveguide optical splitter, including a glass substrate and a glass cover, the glass cover is set on the glass substrate and bonded by a UV adhesive layer, and the inside of the glass substrate is buried with Optical waveguide; the optical waveguide is a multi-mode optical waveguide, which multi-channel distributes the optical energy input by the multi-mode optical fiber, and the functional structure includes 1×N-type optical waveguide or 2×N-type optical waveguide, wherein N=2, 4, 8, 16 or 32. The diameter of the multimode optical waveguide is 30-350 μm,

[0021] When N=2 in the 1×N type optical waveguide, its structure is as follows figure 1 As shown, it consists of main waveguide 7, side branch waveguide 8, arc waveguide 9, horn-shaped waveguide 10 and side output waveguide 11 connected in sequence, wherein side branch waveguide 8 is set on main waveguide 7, and the width of main waveguide 7 is W1 is 15 μm; the width W4 of the si...

Embodiment 2

[0028] see figure 1 , when N=2 in the 1×N type optical waveguide, it consists of the main waveguide 7, the side branch waveguide 8, the arc waveguide 9, the horn-shaped waveguide 10 and the side output waveguide 11 connected in sequence, wherein the side branch waveguide 8 is arranged on the main waveguide 7, the width W1 of the main waveguide 7 is 350 μm; the width W4 of the side output waveguide 11 is 350 μm.

[0029] The angle A6 between the main waveguide 7 and the side branch waveguide 8 is 0.5-15 degrees; the width W2 of the side branch waveguide 8 is 350 μm.

[0030] The value range of the width W3 of the arc waveguide 9 is 350 μm, and the range of its curvature radius R5 is 100000 μm.

[0031] The width of the thin end of the horn-shaped waveguide 10 is the same as W3, the width of the thick end is the same as W4, and the range of its length L12 is 40000 μm.

[0032] The ends of the main waveguide 7 and the side output waveguide 11 are each connected to one of the mu...

Embodiment 3

[0035] When N=2 in the 1×N-type optical waveguide, its structure can be found in figure 1 , consists of a main waveguide, and successively connected side branch waveguides, arc waveguides, horn-shaped waveguides and side output waveguides, wherein the side branch waveguides are set on the main waveguide, and the width W1 of the main waveguide is 150 μm; the width W4 of the side output waveguide is 150 μm.

[0036] The angle A6 between the main waveguide and the side branch waveguide is 10 degrees; the width W2 of the side branch waveguide is 100 μm.

[0037] The range of the width W3 of the arc waveguide is 150 μm, and the range of the radius of curvature R5 is 10000 μm.

[0038] The thin end width of the horn-shaped waveguide is the same as W3, the thick end width is the same as W4, and the range of its length L12 is 10000 μm. All the other are with embodiment 1.

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Abstract

The invention relates to a chip structure of a PLC (programmable logic controller) multimode waveguide optical divider. The chip structure comprises a glass substrate and a glass cover sheet, wherein the glass cover sheet covers the glass substrate and is bonded with the glass substrate through a UV (ultraviolet) adhesive layer; an optical waveguide is buried in the glass substrate, is a multimode optical waveguide and is used for performing multichannel distribution on optical energy; a functional structure comprises a 1*N optical waveguide or a 2*N optical waveguide, and N is selected from 2, 4, 8, 16 or 32; the diameter of the multimode optical waveguide is 30-350 microns. Compared with the prior art, the chip structure has the advantages of non-sensitive wavelength, no mode selectivity and the like.

Description

technical field [0001] The invention relates to a field of integrated optics, in particular to a chip structure of a PLC multimode waveguide optical splitter. Background technique [0002] With the development of optical fiber communication investment from communication trunk lines, metropolitan area networks, local area networks, and private networks to FTTH, the market demand for optical splitters, the basic components of FTTH, is also expanding. There are currently two types of optical splitters, one is the traditional fused tapered optical splitter, and the other is the PLC optical splitter. Among them, the PLC optical splitter is now in a dominant position in the FTTH market because of its small size, high integration, and non-wavelength-sensitive splitting ratio. [0003] Optical splitters include multi-mode splitters and single-mode splitters. Single-mode splitters are generally used in the full-wave communication band 1260nm--1620nm, and multi-mode splitters are com...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B6/125
Inventor 王毅强商惠琴王明华杨建义郝寅雷
Owner 常州光芯集成光学有限公司
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