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Method and device for controlling operating temperature of optical assembly, optical assembly and optical network system

A technology of operating temperature and target temperature control, applied in the field of optical network, can solve the problem of high power consumption of TEC, and achieve the effect of reducing power consumption and reducing control current

Active Publication Date: 2015-11-25
ZHONGTIAN BROADBAND TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, in order to ensure that the EML laser works at a constant temperature, the power consumption of the TEC is very large

Method used

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  • Method and device for controlling operating temperature of optical assembly, optical assembly and optical network system
  • Method and device for controlling operating temperature of optical assembly, optical assembly and optical network system
  • Method and device for controlling operating temperature of optical assembly, optical assembly and optical network system

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Embodiment Construction

[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0038] It should be understood that the technical solutions of the embodiments of the present invention can be applied to various optical networks, especially passive optical networks, for example: Gigabit-capable Passive Optical Networks (Gigabit-capablePassiveOpticalNetworks, referred to as "GPON") system, EPON system, XGPON system etc. In addition, for the convenience of description, the 10GPON system will be used as an example for description below, bu...

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Abstract

Disclosed are a method and device for controlling the operating temperature of an optical assembly, an optical assembly and an optical network system. The method comprises: acquiring an external ambient temperature of an optical assembly; setting a target control temperature of a temperature controller according to the external ambient temperature, the target control temperature being a function value of the external ambient temperature, and the target control temperature being within a range from a lower limit of the operating temperature of a laser to an upper limit of the operating temperature of the laser; and according to the target control temperature, controlling the operating temperature of the optical assembly by means of heating or refrigeration by the temperature controller. By means of the method and device for controlling the operating temperature of an optical assembly, the optical assembly and the optical network system, the target control temperature of the temperature controller can be adjusted in real time by acquiring the external ambient temperature of the optical assembly and setting the target control temperature of the temperature controller according to the external ambient temperature, thereby reducing a control current of the temperature controller, and thus the power consumption of the temperature controller can be reduced.

Description

technical field [0001] The invention relates to the field of optical networks, in particular to a method, a device, an optical component and an optical network system for controlling the working temperature of optical components in the field of optical networks. Background technique [0002] 10G passive optical network (Passive Optical Network, referred to as "PON") includes 10G Ethernet passive optical network (10Gbit / SEthernet Passive Optical Network, referred to as "10GEPON") and 10G bit passive optical network (10-Gigabit-capablePassiveOpticalNetwork, referred to as " XGPON"). The standard organization defines that an optical line terminal (Optical Line Terminal, “OLT” for short) of the 10G passive optical network adopts an optical signal with a wavelength of 1577 nm and a wavelength range of 1575 nm˜1580 nm. In order to meet the above requirements, the laser of the 10G passive optical network needs to use an electric absorption modulated laser (ElectricityAbsorbModulat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A99Z99/00
CPCH04B10/572H01S5/0612H01S5/02415H01S5/06804H04J14/0221H04Q11/0067H04Q2011/0039
Inventor 丁平凌魏李三中
Owner ZHONGTIAN BROADBAND TECH
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