Method and apparatus for controlling optical power

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	Method and apparatus for controlling optical power
其他题名	Method and apparatus for controlling optical power
	ZHONG, DEGANG; YANG, SULIN; LI, SHENGPING; LI, ZEBIN
	2016-03-02
专利权人	HUAWEI TECHNOLOGIES CO., LTD.
公开日期	2016-03-02
授权国家	欧洲专利局
专利类型	发明申请
摘要	The present application provides a method for controlling optical power, the method includes: monitoring output optical power of an optical source, and judging whether a preset test control signal is received; when the preset test control signal is not received, modulating a data signal to output light of the optical source, and adjusting a bias current of the optical source according to an output optical power monitoring result of the optical source to implement automatic power control; and when the preset test control signal is received, starting a test and superimposing a test signal to the data signal to form a superimposed signal and modulating the superimposed signal to the output light of the optical source, the output optical power monitoring result of the optical source is ignored during the test period to maintain the bias current of the optical source at a preset target value. The present application further provides an apparatus for controlling optical power.
其他摘要	本申请提供一种光功率控制方法，该方法包括：监测光源的输出光功率，判断是否接收到预设的测试控制信号;当没有接收到预设的测试控制信号时，调制数据信号输出光源的光，并根据光源的输出光功率监测结果调整光源的偏置电流，实现自动功率控制;当接收到预设的测试控制信号时，开始测试并将测试信号叠加到数据信号上以形成叠加信号并将叠加信号调制到光源的输出光，光学输出光功率监测结果在测试周期期间忽略源，以将光源的偏置电流维持在预设目标值。本申请还提供了一种用于控制光功率的装置。
主权项	A method for controlling optical power, comprising: monitoring output optical power of an optical source, and judging whether a preset test control signal is received; when the preset test control signal is not received, outputting light of the optical source, and adjusting a bias current of the optical source according to an output optical power monitoring result of the optical source to implement automatic power control, wherein the output light of the optical source does not comprises a test signal, but comprise a data signal; and when the preset test control signal is received, starting a test and outputting light of the optical source, wherein the output light of the optical source comprises a test signal and a data signal, wherein the output optical power monitoring result of the optical source is ignored during the test period to maintain the bias current of the optical source at a preset target value.
申请日期	2011-06-16
专利号	EP2991244A1
专利状态	授权
申请号	EP2015187827
公开（公告）号	EP2991244A1
IPC 分类号	H04B10/071 \| H04B10/564 \| G01M11/00
专利代理人	-
代理机构	PFENNING, MEINIG & PARTNER MBB
文献类型	专利
条目标识符	http://ir.opt.ac.cn/handle/181661/62541
专题	半导体激光器专利数据库
作者单位	HUAWEI TECHNOLOGIES CO., LTD.
推荐引用方式 GB/T 7714	ZHONG, DEGANG,YANG, SULIN,LI, SHENGPING,et al. Method and apparatus for controlling optical power. EP2991244A1[P]. 2016-03-02.