optical fiber


Definition of optical fiber

: a single fiber-optic strand

Examples of optical fiber in a Sentence

Recent Examples on the Web Physicists in China have stretched a mysterious quantum connection between particles, called entanglement, to dozens of kilometers using standard optical fibers, smashing the previous record. Adrian Cho, Science | AAAS, "Quantum internet closer as physicists stretch spooky link between atoms," 13 Feb. 2020 The city is an important base for FiberHome and other optical fiber makers as well, that Huawei and networking firms rely on. Fortune, "For tech world’s China manufacturers, the coronavirus ‘nightmare’ may be just beginning," 10 Feb. 2020 Hong Kong has hundreds of internet-service providers, but less than a dozen companies that operate mobile networks or provide actual infrastructure, like the optical fiber that connects homes and business to the internet. Shelly Banjo | Bloomberg, Washington Post, "How Far Hong Kong’s Emergency Law Can Go (Online Too)," 22 Nov. 2019 Creating a compact version of their apparatus using optical fibers and hopefully commercializing the technology for use in semiconductor fabrication and optoelectronic devices that support the telecom industry. Courtney Linder, Popular Mechanics, "Crazy Powerful Optical Ruler Measures All the Way Down to the Nanoscale," 6 Sep. 2019 The Innsbruck team then injected this photon into a 50-kilometer-long section of optical fiber. Anil Ananthaswamy, Scientific American, "The Quantum Internet Is Emerging, One Experiment at a Time," 19 June 2019 The task: to send this photon through an optical fiber while preserving the entanglement. Anil Ananthaswamy, Scientific American, "The Quantum Internet Is Emerging, One Experiment at a Time," 19 June 2019 Researchers can then activate these cells by shining light on them through optical fibers. Quanta Magazine, "Light-Triggered Genes Reveal the Hidden Workings of Memory," 14 Dec. 2017 Each receiver is fed by a single optical fiber, but each fiber carries multiple signals using different wavelength channels. Chris Lee, Ars Technica, "Conservation of energy used to parallelize quantum key distribution," 17 Dec. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'optical fiber.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of optical fiber

1962, in the meaning defined above

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Time Traveler for optical fiber

Time Traveler

The first known use of optical fiber was in 1962

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Statistics for optical fiber

Last Updated

14 Mar 2020

Cite this Entry

“Optical fiber.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optical%20fiber. Accessed 31 Mar. 2020.

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More Definitions for optical fiber

optical fiber


English Language Learners Definition of optical fiber

technical : a long, thin, glass or plastic thread that carries information in the form of light : a fiber-optic thread

optical fiber


Kids Definition of optical fiber

: a single fiber used in fiber optics

optical fiber


Medical Definition of optical fiber

: a single fiber-optic strand

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