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An Emission Optical Power Stabilization Component Based on Optical Path Displacement Compensation

A technology of stable power and displacement compensation, applied in optical components, optical waveguide coupling, optics, etc., can solve problems such as waste, processing chip resource occupation, etc., and achieve the effect of reducing fluctuations

Active Publication Date: 2020-08-18
GUANGXUN SCI & TECH WUHAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The technical problem to be solved by the embodiments of the present invention is that the output current of the existing laser driver chip has a certain time delay, and frequent driver chip control will also cause occupation and waste of processing chip resources

Method used

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  • An Emission Optical Power Stabilization Component Based on Optical Path Displacement Compensation
  • An Emission Optical Power Stabilization Component Based on Optical Path Displacement Compensation
  • An Emission Optical Power Stabilization Component Based on Optical Path Displacement Compensation

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Embodiment 1

[0050]The embodiment of the present invention provides an emission optical power stabilization component based on optical path displacement compensation (several typical structures are shown in the following embodiments of the present invention, for example figure 2 , Figure 5 , Figure 9 , Figure 11 and Figure 14 shown), including lasers, lenses and fiber coupling ports, specifically:

[0051] The laser, the lens, and the fiber coupling port are arranged on the first substrate and the second substrate according to a preset arrangement strategy; wherein, the expansion coefficient of the second substrate is greater than that of the first substrate.

[0052] The arrangement strategy makes the initial distance between the laser and the lens, the lens and the fiber coupling port, and / or the laser and the fiber coupling port compare with the optimal coupling distance deviation preset value of the optimal coupling point;

[0053] Theoretically, there can be multiple groups o...

Embodiment 2

[0078] The embodiment of the present invention provides the specific implementation content when the object used to generate the default value deviation is a lens in the method one proposed in embodiment 1 during the initial setting process. It should be pointed out that in embodiment 1 The specified value described is specifically expressed as the first specified distance Δl1 in the embodiment of the present invention. The embodiment of the present invention proposes a component for stabilizing the transmitted optical power based on optical path displacement compensation, such as Figure 2-Figure 6 As shown, it includes a laser 1, a lens 2 and a fiber coupling port 4 (because the optical isolator 3 is a non-critical feature in each embodiment of the present invention—that is, it does not affect the position of the best coupling point, so it is not included in each embodiment presented in a formal content form, but only shows its existence in some drawings), in which, image ...

Embodiment 3

[0101]In Embodiment 2, the first method introduced in Embodiment 1 is provided, specifically by setting the position of the lens 2 to form the structural relationship of the initial state (compared with the optimal coupling distance deviation preset value of the optimal coupling point). In the specific implementation process, since the fixed objects in the processing include lasers and fiber coupling ports, in addition to the method 1 proposed in embodiment 2 to realize embodiment 1 by setting the position of lens 2 , Embodiment 3 of the present invention will further explain how to realize the initial state in the first way by adjusting the laser 1 . Among them, the basic structure can refer to image 3 and Figure 5 To achieve, the next content, will pass Figure 7 Specifically, how to arrange the initial distance between the laser and the lens, so as to form the optimal coupling distance deviation preset value from the optimal coupling point (in the embodiment of the pres...

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Abstract

The invention relates to the technical field of optoelectronic device packaging, and provides an emission light power stabilization component based on optical path displacement compensation. The laser, lens, and fiber coupling port in the assembly are arranged on the first substrate and the second substrate according to a preset arrangement strategy; wherein, the expansion coefficient of the second substrate is greater than that of the first substrate; the The arrangement strategy makes the initial distance between the laser and the lens, the lens and the fiber coupling port, and / or the laser and the fiber coupling port deviate from the preset value by the optimal coupling distance of the optimal coupling point. The invention ensures that the coupling loss varies with temperature on the optical path through ingenious optical path design, thereby forming a complementary effect with the optical power-temperature curve of the laser, and reducing the fluctuation of the emitted optical power of the optical component with temperature.

Description

【Technical field】 [0001] The invention relates to the technical field of optoelectronic device packaging, in particular to an emission light power stabilization component based on optical path displacement compensation. 【Background technique】 [0002] In an optical communication link, the optical power of the transmitting optical component cannot fluctuate too much. Because once the optical communication link is determined, the link loss and the sensitivity of the receiving end are determined. When the transmitted optical power becomes larger, the optical power transmitted to the receiving end may exceed the overload optical power of the receiving end, causing serious bit errors or even damage to the detector. ; When the transmitted optical power becomes smaller, the optical power transmitted to the receiving end may not be detected. Therefore, it is very important to maintain the transmit optical power of optical components in a stable range. For example, 400G FR4 MSA requ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B6/42
CPCG02B6/4266G02B6/4204G02B6/4296G02B6/4267G02B6/4226G02B6/4206H01S5/02469H01S5/02326H01S5/02251H01S5/02253
Inventor 朱虎杜书剑郭燕玲刘弘扬周日凯付永安孙莉萍
Owner GUANGXUN SCI & TECH WUHAN