The luminaire, being dubbed the "entangled light-emitting diode", uses a quantum dot that produces "entangled photons" with properties that are inter-related.
Andrew Shields, who directs work at Toshiba Research Europe, commented that while such methods have been done before via laser beams, this device is the first of its kind to use a voltage-powered source.
He said: "The discovery is significant because it will allow electrical addressing of many entangled light emitters on a single chip, opening the path to ultra-powerful semiconductor processors based on quantum computation."
It is thought that as a result of this innovation, manufacturers have been shown a route to produce cheap emitters, using this method.
Toshiba's manufacturing arm made the decision earlier this year to switch its production of household light bulbs from incandescent technology to LEDs.
