It is difficult to give examples here, but consider the optical illusions in the attached link.

An Optical Link Budget is the overall gains and losses within an optical network. Having this budget would than allow for the cost effective selection of transmitter, receiver (transceiver) at each end of a network.

how to design optical fiber link???????? . which coditions we have to keep in our mind in designing fiber network?????.in designing purpose which types of sours we will use & why???????????????????????

You can find the answer in the link, it is in blog.ourfiber.com, a lot of professional article in this blog.

Unless your Bose speakers have an optical digital input, no. There is no audio outputs or speaker outputs on this TV except for optical.