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Submitted on: 14 April 1998.
Revised on: 24 May 1998.
Accepted on: 18 July 1998.
___________________IEEE JOURNAL OF QUANTUM ELECTRONICS
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Submitted on: 13 June 2011.
Revised on: 29 August 2011.
Accepted on: 23 October 2011.
___________________IEEE JOURNAL OF QUANTUM ELECTRONICS
Submitted on: 25 October 2003.
Revised on: 15 January 2004.
Accepted on: 06 March 2004.
___________________IEEE JOURNAL OF QUANTUM ELECTRONICS
Submitted on: 08 April 2002.
Revised on: 15 July 2002.
Accepted on: 07 August 2002.
___________________IEEE JOURNAL OF QUANTUM ELECTRONICS
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