Waveguide-to-optical fiber three-dimensional polymer horizontal lens coupler

A polymer and coupler technology, applied in the field of optical communication networks, can solve the problems of high coupling packaging requirements and low coupling efficiency, and achieve the effect of compact structure, low polarization correlation and convenient packaging

Pending Publication Date: 2022-07-01
江苏铌奥光电科技有限公司
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  • Abstract
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Problems solved by technology

[0004] In view of this, the present invention provides a three-dimensional polymer horizontal coupler for low-loss coupling between waveguides and optical fibers to solve the technical problems of low coupling efficiency of existing on-chip horizontal couplers and high requirements for coupling packaging

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  • Waveguide-to-optical fiber three-dimensional polymer horizontal lens coupler
  • Waveguide-to-optical fiber three-dimensional polymer horizontal lens coupler

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Embodiment Construction

[0027] The following description and drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may include structural, logical, electrical, process, and other changes. The examples are only representative of possible variations. Unless expressly required, individual components and functions are optional and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments.

[0028] like Figure 1-2 As shown, in some illustrative embodiments, a waveguide-to-fiber 3D polymer horizontal lens coupler is provided, comprising: a polymer coupled waveguide structure 4, a polymer 3D waveguide 3, a polymer 3D lens optical mode converter 2 . The polymer coupling waveguide structure 4 , the polymer three-dimensional waveguide 3 , and the polymer three-dimensional lens optical mode converter 2 are connected in sequence.

[0029]...

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Abstract

The invention provides a waveguide-to-fiber three-dimensional polymer horizontal lens coupler. The waveguide-to-fiber three-dimensional polymer horizontal lens coupler comprises a polymer coupling waveguide structure, a polymer three-dimensional waveguide and a polymer three-dimensional lens optical mode converter. Low-loss and large-wavelength-bandwidth coupling can be carried out between the waveguide and the single-mode optical fiber in an optical mode, on the premise of being highly compatible with the CMOS technology, the coupling loss is smaller than 2 dB, the working wavelength bandwidth is larger than 200 nm, and the optical fiber has the advantages of being low in polarization correlation, capable of being formed at a time, compact in structure, convenient to package and the like.

Description

technical field [0001] The invention belongs to the technical field of optical communication networks, and in particular relates to a waveguide-to-fiber three-dimensional polymer horizontal lens coupler. Background technique [0002] With the rapid development of communication network technology, integrated photonic chips based on silicon-based photonic devices will replace traditional network transceiver components and gradually become optical communication networks with their superior performances such as low cost, low loss and high integration. leading technology. At the same time, optical fiber has become the most important optical information transmission medium due to its advantages of large bandwidth and low loss. However, due to the large difference between the size of the waveguide mode of the integrated photonic chip and the size of the input and output light spots, which leads to the problem of optical mode mismatch, there is a large loss of light in the input an...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/124G02B6/14
CPCG02B6/14G02B6/124G02B2006/12152G02B2006/12147G02B2006/12102
Inventor 陈力锋胡紫阳颜扬捷
Owner 江苏铌奥光电科技有限公司
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