got through it
https://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&uact=8&ved=0ahUKEwixoqCXlcDMAhVYkI4KHftkCcAQFgg-MAI&url=https%3A%2F%2Fwww.osapublishing.org%2Foe%2Fabstract.cfm%3Furi%3Doe-20-2-1769&usg=AFQjCNF8c0E1ZW2_aURY7XWpBe7DcLDAvQ&sig2=eZ6mloczyKQEcyv5QQWFjw
https://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&cad=rja&uact=8&ved=0ahUKEwixoqCXlcDMAhVYkI4KHftkCcAQFghOMAQ&url=http%3A%2F%2Fpeople.eng.unimelb.edu.au%2Faislam%2FFinal_optexp.pdf&usg=AFQjCNG_WVch9EL6hLUecMcnrtg5wbo5XQ&sig2=HZSViFzVuA8JcJIyBK_i0Q
https://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=8&cad=rja&uact=8&ved=0ahUKEwixoqCXlcDMAhVYkI4KHftkCcAQFghhMAc&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpubmed%2F22418378&usg=AFQjCNHYF606nKR4Y3wdWa33WkCbr7r0Qw&sig2=RlQHE6jdiXTeuXAWSfjXJA
https://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=10&cad=rja&uact=8&ved=0ahUKEwixoqCXlcDMAhVYkI4KHftkCcAQFghyMAk&url=http%3A%2F%2Fspie.org%2FPublications%2FJournal%2F10.1117%2F1.OE.55.3.031116&usg=AFQjCNGS8ZxDd6T6TVD0CGussXROzekviA&sig2=ycNbZKijxcnvp_0CN4FE9w
https://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=13&cad=rja&uact=8&ved=0ahUKEwjqx5C_lcDMAhWPco4KHXBUDWo4ChAWCC4wAg&url=http%3A%2F%2Fwww.inatel.br%2Fbiblioteca%2Findex.php%2Fmodelos-de-trabalhos%2Fdoc_download%2F6690-techniques-for-mitigating-power-fading-in-mm-wave-radio-over-fiber-systems&usg=AFQjCNHNV2kKQOdOC7zn01brDLk8JGAz9A&sig2=5sUdnLCvKuPLA3LkPOSTuA&bvm=bv.121099550,d.c2E
https://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=17&cad=rja&uact=8&ved=0ahUKEwjqx5C_lcDMAhWPco4KHXBUDWo4ChAWCEQwBg&url=http%3A%2F%2Farrow.dit.ie%2Fcgi%2Fviewcontent.cgi%3Farticle%3D1011%26context%3Dengdoc&usg=AFQjCNGAEKSmu65fbs0xq5FbYynQNF4Hdg&sig2=G3hKF-IhH-BuNiisK2RoXQ&bvm=bv.121099550,d.c2E