Meaning & use

photonic

adjective·Advancedtechnical

Last updated

UK/fəʊˈtɒnɪk/
US/foʊˈtɑnɪk/

Meaning

  1. adjectivebefore a nountechnicalphysics

    Relating to photons, the tiny packets of light energy, or to technology that creates, controls or detects light for carrying information or power.

    Grammar: Usually comes before a noun: photonic chips, not 'the chip is photonic' in most writing.

    Patterns

    • photonic device
    • photonic technology

    Engineers are building photonic chips that move data using light instead of electricity.

    The lab's photonic research could make internet cables far faster.

    A photonic sensor can detect a single particle of light.

Common combinations

photonic chip
The photonic chip processes signals at the speed of light.
photonic crystal
A photonic crystal can block certain colors of light.
photonic computing
Photonic computing promises lower energy use than silicon.
integrated photonic circuit
An integrated photonic circuit fits many components onto a tiny wafer.

Synonyms and how they differ

optical
Optical is the broader word for anything to do with light or sight, while photonic points to photons and light-based devices in particular.
light-based
Light-based is plain everyday wording and works in any context, whereas photonic sounds scientific.
optoelectronic
Optoelectronic describes devices that convert between light and electricity, so it is narrower than photonic.

Opposites

electronic

Word family

photon noun
a particle or packet of light energy
photonics noun
the science and technology of light
photon noun
the basic unit of light
photoelectric adjective
relating to electricity produced by light

Commonly confused: photonic or photogenic?

photonic vs photogenic

Photogenic means looking attractive in photographs. It is not a science word about light particles.

Practice

A company says its new ___ chip uses beams of light rather than electric current to move data.

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