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A dark fibre or unlit fibre is an unused optical fibre, available for use in fibre-optic communication. Dark fibre may be leased from a network service provider . Dark fibre originally referred to the potential network capacity of telecommunication infrastructure.
Community Investment Ventures (CIV) and VenFin are the principal shareholders in DFA. ABSA Capital, who are a stakeholder in CIV via New GX Capital Holdings, also backs CIV. Shareholders in Dark Fibre Africa have granted the necessary approvals to adequately capitalize the company for the construction of a nationwide Dark Fibre Infrastructure.
Dark Fiber Market Overview. Growing Demand for High-Speed Internet: The demand for high-speed internet is driving substantial growth in the dark fiber market.Dark fiber provides unparalleled speed and capacity, guaranteeing seamless operations and connectivity, which is essential for enterprises and data centers that must manage vast data transfers.
360networks, Inc. was a Canadian-based wholesale telecommunications carrier. The company developed many long-haul fiber optic communications network routes throughout North America, many along railroad rights of way, consisting of both dark fiber and lit fiber.
10G-PON (also known as XG-PON or G.987) is a 2010 computer networking standard for data links, capable of delivering shared Internet access rates up to 10 Gbit/s (gigabits per second) over dark fiber. This is the ITU-T's next-generation standard following on from GPON or gigabit-capable PON.
Zayo owns a fiber network that spans more than 130,000 route miles in North America and Europe. Zayo operates a Tier 1 IP network, with settlement-free peering with all other Tier 1 providers. Zayo's services include dark fiber, wavelengths, SONET, Ethernet, SD-WAN, IP services, colocation, wireless backhaul and small cells. [citation needed]
A cable of optical fibers, possibly concatenated into a dark fiber link, is the simplest form of an optical link. [1] [2] Other forms of optical link can include single-"colour" links over a wavelength-division multiplexing infrastructure, and/or links that use optical amplifiers to compensate for attenuation over long distances. [3]
It became fully operational on October 23, 2003 in BBN's laboratories, and in June 2004 was fielded through dark fiber under the streets of Cambridge and Boston, where it ran continuously for over 3 years. [2] The project also created and fielded the world's first superconducting nanowire single-photon detector.