In case youâre not already aware, quantum computers are highly powerful machines that process information at a subatomic level. Quantum Computing is a field thatâs advancing on a large scale and will be worth 495.3 Million USD by 2023, as per marketsandmarkets. And just recently Australian scientists at the University of New South Wales (UNSW) achieved a major breakthrough in the field of Quantum Computing. They have developed a super fast quantum computer that can efficiently solve complex problems at a rate thatâs 200 times faster.
The research for the computer is being led by Michelle Simmons and her team who have developed a first and fastest ever two-qubit gate between phosphorus donor electrons in Silicon. This extremely small logic gate managed to complete an entire computer operation in just 0.8 seconds which is 200 times faster than other spin-based two-qubit gates. This two-qubit gate developed by the researchers is a fundamental building block of a scalable, silicon-based quantum computer.âWeâve really shown that it is possible to control the world at the atomic scale â and that the benefits of the approach are transformational, including the remarkable speed at which our system operates,â said Simmons.
To break it down a bit, quantum computing has data units called qubits which can be present in more than one state at a time unlike classic digital computing where the data is encoded into binary digits (bits), each of which is always present in one of the two definite states (0 or 1). These particles also exhibit entanglement where the change in states can affect each other. Qubit for this research are made up of single phosphorus atoms in silicon. This is because the atomic scale circuitry of silicon has the lowest electrical noise of any system yet.
âThis is a massive advance: to be able to control nature at its very smallest level so that we can create interactions between two atoms but also individually talk to each one without disturbing the other is incredible. A lot of people thought this would not be possible,â mentioned Simmons.
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