A dark fibre or unlit fibre is an unused optical fibre, available for use in fibre-optic communication.
The term dark fibre was originally used when referring to the potential network capacity of telecommunication infrastructure, but now also refers to the increasingly common practice of leasing fibre optic cables from a network service provider, or, generally, to the fibre installations not owned or controlled by traditional carriers.
Read more about Dark Fibre: For Capacity Expansion, Overcapacity, Market, Emerging Markets, Variations, Rate of Expansion
Famous quotes containing the words dark and/or fibre:
“Love is like the wild rose-briar;
Friendship like the holly-tree.
The holly is dark when the rose-briar blooms,
But which will bloom most constantly?”
—Emily Brontë (1818–1848)
“In the man whose childhood has known caresses and kindness, there is always a fibre of memory that can be touched by gentle issues.”
—George Eliot [Mary Ann (or Marian)