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Submitted on: 03 August 2007.
Revised on: 29 August 2007.
Accepted on: 16 September 2007.
___________________JOURNAL OF LIGHTWAVE TECHNOLOGY
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http://reply.papertrans.cn/2/178/17703/17703-34.png
Submitted on: 08 September 2021.
Revised on: 22 October 2021.
Accepted on: 01 December 2021.
___________________JOURNAL OF LIGHTWAVE TECHNOLOGY
http://reply.papertrans.cn/2/178/17703/17703-36.png