Submitted on: 06 July 2014.
Revised on: 17 August 2014.
Accepted on: 20 September 2014.
___________________APL Photonics---AIP PUBLISHING
http://reply.papertrans.cn/1/22/2111/2111-12.png
Submitted on: 26 October 2011.
Revised on: 22 November 2011.
Accepted on: 23 December 2011.
___________________APL Photonics---AIP PUBLISHING
http://reply.papertrans.cn/1/22/2111/2111-14.png
http://reply.papertrans.cn/1/22/2111/2111-15.png
http://reply.papertrans.cn/1/22/2111/2111-16.png
http://reply.papertrans.cn/1/22/2111/2111-17.png
http://reply.papertrans.cn/1/22/2111/2111-18.png
http://reply.papertrans.cn/1/22/2111/2111-19.png
http://reply.papertrans.cn/1/22/2111/2111-20.png