Submitted on: 15 June 2017.
Revised on: 10 August 2017.
Accepted on: 30 September 2017.
___________________Frontiers of Optoelectronics---HIGHER EDUCATION PRESS
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Submitted on: 21 January 2024.
Revised on: 27 February 2024.
Accepted on: 07 April 2024.
___________________Frontiers of Optoelectronics---HIGHER EDUCATION PRESS
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Submitted on: 28 February 2008.
Revised on: 21 June 2008.
Accepted on: 19 August 2008.
___________________Frontiers of Optoelectronics---HIGHER EDUCATION PRESS
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