Optical module working parameter adjusting method and adjusting device

A technology of working parameter adjustment and adjustment method, which is applied in the field of optical communication, can solve problems such as performance degradation and damage, and achieve the effects of reducing power consumption, ensuring quality, and increasing the working temperature zone

Inactive Publication Date: 2012-10-31
HISENSE BROADBAND MULTIMEDIA TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] One of the purposes of the present invention is to provide a method for adjusting the working parameters of an optical module, which can adjust the working parameters according to different conditions, and can solve the problem of performance degradation or even damage caused by laser saturation

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  • Optical module working parameter adjusting method and adjusting device
  • Optical module working parameter adjusting method and adjusting device

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Embodiment Construction

[0036] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0037] First, the design idea of ​​the present invention is briefly explained: when the operating temperature of the optical module increases, the driving current required by the laser to emit light of the same power is larger, which may easily lead to the deterioration of the emission index of the optical module. Based on this, from the perspective of driving current, the present invention adopts certain measures to reduce the bias current and modulation current of the optical module when it works at high temperature, so as to ensure the normal operation of the optical module.

[0038] Please refer to figure 1 ,Should figure 1 A schematic structural diagram of an embodiment of an apparatus for adjusting working parameters of an optical module of the present invention is shown.

[0039] like figure 1 As sho...

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Abstract

The invention discloses an optical module working parameter adjusting method and an adjusting device. The method comprises the following steps of: detecting and obtaining an ambient temperature value; obtaining a reference bias current value and a reference modulated current value, which need to be compensated; when the ambient temperature value is more than a set temperature threshold value, obtaining an actual bias current compensated value and a modulated current compensated value by using a scaling factor which is not more than 1; when the ambient temperature value is not more than the set temperature threshold value, directly using the reference bias current value and the reference modulated current value as the actual bias current compensated value and the actual modulated current compensated value, respectively; and compensating a bias current and a modulated current of a laser according to the actual bias current compensated value and the actual modulated current compensated value. Through different adjustments carried out on working parameters under different conditions, a problem that the laser is degraded in performance and even damaged due to laser saturation can be solved.

Description

technical field [0001] The present invention relates to the technical field of optical communication, in particular, to a method and an adjustment device for adjusting working parameters of an optical module. Background technique [0002] Optical module is a standard module used in equipment in the field of optical communication, and is generally used as a standard accessory for optical routers and other equipment. In recent years, with the increasing requirements of users for bandwidth and the popularization of fiber-to-the-home, the optical module market has grown by leaps and bounds. [0003] One of the core devices of an optical module is a laser, which is essentially a laser diode (LD—Laser diode). LD is a current device that only emits laser light when the forward current it passes exceeds its threshold current Ith (Threshold current). Therefore, in order to make the LD switch at high speed, a DC bias current Bias slightly larger than its threshold current Ith must b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/10H04B10/12
Inventor 鲍晓东林青合程磊
Owner HISENSE BROADBAND MULTIMEDIA TECH
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