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Thermally insensitive planar optical waveguide and method of making the same

A planar optical waveguide, sensitive technology, applied in optical waveguides, light guides, optics, etc., can solve the problems of large optical transmission loss and easy interference, and achieve the effects of short manufacturing cycle, simple process and good optical properties

Active Publication Date: 2019-09-24
苏州峰通光电有限公司
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  • Abstract
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Problems solved by technology

[0005] For this reason, the technical problem to be solved by the present invention is to overcome the problems of large optical transmission loss and susceptibility to interference of the temperature-insensitive planar optical waveguide in the prior art, and propose a low optical transmission loss, anti-electromagnetic wave and other interference capabilities Strong thermal insensitivity planar optical waveguide and its preparation method

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  • Thermally insensitive planar optical waveguide and method of making the same
  • Thermally insensitive planar optical waveguide and method of making the same
  • Thermally insensitive planar optical waveguide and method of making the same

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Embodiment approach

[0050] As a preferred embodiment, the material of the base layer includes silicon dioxide, and the material of the core layer includes silicon dioxide doped with germanium ions.

[0051] In this embodiment, by setting the material of the base layer and the core layer to be silicon dioxide, since silicon dioxide is currently the mainstream planar optical waveguide material, it is beneficial to realize seamless connection with the mainstream planar optical waveguide without additional investment in research and development. Reduce R&D costs.

[0052] As a preferred implementation manner, the cross-sectional structure of the planar optical waveguide is a buried strip-shaped single-mode waveguide structure. Select H1=W1=6um, H2=10um, the refractive index of the upper cladding layer is 1.45, the refractive index of the core layer is 1.46, and the refractive index of the base layer is 1.44. The cross-sectional structure of the optical waveguide is designed by using Optiwave BPM soft...

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Abstract

The invention discloses a heat-insensitive planar optical waveguide and a preparation method thereof. The planar optical waveguide comprises a substrate layer and a core layer, wherein the core layer is formed on the substrate layer. The planar optical waveguide further comprises an upper cladding wrapping the periphery of the core layer. The material of the upper cladding comprises an UV convergent fluorinated polymeric material. The materials of the substrate layer and the core layer are organic optical materials. The heat-insensitive planar optical waveguide provided by the invention has the advantages of small optical transmission loss and high capability in resisting electromagnetic waves and the like.

Description

technical field [0001] The invention relates to the field of optical waveguide devices, in particular to a thermally insensitive planar optical waveguide and a preparation method thereof. Background technique [0002] An optical waveguide is a dielectric device that guides light waves to propagate in it, also known as a dielectric optical waveguide. There are two types of optical waveguides: one is integrated optical waveguides, including planar (film) dielectric optical waveguides and strip dielectric optical waveguides, which are usually part of optoelectronic integrated devices (or systems), so they are called integrated optical waveguides ; The other is a cylindrical optical waveguide, usually called an optical fiber. [0003] The transmission of light in the optical waveguide is greatly affected by external factors such as temperature, which will affect the stability of the optoelectronic integrated device (or system) made by using the optical waveguide. Therefore, the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B6/122G02B6/13G02B6/136B24B37/10
Inventor 田亮髙任峰汪昌君马春雷
Owner 苏州峰通光电有限公司
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