Why a UC Riverside scientist got $2M in grant? It has to do with Quantum computers

By: Sharjeel Sohaib

• 

Aug 20, 2021

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News â€¢ Grants â€¢ Other Grants
Quantum Computer

National Science Foundation gave $2M to Lorenzo Mangolini, a UC Riverside materials scientist who aims to make quantum computers operational at room temperature. This is the second grant UC Riverside UC Riverside won a $450k grant from the Southern California Energy Innovation Network last month.

Why it is important?

Well, the current technology requires that these computers run in “cryogenic conditions,” which means that they are operated at very low lab-grade temperatures (-273°C to be precise).

Scientists call it a limiting factor of Quantum computers which makes it impossible for researchers and organizations to use these compute machines outside of high-tech research companies. This is turn means these computers are not produced in bulk. As a result, the society at large cannot benefit from these powerful computers.  

The breakthrough lies in alternative materials and structures

The National Science Foundation has provided $2M grant to Mangolini’s research team and the way the team is using a ‘first principle’ method to solve the problem. UC Riverside’s Holy Ober explains it:

The project will integrate silicon quantum dots with carefully designed organic molecules to optimize optical and electronic coupling between the two components so the computers can operate without need for cryogenic conditions.

Holy Ober, Author at UC Riverside News

Silicon Quantum dots

The inorganic component that Mangolini’s team will use to store and optically access quantum information at room temperature is Silicon quantum dot, a sort of nanoparticle with optical and electronic properties.

“By grafting transmitter organic molecules onto the surface of the silicon particles, we can tune the chemistry and bidirectional energy transfer between the two system components to achieve unprecedented control over their optoelectronic coupling,” 

Lorenzo Mangolini, Project head and associate professor of mechanical engineering @ UC Riverside

The U.S Army researchers also try to solve the Quantum computer temperature problem

The researchers at the U.S Army are also trying to solve this sticky problem. A research paper they recently published in the Science Daily throws light on their approach:

Photonic circuits that incorporate nonlinear optical crystals can make to quantum computers with solid-state systems operate at room temperatures.

For now, the heat is an enemy of Quantum computers, thus the need to keep them operational at lab-grade temperatures. Mangolini’s team comes up with better materials and structures with which to make bits and parts of Quantum computers, the world has to rejoice even a 1°C improvement in the temperature at which these computers need to run.

Author

  • Avatar Of Sharjeel

    Sharjeel joined Startempire Wire as emerging technologies editor. Earlier, he worked at Silicon Canals, a leading English language technology media source for the Benelux and wider Europe. He covered the European technology and startup ecosystem digging into latest funding rounds of startups.

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