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短腔单频DBR光纤激光器中弛豫振荡噪声抑制的研究

Studyon the Relaxation Oscillation Suppression in a Short-Cavity Single-Frequency DBR Fiber Laser

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【Author】 Zhan Biao;Xu Shanhui;Mo Shupei;Li Can;Yang Changsheng;Feng Zhouming;Zhang Weinan;Chen Dongdan;Yang Zhongmin;State Key Laboratory of Luminescent Materials and Devices,Institute of Optical Communication Materials,South China University of Technology;Special Glass Fiber and Device Engineering Technology Research and Development Center of Guangdong Province;

【机构】华南理工大学光通信材料研究所发光材料与器件国家重点实验室；广东省特种光纤材料与器件工程技术研究开发中心；

【摘要】报道了短腔单频分布布拉格反射(DBR)Er3+/Yb3+共掺磷酸盐光纤激光器中弛豫振荡噪声的抑制结果。基于光电反馈法,该噪声抑制电路将激光器1.15MHz处弛豫振荡峰值幅度抑制26dB至-121dB/Hz;抑制后整个频带内相对强度噪声均低于-120dB/Hz。实验结果表明,此噪声抑制回路对单频光纤激光器的其他光学性能无影响。更多还原

【Abstract】 Relaxation oscillation suppression in a short-cavity single-frequency distributed Bragg reflector(DBR)Er3+/Yb3+-codoped fiber laser is demonstrated.A tailored optoelectronic feedback circuit acting on the pump driver is designed to reduce the noise peak at the relaxation oscillation frequency of 1.15 MHz by 26 dB,to a relative intensity noise(RIN)value of-121 dB/Hz and thus the RIN value is below-120 dB/Hz across the whole frequency range.The noise suppression loop is integrated into the laser diode driver module and no laser beam quality degradation is observed.更多还原

【关键词】光纤光学；光纤激光器；单频；短腔分布布拉格反射结构；弛豫振荡； Er3+/Yb3+离子；磷酸盐光纤；
【Key words】 fiber optics； fiber laser； single frequency； short-cavity distributed Bragg reflector configuration； relaxation oscillation； Er3+/Yb3+ions； phosphate fiber；

【基金】国家863计划(2011AA030203);国家自然科学基金(11174085,U0934001,60977060);粤港招标项目(TC10BH07-1);广东省科技计划项目(2009A090100044,2009B091300127,cgzhzd0903,2011B090400055);中央高校基本科研业务费专项资金(2012ZZ0002,2009ZZ0054)

【文献出处】激光与光电子学进展 ,Laser & Optoelectronics Progress , 编辑部邮箱 ,2013年09期

【分类号】TN248.1
【被引频次】19
【下载频次】382

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