noun, plural in form but singular in construction
pho·​ton·​ics | \ fō-ˈtä-niks How to pronounce photonics (audio) \

Definition of photonics

: a branch of physics that deals with the properties and applications of photons especially as a medium for transmitting information

Examples of photonics in a Sentence

Recent Examples on the Web This is where Lithuania’s laser industry comes in: laser plays a crucial role as the light source in silicon photonics. Mary Hui, Quartz, 26 Jan. 2022 These Xbox controllers may even be used to aim and fire the high-energy laser weapons which the Navy is now integrating into the Virginia-class photonics masts. David Hambling, Forbes, 3 Sep. 2021 According to an article written by Moorhead, GlobalFoundries may hold 10% of the global photonics foundry market share. Paul Smith-goodson, Forbes, 10 May 2021 About the size of a Triscuit, Mobileye’s prototype integrates those lasers onto the chip itself through a process called silicon photonics. Brian Barrett, Wired, 11 Jan. 2021

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

First Known Use of photonics

1952, in the meaning defined above

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The first known use of photonics was in 1952

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Cite this Entry

“Photonics.” Dictionary, Merriam-Webster, Accessed 30 Jun. 2022.

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