optical fiber

noun

: a single fiber-optic strand

Examples of optical fiber in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Researchers have demonstrated device-independent quantum key distribution (DI-QKD) over 62 miles (100 kilometers) of optical fiber. Aman Tripathi, Interesting Engineering, 5 Feb. 2026 Meta has pledged to buy Corning’s newest generation of optical fiber, cabling, and connectivity products for extensive AI data center initiatives, including the one-gigawatt Prometheus facility in Ohio and a similarly sized site in Louisiana. Trefis Team, Forbes.com, 28 Jan. 2026 In the 1990s, Weeks was a Corning vice president tapped to run a new optical fiber business to power the burgeoning internet—an innovation that drove Corning’s valuation to nearly $100 billion at the height of the internet bubble in 2000. Sharon Goldman, Fortune, 27 Jan. 2026 Meta will serve as the anchor customer for the optical fiber, cable and connectivity products there. Charlotte Observer, 27 Jan. 2026 See All Example Sentences for optical fiber

Word History

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of optical fiber was in 1962

Browse Nearby Words

Cite this Entry

“Optical fiber.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optical%20fiber. Accessed 10 Feb. 2026.

Kids Definition

optical fiber

noun
: a single fiber-optic strand

Medical Definition

optical fiber

noun
: a single fiber-optic strand
Last Updated: - Updated example sentences
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