[ foh-ton-iks ]
/ foʊˈtɒn ɪks /

noun (used with a singular verb)

the study and technology of the use of light for the transmission of information.

Origin of photonics

1950–55; see photonic, -ics; perhaps on the model of electronics Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for photonics


/ (fəʊˈtɒnɪks) /


(functioning as singular) the study and design of devices and systems, such as optical fibres, that depend on the transmission, modulation, or amplification of streams of photons
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for photonics


[ fō-tŏnĭks ]

The scientific study or application of electromagnetic energy whose basic unit is the photon, incorporating optics, laser technology, electrical engineering, materials science, and information storage and processing.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.