http://reply.papertrans.cn/3/238/23748/23748-31.png
Submitted on: 07 December 2006.
Revised on: 22 December 2006.
Accepted on: 11 January 2007.
Optoelectronics Letters---TIANJIN UNIV TECHNOLOGY
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Submitted on: 05 October 2002.
Revised on: 21 October 2002.
Accepted on: 16 November 2002.
Optoelectronics Letters
Submitted on: 15 June 2004.
Revised on: 03 July 2004.
Accepted on: 09 July 2004.
Optoelectronics Letters---TIANJIN UNIV TECHNOLOGY
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