Hi Prarthana Kashyap,
As you have concerned about Fiber wireless communication, we have some links to share which may benefits you:
http://www.zeitgeistlab.ca/doc/Fiber-Wireless-Broadband-Access-Networks.html
http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5353665&tag=1
http://phys.org/news/2010-03-fiber-wireless-fi-wi-ultra-high-speed-short-range.html
http://www.hindawi.com/journals/ao/2014/945364/