Quantum communications go skinny and light

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A group of UTS researchers has done a vital breakthrough that could pave a approach for a subsequent era of quantum communications.

Two dimensional nano-flakes evacuate red photons for quantum communication technologies. Image granted by a investigate team

Two dimensional nano-flakes evacuate red photons for quantum communication technologies. Image granted by a investigate team

The team, from a Materials and Technology for Energy Efficiency Research Strength during UTS Science, has found a element that emits a singular beat of a quantum light on direct during room temperature, stealing one of a barriers to intensely quick and secure information processing.

Until now, room-temperature quantum emitters have usually been celebrated in three-dimensional materials such as diamonds that impede formation of these components in chips and blurb devices. The universe is therefore in a competition to find quantum light sources in atomically skinny materials such as graphene – a famous singular covering of CO atoms.

“This element – layered hexagonal boron nitride (boron and nitrogen atoms that are organised in a honeycomb structure) – is rather unique,” Associate Professor Mike Ford said. “It is atomically skinny and is traditionally used as a lubricant; however on clever estimate it can evacuate quantised pulses of light – singular photons that can lift information.

“That’s critical since one of a vast goals is to make visual mechanism chips that can work formed on light rather than electrons, therefore handling most faster with reduction feverishness generation.”

The singular photon sources were detected by Trong Toan Tran, Kerem Bray, Mike Ford, Milos Toth and Igor Aharonovich from UTS Science, whose commentary have been published in a prestigious biography Nature Nanotechnology.

Associate Professor Igor Aharonovich pronounced a singular photon sources are brighter than any other others now available, and are earnest enablers for positively secure communications and quantum computation.

“You can emanate really secure communication systems regulating singular photons,” explained Associate Professor Igor Aharonovich. “Each photon can be employed as a qubit (quantum bit, likewise to customary electronic bits), though since one can't eavesdrop on singular photons, a information is secure.”

PhD claimant Trong Toan Tran pronounced a formula denote a rare intensity of hexagonal boron nitride for large-scale nanophotonics and quantum information estimate devices.

“This element is really easy to fabricate,” he said. “It’s a most some-more viable choice since it can be used during room temperature; it’s cheap, tolerable and is accessible in vast quantities.

“Ultimately we wish to build a ‘plug and play’ device that can beget singular photons on demand, that will be used as a initial antecedent source for scalable quantum technologies that will pave a approach to quantum computing with hexagonal boron nitride,” he said.

Source: UTS