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�������պ����ѧѧ�� 2009, Vol. 35 Issue (3) :304-307    DOI:
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��Զ��, �� ͮ, �Թڳ�*
�������պ����ѧ ������ѧ���繤��ѧԺ, ���� 100191
Broadband fiber source mean-wavelength control with optical power feedback
Yang Yuanhong, Shen Tong, Zhao Guancheng*
School of Instrument Science and Opto-electronics Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� To promote the broadband fiber source temperature stability, the mean-wavelength stability of broadband fiber source was analyzed and the dependence between the mean-wavelength and the output optical power was revealed based on the simulation and experiment study on the change of mean-wavelength and output power under different pump optical power. A mean-wavelength control scheme was proposed based on the dependent mathematical model among with mean-wavelength, feedback power and environmental temperature by temperature experiment. The mean-wavelength precision control was realized by taking small part power from fiber source output as feedback signal and adjusting the pump power by changing drive current. A prototype fiber source was made and tested. The result approves this scheme and 0.3×10-6�Q�Q��-1 mean-wavelength stability within -45~70�Q�� was achieved.
Keywords�� broadband fiber source   temperature model   mean-wavelength control     
Received 2008-03-14;
About author: ��Զ��(1969-),��,�����人��,����,yhyang@263.net.cn.
��Զ��, �� ͮ, �Թڳ�.���ڹ���ȡ���Ĺ��˹�Դƽ���������Ƽ���[J]  �������պ����ѧѧ��, 2009,V35(3): 304-307
Yang Yuanhong, Shen Tong, Zhao Guancheng.Broadband fiber source mean-wavelength control with optical power feedback[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2009,V35(3): 304-307
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